Theme Of Betrayal In The Aeneid - 1247 Words

If there is anything to learn from failed relationships, whether it be with a best friend or a significant other, the idea that one of the partners may not have put enough effort into the relationship is ever present, which soon causes the other to feel neglected and drift away. But women continue to pour their heart out to try and make their partner happy; however, in the end, they fall short of their love and end up heartbroken. Book IV of the Aeneid is a prime example of this because Queen Dido promises to love only Aeneas forever. But as he leaves Carthage to fulfill his destiny, Dido, along with many women in the world, have their heart broken despite the effort they put into their relationship. One of the biggest acts of betrayal†¦show more content†¦Aeneas is perfectly fine with this decision and tries to sneak away from Dido, despite her love for him. Soon Dido finds out and she feels betrayed, saying that he can’t leave on behalf of their marriage. Aeneas says that it was a fake wedding only to satisfy the gods and Dido loses her mind, cursing everything of Aeneas. She demands him to leave, and when he dies on his ship, she will be there to haunt his every move. Aeneas soon becomes very aware of Dido’s sudden behavior and, despite his love for her, he leaves with his fleet. Dido becomes infuriated and falls into another state of depression. She curses him one last time, saying, â€Å"I hope and pray that on some grinding reef midway at sea you’ll drink your punishment and call and call on Dido’s name!† (Virgil 4.506-508). Soon, with help from the gods, Aeneas falls overboard and drowns with Dido’s name on his last breath . Dido, content and slightly broken inside after hearing of Aeneas’ death, she assembles all of his things that he did not take with him on his voyage together. Queen Dido lights the things on fire, and proceeds to stab herself, her body falling into the flames. That is the end of Book IV of the Aeneid. But the most important moral of this section was that no matter how many times he betrayed her and destroyed her heart, Dido still loved Aeneas; and women across the world are experiencing the exact same thing.Show MoreRelatedSimilarities Between The Iliad And Medea1950 Words   |  8 Pagesthe modern use of science and logic. In the Iliad, Aeneid and Medea they all had meaningful similarities but there also were differences. The stories told by these philosophers had a lasting effect on how their citizens acted in the past and even to this day. The myths in these stories have broughten to light what their culture found to be significant in life. Whereas Iliad, Medea and Aen eid are different as Iliad is more about fate, while Aeneid leaves fate open to debate, and the myth of MedeaRead MoreDantes Voyage Through Hell1490 Words   |  6 PagesComedy is no doubt Inferno. He wrote Inferno to educate and show the world that life â€Å"is a continuous test or struggle between right and wrong. 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Funding Sources. Having Sources For Special Education Is

Funding Sources Having sources for special education is important to meet the needs of the students. It is important for schools and the districts to know how to find these sources when they are not available to them. Per the National Legislative Conference Special Committee on School Finance (1971), funding alone cannot cure all the troubles of our public education system, but advances cannot be complete until the way educational capitals are elevated and allocation is reformed. There are many people in the schools besides the administrator that can apply for funding to support their classes. If they know where to look and how to go about it, they will receive what is needed. The teacher must ensure they comply with the stipulations that†¦show more content†¦Donors Choose is another grant site that educators can use to provide their students with resources that will help them in the classroom. Unlike the other sites, Donors Choose allows educators to choose the resources ne eded for their classroom. The slogan for the site is â€Å"Teachers all over the U.S. need your help to bring their classroom dreams to life. Choose a project that inspires you and give any amount† (Donors Choose, 2017). Grants 500 dollars or below typically get funded first. Educators must write the grant explaining why each of the items are necessities and how the students will utilize the resources. The educators must provide information on the background of the students such as school demographics. Compared to the other sites Donors Choose allows various donors to provide funding for the grants instead of on sole source of funding. Limitations of Funds Limitations for eSchool News are as followed: limited grant funds provide grant suppliers with challenges. Funding many proposals have reduced because they cannot fund as many grants as previous years. Thus, the applications that are well written and well supported will have preferential funding (Prabhu, 2010). This hinders many schools from getting grants because the budget has depreciated. Educators are not aware as to how they are to write grants so it hinders them from getting the money needed for theirShow MoreRelatedEducational Funding Levels For Public Schools Essay909 Words   |  4 Pagesdetermine K-12 educational funding levels for public schools (Green, 2014). This approach utilizes a fixed method to allocate funds and, as maintained by Green (2014), is intended to provide an objective, efficient, and equitable manner to distribute state education funds to local schools districts. However, as observed with Georgia’s own funding formula, this budgeting approach falls short when full funding is not provided. As a result, funding inequities do occur as local sources of revenue vary acrossRead MoreExamples Of District Grant Procedures1434 Words   |  6 Pagesaccounting approvals. 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The unequal distribution of funds for schools has been a practice thought to be one that suits all schools. To the contrary, this method of fund distribution has raised other pertinent issues that suggest it should be revised. There is also concern over the large student-teacher ratio at these learning institutionsRead MorePros and Cons on Public and Private Schools1187 Words   |  5 PagesEducation is not the filling of a pail, but the lighting of a fire. -William Butler Yeats. We have many choices when it comes to educating our children. It is a matter of personal choice which road you will follow and which choice is the best decision for your child. When you’re weighing the pros and cons of public versus private school some things to consider are class size, academic offering, cultural diversity, aftersch ool activities and cost. The type of school to choose can be equally as

Overview Of Cooling System Engineering Essay Free Essays

string(43) " with an electronic engine control system\." In order to cut downing fuel ingestion and run into the emanation criterions, many betterments has been made. The illustrations of the betterments are combustion schemes, fuel injection system, exhaust emanation and fuel quality [ 1 ] . There are four possible beginnings of atmospheric pollution from the car. We will write a custom essay sample on Overview Of Cooling System Engineering Essay or any similar topic only for you Order Now Without emanation controls, a carburettor and fuel armored combat vehicle emits bluess, the crankcase emits blowby gases and the tailpipe emits exhaust gases that contain pollutants. The chief regulated pollutant in engine fumes are nitrogen oxides ( NOx ) , C monoxide ( CO ) , unburned hydrocarbon ( HC ) and smoke [ 2 ] . These air pollutants are harmful to human existences every bit good as workss and animate beings. The jurisprudence now requires automotive makers to put in emanation controls. Car that gives away inordinate sum of air pollutants may non be allowed on the streets someday. Stronger Torahs restricting automotive air pollution and compulsory review and care has been proposed. These Torahs are portion of the authorities policy that autos must lend every bit small as possible to the job of air pollution. Each auto already have three major systems for commanding pollutants from these beginnings that is positive crankcase airing ( PVC ) , evaporative emanation control and exhaust emanation control. But in this survey we want to concentrate more on engine chilling system and its effects to the emanation decrease, fuel ingestion and engine public presentation. Now, we will through about the constituents of engine chilling system and its maps. Engine chilling system is a system that responsible for chilling the engine by let go ofing heat through the chilling fives so that the auto A ; acirc ; ˆâ„ ¢s engine is non excessively hot or non excessively cold. This system helps to convey the engine up at to normal runing temperatures every bit rapidly as possible and maintain the operating temperature for efficient map of the auto engine. It is really of import to maintain the engine at its most operating temperature at all velocities and runing conditions. Burning fuel in the engine produces heat. Some of the heat must be taken away before it amendss the engine parts. This is one of the occupations that performed by the chilling system. If the engine temperature is excessively low, fuel ingestion will lift and if the temperature is excessively hot for excessively long, the engine will overheat. 1.2 TYPES OF COOLING SYSTEM There are two types of auto chilling system which is the air chilling system and liquid chilling system. Air chilling system is a system that uses air as a chilling agent. It is normally used in individual cylinder engines such as bikes while liquid chilling system is known as the radiator system. It a system that uses liquid as a chilling agent and is used in a multi-cylinder engine such as autos and trucks. Radiator is the important constituents in the auto chilling system. It ensures the engine is non overheating. Figure 1.1: Cooling System Components [ 12 ] 1.3 COMPONENTS OF COOLING SYSTEM 1.3.1 WATER JACKET For operation of the chilling systems, it uses five basic parts or constituents to make the occupation in commanding the engine temperature that is H2O jackets, H2O pump, thermoregulator, radiator and fan. Water jackets are unfastened infinites between the cylinder walls and the outside shell of the block and caput. Coolant from the H2O pump flows foremost through the block H2O jackets. Then, the coolant flows up through the cylinder caput H2O jackets and back to the radiator. 1.3.2 WATER PUMP Water pump normally known as impeller pumps. It is attached to the forepart of the engine and are driven by a belt from crankshaft block. The pump circulates every bit much as 28 390 L of coolant an hr. As the impeller rotates, the curving blades draw coolant from the underside of the radiator. It forces the coolant from the pump mercantile establishment to the H2O jackets. The impeller shaft is supported on certain bearings which ne’er need lubrication. The seals prevent the coolant from leaking past the bearings. 1.3.3 Radiator Radiator is a heat money changer that removes heat from engine coolant that go throughing through it. The heat transportation from the hot coolant to the ice chest outside air. It has three chief parts that is radiator nucleus, recess and mercantile establishment armored combat vehicles. The nucleus consists of set of tubings and set of fives that attached to the tubings. Figure 1.2: Coolant Flow Inside Engine Cooling System [ 12 ] C: UsersFaisal Mamat.FaisalMamat-PCDesktopCapture.PNG 1.3.4 Thermostat For thermoregulator, it is a heat operated valve that regulates the coolant temperatures. It does this by commanding the coolant flow from the engine to the radiator. The thermoregulator is in the coolant transition between the cylinder caput and the radiator. The valve in thermostat stay unfastened and close as coolant temperature alterations. Equally long as the coolant temperature is below the thermoregulator set point, the thermoregulator remains closed. Once the temperature arrives at the set point, the thermoregulator starts to open, directing heated coolant through the radiator. The radiator so cools the het engine coolant and the H2O pump forces the coolant back through the engine. The transition to the radiator is closed when the engine is cold so the engine can warms up more rapidly. Engine heat corsets in the engine alternatively of being carried to the radiator. Figure 1.3: Closed Position of Thermostat [ 12 ] Figure 1.4: Open Position of Thermostat [ 12 ] 1.3.5 ELECTRIC FAN An electric fan is turned on by thermostatic switch merely when needed. For illustration, it turns on when the coolant temperature reach 93 A ; Acirc ; A ; deg ; C and turn off back the fan if the coolant drops below this temperature. But on vehicles with air conditioning, turning on the air conditioner bypass the thermostatic switch. The fans run all the clip when air conditioner is on. The fan is controlled by electronic control faculty ( ECM ) in many vehicles with an electronic engine control system. You read "Overview Of Cooling System Engineering Essay" in category "Essay examples" 1.4 PROPERTIES OF COOLANT 1.4.1 TAP WATER Tap H2O is drinkable H2O supplied to a pat inside the family or workplace. The application of engineerings involved in supplying clean H2O to places, concerns and public edifices is a major subfield of healthful technology. Specific chemical compounds are frequently added to tap H2O during the intervention procedure to set the pH or take contaminations, every bit good as Cl to kill biological toxins. The usage of tap H2O adversely affect the auto chilling system. Tap H2O contains Mg and Ca ions that will organize the xanthous precipitate ( rust ) when the H2O becomes hot. The xanthous precipitate will be attached to the auto engine after long clip period and this will cut down the soaking up of heat from the engine. If this rust become denser, it can interfere the transition of chilling liquid in the auto chilling system. 1.4.2 ETHYLENE GLYCOL ( EG ) Ethylene ethanediol is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure signifier, it is an odorless, colorless, syrupy, sweet-tasting liquid. Ethylene ethanediol is toxic, and consumption can ensue in decease. Ethylene ethanediol is produced from ethene via the intermediate ethene oxide. The major usage of ethene ethanediol is as a medium for convective heat transportation. For illustration, cars and liquid cooled computing machines. Pure ethene ethanediol has a specific heat capacity about one half that of H2O. So, while supplying freezing protection and an increased boiling point, ethylene ethanediol lowers the specific heat capacity of H2O mixtures relative to pure H2O. A 50/50 mix by mass has a specific heat capacity of about 0.75 BTU/lb F, therefore necessitating increased flow rates in same system comparings with H2O. 1.5 Fuel Gasoline is a transparent, crude oil derived liquid that is used chiefly as a fuel in internal burning engines. It consists largely of organic compounds obtained by the fractional distillment of crude oil, enhanced with a assortment of additives. Some gasolene besides contain ethanol as an alternate fuel. A good gasolene quality should hold: Proper volatility, which determines how easy the gasolene vaporizes. Resistance to trip knock or explosion. Oxidation inhibitors, which prevent formation of gum in the fuel system. Antirust agents, which prevent rusting of metal parts in the fuel system. Detergents, which maintain aid maintain the carburettor or fuel injectors clean. Dye for designation, such as ruddy oculus which gives leaded gasolene a rust or orange coloring material. 1.5.1 VOLATILITY Volatility is the easiness with which a gasolene vaporizes. Gasoline must zap rapidly after it is assorted with air in the throttle organic structure or intake manifold. Otherwise, beads of liquid gasolene enter the cylinder walls. This increases wear of the cylinder walls, Pistons and rings. Gasoline that does non zap will non fire. It leaves the cylinder in the fumes gas and pollutes the air. This wastes gasolene and reduces fuel economic system. Volatility determines how rapidly a gasolene can zap. A high volatility gasolene can zap rapidly while a low volatility gasolene vaporizes easy. Gasoline must hold the right volatility for the clime in which it is used. 1.5.2 ANTIKNOCK QUALITY Antiknock is known as octane evaluation. It measure the gasolene ability to defy knock during burning. The higher the octane evaluation, the greater the engine ‘s opposition to strike hard. The knocking in your engine occurs when the air fuel mixture detonates prematurely. Since it is the gasolene vapour that ignites, the air fuel mixture must be right to fire swimmingly. Some of the jobs associated with knock are overheating of engine parts such as valves, Pistons and flicker stoppers. 1.6 Emission Then we will travel for the account about the burning in the engine and how it ensuing emanation. Automotive fuels such as gasolene are made largely of two elements that H and C. They have chemical symbols H and C. This type of fuel is hydrocarbon ( HC ) . During complete burning in the engine, these two elements unite with other component, the gas O. Oxygen, normally in the signifier of free O ( O2 ) , makes up approximately 20 per centum of the Earth atmosphere. This is the air that we breathe. During burning procedure, each atom of O will unify with two H atoms. Each C atom unites with two O atoms. Oxygen unifying with H green goodss H2O ( H2O ) . Carbon unifying with O green goodss gas C dioxide ( CO2 ) . During burning, the combustion of air fuel mixture in the engine cylinder may make 2200oC or higher. This high temperature produces force per unit area in the engine that makes it run and produces power. With perfect burning, all the H and C in gasolene would unify with the O. The fumes would incorporate merely harmless H2O and CO2. But burning is non perfect in the engine. Some of the gasolene ( HC ) does non fire. Besides, some of it merely partially burns. This produces C monoxide ( CO ) . This deficiency of O prevents the formation of C dioxide. The unburned gasolene and partially burned gasolene ( CO ) issue from the engine through the tailpipe. Once in the air, it will do atmospheric pollution. Another group of atmospheric pollutants the engine is nitrogen oxide ( NOx ) . About 80 per centum of the ambiance is gas N ( N ) . High temperatures in the burning chamber do some of the N and O to unify and organize N oxide ( NOx ) . 1.7 PROBLEM STATEMENT Nowadays the rate of fuel ingestion presently traveling on throughout the universe is rather dismaying. Fuel ingestion and emanation rates are off the chart. This will give negative impact to the environment and increase the pollution rate. Basically the power to travel a motor vehicle comes from the combustion of air fuel mixture in an engine. Air pollutants from vehicles comes from the merchandises of this burning procedure. With perfect burning procedure, the emanation would be H2O ( H2O ) and C dioxide ( CO2 ) . Both of these are harmless gases. But burning is non perfect in an engine. Some of the gasolene ( HC ) does non fire and some of it merely partially burns. This produces C monoxide ( CO ) and nitrogen oxide ( NOx ) . Both of these gases are air pollutants and take a breathing contaminated air is really bad for human and animate beings. Then the demand for low cost auto from client that has good public presentation with low fuel ingestion and emanation besides addition. No rmally auto that has good public presentation will hold high fuel ingestion and emanation rate. In order to work out these jobs, the survey about engine chilling system and its effects towards engine public presentation, fuel ingestion and emanation decrease will be conducted. Two types of liquid chilling such as tap H2O and ethene ethanediol will be used and its temperature will be checked in order to look into the influenced to these 3 end products. 1.8 OBJECTIVES OF THE RESEARCH To analyze the consequence of engine chilling system and its constituents to the engine public presentation, fuel ingestion and emanation. To look into the influence of per centum of ethene ethanediol in the coolant and coolant temperature set point to the engine public presentation, fuel use and emanation rate. 1.9 SCOPE OF THE RESEARCH The range of this researched is chiefly about the fluctuations per centum of coolant ( ethylene ethanediol ) mixed with H2O and its temperature effects towards engine public presentation, fuel ingestion and emanation. The per centum that will be used for ethylene ethanediols are 30 % , 50 % and 70 % . For every per centum, the coolant temperature set point will be controlled utilizing two sort of thermoregulator with temperature set point 80oC and 100oC. The increasing temperature in cylinder block by increasing the coolant temperature consequences in fuel nest eggs and emanation decrease. Boiling Point Ethylene Glycol solution ( % by volume ) 0 10 20 30 40 50 60 70 80 90 100 Temperature F 212 214 216 220 220 225 232 245 260 288 386 C 100 101.1 102.2 104.4 104.4 107.2 111.1 118 127 142 197 Table 1.1: Boiling Point of Ethylene Glycol Solutions [ 13 ] Car theoretical account that will be used is Perodua Kancil 660cc ( 4 shot and 3 cylinder ) . Then for the fuel, gasoline RON 95 will be used. Three trial will be conducted in investigate the engine public presentation, fuel ingestion and emanation rate. The trial for engine public presentation is dynamometer trial. A ergometer is a device that is used for mensurating force, minute of force ( torsion ) , and power. For illustration, the power produced by an engine, motor or other revolving premier mover can be calculated by at the same time mensurating torsion and rotational velocity ( RPM ) . For the fuel ingestion, we will carry on a fuel trial by utilizing a new armored combat vehicle provided by automotive lab. Unit of measurement to mensurate the fuel trial is in liter/km. To mensurating the emanation rate, gas analyser is used and the measuring unit is in concentration of gas which is parts per million ( ppm ) . 1.10 SIGNIFICANT OF THE RESEARCH This survey will give better apprehension and exposure about the operation in the engine chilling system and how it will effects the engine public presentation, fuel ingestion and emanation. Reducing the fuel disbursals by auto users as the rate of fuel ingestion reduced. The expected end product to cut downing the emanation will ensue in increased the air quality that is harmful to worlds. It besides will take in cut downing the air pollution rate and supply more safer environment for people. The low cost auto with good public presentation and low on fuel and emanation rate besides will be develop. 2.0 LITERATURE REVIEW 2.1 Cooling SYSTEM OPERATION A immense sum of heat is generated in the internal burning engines. It is created when the air fuel mixture is ignited inside the burning chamber. The detonation that occur will do the Piston to be forced down indoors the cylinder, prying the connecting rods and turning the crankshaft. The temperatures of the metal parts around the cylinder can transcend 2500oC. To forestall the constituents such as engine oil, cylinder walls, Pistons, and valves from overheating, it is necessary to efficaciously dispose the heat. Approximately 30 % of heat in the burning procedure is lost into the ambiance through the fumes system, 35 % is converted into power to drive the vehicle and the staying 35 % lost as heat through the cylinder walls [ 9 ] . Water pump is attached at the forepart of the engine and driven by a belt from crankshaft block. The impeller rotates and the curving blades draw liquid chilling from the underside of the radiator and force it to flux through pump mercantile establishments and H2O jackets. The liquid chilling will flux through passageways in the engine block and cylinder caput. Temperature in the burning chamber can around 2500oC, so chilling around this country is critical to forestall overheat. The countries around exhaust valve are particularly important and about all infinite inside the cylinder caput around the valve that is non needed for construction filled with coolant. But when the engine is still cold, thermostat still near and the liquid chilling is circulated back to the engine. By shuting the transition through radiator when engine is cold, the engine warms up more rapidly. Engine heat corsets in the engine alternatively of being carried to the radiator. This shortens warms up clip, wastes less fuel and reduces exhaust emanations [ 3 ] . After engine already heat up, the thermoregulator keeps the engine running at a higher temperature than it would without a thermoregulator. The higher operating temperature improves engines efficiency and reduces exhaust emanations [ 3 ] . 2.1.1 EFFECT OF RADIATOR A radiator normally known as heat money changer. The hot coolant that flows through it will reassign the heat by the air blown through the aluminum fives by fan. Nowadays modern autos use aluminium radiators. It normally made by brazing thin aluminum fives to flattened aluminum tubings. Flow of the coolant is from recess to the mercantile establishment through many tubings that mounted in parallel agreement. These fives will carry on the heat from the coolant inside the tubings and reassign it through the air that fluxing through the radiator. [ 1 ] A type of five is inserted into the tubing called turbulator. Its map is to increases the turbulency of the fluid fluxing through the tubings. If the flowing of the fluid through the tubing is smooth, merely the fluid that touching the tubings would be cool straight. The sum of heat transferred from the fluid to the tubes depends on the difference in the temperature between the tubing and the fluid touching it. Therefore, less heat will be transferred if the fluid that is in contact with the tubing cools down rapidly. To forestall that, turbulency is created inside the tubing and all of fluid mixes together. Keeping the temperature of the fluid touching the tubing up so that more heat can be extracted and all of the fluid inside the tubing is used efficaciously. 2.1.2 EFFECT OF RADIATOR FAN The map of radiator fan is to pull the air towards the radiator and helps to chill the hot coolant that fluxing through the tubings. It normally has four or more blades that spin quickly to supply sufficient air to that would chill the engine. The fan will be mounted between the radiator and the engine so that the air can easy fluxing through the radiator. There are besides extra fan in forepart of the radiator in some autos in order to pull more cool air to the engine particularly when vehicle is non traveling fast plenty, really small cool air reaches the radiator and the engine is non cooled decently. 2.1.3 EFFECT OF PRESSURE CAP The radiator cap or besides known as force per unit area cap really increases the boiling point of your coolant by about 25oC. The cap is a force per unit area release valve and normally is set to 15 pounds per square inchs. When the coolant is placed under force per unit area, its boiling point will increase. As the engine running, the chilling system will be heated up and increase the force per unit area. The lone topographic point where the force per unit area can get away is at the force per unit area cap. Therefore, the scene of the spring on the cap determines the maximal force per unit area in the chilling system. If the force per unit area reaches 15 pounds per square inch, it will force the valve unfastened and leting the coolant to get away from the chilling system. The flowing of the coolant is from overflow tubing to into the underside of the overflow armored combat vehicle. This sort of agreement will maintain air out of the system. After the radiator is already cools back down, a vacuity is created in the chilling system that pulls unfastened another spring loaded valve while sucking the H2O back in from the underside of the overflow armored combat vehicle to replace the H2O that was expelled. 2.1.4 EFFECT OF WATER PUMP Water pumps are impeller pumps. They attached to the forepart of the engine and driven by a belt from the crankshaft block. As the impeller rotates, the curving blades draw coolant from the underside of the radiator [ 3 ] . The H2O pump merely thrust to drive the round flow of the coolant within the engine chilling system, so the recess is the point of lowest force per unit area in the system and the issue point is the highest force per unit area. The force per unit area drops aggressively at the inlet/outlet of the H2O pump during the operational of the H2O engines and this force per unit area bead will change in proportion to the rotational velocity. Water pumps in engines are prone to cavitation and air bubbles are likely to pervade in to antifreeze and will badly cut downing the public presentation, dependability and service life of the engines [ 6 ] . Cavitation means the pits or bubbles are organizing in the liquid that have been are pumping. These pits form at the low force pe r unit area or suction side of the pump. For the well design engine chilling system, cavitation is less likely to take occur as the temperature of the coolant diminutions. But when the cavitation temperature is reached, the force per unit area of the H2O pumps drops suddenly and all the chilling system loses its functionality. 2.1.5 EFFECT OF THERMOSTAT The chief map of the thermoregulator is to let the engine to heat up rapidly and maintain it at its efficient temperature. It control this by modulating the sum of H2O that goes through the radiator. The coolant in the chilling system starts to originate by picking up heat at the H2O jackets. In the coolant circuit, the force per unit area gradient exist and doing the hot coolant flows out from the engine to the radiator or to coolant beltway transition [ 2 ] . Once the temperatures of the coolant rises to 80oC, the thermoregulator starts to open. Different thermostat unfastened at different temperatures and leting fluid to flux through the radiator. The secret of the thermoregulator lies in the little cylinder located on the engine side of the device. Actually this cylinder is filled with wax that starts to run at temperatures 80oC ( depends on the thermoregulator ) . Then, a rod that is connected to the valve imperativeness into this wax. As the wax thaws. It will spread out and fo rcing the rod out of the cylinder and opening the valve. 2.2 EFFECT OF COOLANT Coolant is the mixture of antifreeze and H2O in the chilling system. The normally used antifreeze is Ethylene Glycol. This coolant will go around through the chilling system. It will take the waste heat from the engine and delivers the heat through the radiator hosiery to the radiator. It is non recommended to utilize merely H2O as a liquid chilling because it would stop dead if the temperature bead below 0oC. This would halt the circulation and the engine would overheat. As the H2O would spread out 9 % as it freezes, it would check the cylinder block and caput, split the radiator [ 3 ] . By commanding the engine chilling system in a flexible manner as comparison to the conventional chilling system, it will better the fuel ingestion rate of flicker ignition ( SI ) engines [ 11 ] . It is known from the cold start research that the coolant and inlet charge temperature are cardinal parametric quantities to cut down pollutant emanations and warrant smooth engine operation. Cold start experiment were performed with coolant temperatures of 15oC and 80oC. In the steady province operation reached after the start, the Piston surface temperature was severally 110oC and 150oC. The HC emanations were 25 % lower and the NOx emanations 7 % higher with the higher coolant temperature. It seems to bespeak that there is an influence of the coolant temperature on the emanations through the cylinder wall temperatures [ 5 ] . In the hunt for greater fuel economic system and decreased emanation end product, the engine chilling system is being targeted for farther betterments to engine public presentation through its effects on engine frictional losingss. Fuel economic system betterments from the alterations to the engine chilling system are derived chiefly from reduced engine frictional losingss with increased oil temperature by raising the engine operating temperature indirectly through the measure addition in the coolant temperature. Hydrocarbon ( HC ) and C monoxide ( CO ) end product are besides shown to diminish with the addition in operating temperature [ 7 ] . There are besides suggestion that higher cylinder block temperatures will cut down the frictional losingss with the Piston and pealing battalion and will take to cut downing fuel ingestion [ 10 ] . But the increasing of operating temperature has a negative consequence on N oxide ( NOx ) end product as the formation of NOx in the burning chamber can be extremely sensitive to temperature alterations [ 7 ] . There are some old plants in the engine chilling country focal points on to the fuel economic system benefit to IC engines through the decrease engine frictional losingss by raising the coolant temperature. As the coolant temperature additions, the cylinder block wall temperaturs besides increases and will ensue in cut downing the HC emanations [ 11 ] . It concentrates chiefly on gasolene engines where oil temperature is comparatively lower and the tailpipe emanations are HC and CO. Fuel efficiency betterments about 10 % are achieved in portion burden conditions by raising coolant temperature [ 7 ] . Methodology 3.1 Introduction In this chapter, we will discourse about the processs and full activities to transport out in this whole undertaking. The flow chart below will depict the stairss that should be followed during this undertaking. Basically there are 3 trial that will be conducted that is dynamometer trial, fuel trial and emanation trial. 3.2 FLOW CHART Part Choice Choose the type of liquid chilling and thermoregulator that will be used. Preparation and Setup Choose the type of liquid chilling and thermoregulator that will be used. Run the experiment The experiment will be conducted to the conventional and modified chilling system. Emission Trial Fuel Trial Dynamometer Test Datas Analysis TYPES OF METHODS 3.3.1 DYNAMOMETER Trial Dynamometer is really a device usage to mensurating force, minute of force ( torsion ) and power produced by an engine or motor. We can see the illustration from the power produced by an engine, motor or other revolving premier mover can be calculated by at the same time mensurating torsion and rotational velocity ( RPM ) . Nowadays dyno trial become more easy to run with the progress of the modern computing machine and bring forth more accurate consequences. A dyno that paired with the computing machine will expose the power evaluation of a given machine as a figure below. Degree centigrades: UsersFaisal Mamat.FaisalMamat-PCDesktopdynamometer-test-2.1-800Ãâ€"800.jpg Figure 3.1: Example Graph of Dynamometer Test Actually dyno trial is used for assorted applications but the most common one is automobile proving. Automobile makers will mensurate the public presentation of a auto or truck in order to market its power. Sports auto will modified their vehicles with aftermarket parts in order to accomplish higher power end product and so run the dyno trial to measure their alterations. Dyno trials can be run in a twosome of different ways which is human body and engine dyno. When running a human body dyno trial, the vehicle to be tested is driven onto the dyno platform that simulates opposition through the usage of machine-controlled wheels. For an engine dyno trial, the engine to be tested is mounted to the dyno device. These different methods produce different measurings such as brake Equus caballus power and torsion from a human body dyno and flywheel Equus caballus power and torsion from an engine dyno. Power is frequently lost through the thrust train of a vehicle so the brake measuring will typically less than the flywheel measuring. The theoretical account that will be used for ergometer testing is Dynapack 3000. The constituents of Dynapack 3000 consists of computing machine, detectors hub adapters accountant and power soaking up units. This trial is a spot from other dyno trial because of the riddance of the tyre to roller interface on a conventional roller dyno. It eliminates this variable by utilizing a hub adapter that provides a direct yoke to our power soaking up units. There will be no tyre faux pas, no turn overing opposition and no opportunity of the vehicle coming off from the dyno at high velocities. For the theory of operation. First the hubs of the vehicle are straight attached to hydraulic pumps. A variable burden can be applied with all of the possible keeping power that hydraulic possess. Figure below show that the wheels are removed from the vehicle and the variable fit hub adapters are bolted to the vehicle axle. The hub adapter is so straight attached to a hydraulic soaking up unit. Degree centigrades: UsersFaisal Mamat.FaisalMamat-PCDesktopdyno and gas analyser2t1nkVS-bVa9gQb37zp6LeNyhqyOJc4TfM-fDuqeDVw.jpgC: UsersFaisal Mamat.FaisalMamat-PCDesktopdyno and gas analyservIQiOZd6MQEKChUSE_EjDet0c_3AZX3Ykc63jQJyo1g.jpg Figure 3.2: Hub adapter bolted to vehicle Figure 3.3: Proctor of Dynapack 3000 3.3.2 FUEL Trial For the fuel trial, a new fuel armored combat vehicle is used to replace with the bing armored combat vehicle. The job with the bing armored combat vehicle is the fuel ingestion can non be measured right. The new fuel armored combat vehicle will be connected utilizing the hosiery from the fuel pump to the series of injectors at cylinder caput. Gasoline or RON 95 will used in this fuel trial. The illustration for the new fuel armored combat vehicle is shown in figure below and the fuel pump is already attached on top of it. Degree centigrades: UsersFaisal Mamat.FaisalMamat-PCDesktopdyno and gas analyser8EYHfSB7JGJ_i1gO_0dpJCrDuHDVK9bGh1xnPJzzuSQ.jpg Figure 3.4: The new fuel armored combat vehicle The trial will be conducted harmonizing to the cogwheels and revolution per proceedingss ( RPM ) that already been set. It is done to command the velocity of the engine to acquire the accurate consequence of the fuel ingestion without affected by the changing of cogwheel on each trial. The RPM and cogwheels can be referred in the tabular array below. Gear Revolutions per minute Distance ( kilometer ) 1 3000 2 3000 3 3000 4 4000 Table 3.1: Revolutions per minute for each of the cogwheel 3.3.3 EMISSION Trial Hydrocarbon ( HC ) , C monoxide ( CO ) and nitrogen oxide ( NOx ) are measured in parts per million ( ppm ) . For this emanation trial, the device that will be used is the gas analyser 95/3. The gun of this device will be placed into the tailpipe to mensurate the fumes rate. The information will be taken during the assorted RPM that already been set up which is 2000 revolutions per minute, 3000 revolutions per minute and 4000 revolutions per minute. The consequence of this trial will be recorded in this device. Degree centigrades: UsersFaisal Mamat.FaisalMamat-PCDesktopdyno and gas analyservKBx3J-b1dLfHTA3MeaWYgo8LcKrPxDuaprQ5PBq-VY.jpg Figure 3.5: Gas Analyzer 95/3 Undertaking SCHEDULE 3.4.1 GANTT CHART Table 3.1: Gantt Chart for Final Year Undertaking Research Planning Research Advancement How to cite Overview Of Cooling System Engineering Essay, Essay examples

Doping in cycling free essay sample

People indulge in cycling for both recreational and professional reasons. Amateurs participate in cycling to display their skill and to experience the satisfaction that comes from competing against their peers, professionals cycle to satisfy their desire for recognition, fame and a hefty pay check that comes with endorsements from major brands. This desire to win at all cost has brought with it many problems which include doping to gain a competitive edge over opponents. Furthermore some of these practices are addictive, harmful and even life threatening.. This review paper eeks to explain the use and health implications of doping in cycling. INTRODUCTION He did it. He finally admitted it. Lance Armstrong doped. He was light on the details and didnt name names. He mused that he might not have been caught if not for his comeback in 2009. And he was certain his fate was sealed when long-time friend, training partner and trusted lieutenant George Hincapie, who was along for the ride on all seven of Armstrongs Tour de France wins from 1999-2005, was forced to give him up to anti-doping authorities. But right from the start and more than two dozen imes during the first of a two-part interview Thursday night with Oprah Winfrey on her OWN network, the disgraced former cycling champion acknowledged what he had lied about repeatedly for years, and what had been one of the worst-kept secrets for the better part of a week: He was the ringleader of an elaborate doping scheme on a U. S. Postal Service team that swept him to the top of the podium at the Tour de France time after time 1 This is an excerpt from ESPN. om news services of the confession made by seven time Tour de France winner Lance Armstrong to Oprah Winfrey where he admitted to doping during all seven of his triumphs. Professional cycling, one of the most popular sports in the world and rich in history, has been plagued in recent years by suspicions of performance-enhancing drug use by many riders, positive drug tests, and even the dethroning of recent Tour de France winners are part of the doping scandals that has engulf ed modern cycling. Doping may be defined as administering drugs to (a racehorse, greyhound, or athlete) in order to inhibit or enhance sporting performance. It has become a common practice among elite sportsmen and is destroying the innocence of various sporting disciplines. One f the most affected is cycling, in this report the following will be discussed: History of doping Reasons for doping Methods of doping in cycling Methods used to evade detection Health implications of the various forms of doping Ways of preventing doping in sports MATERIALS AND METHODS The computer was used in the research ot intormation tor this review paper. Google was used as the search engine. The method was mainly by literature review. The following keywords were used: Definition of doping History of doping in cycling Ways athletes use to avoid getting caught Doping in cycling Ђ Health implications of doping Why people take performance enhancing drugs How to prevent doping in sports About 2000 hits were obtained from the keywords typed and the information chosen was from websites of public and private educational institutions and organization. Ten of these hits were used in the review paper. eventing doping BODY HISTORY OF DOPING IN CYCLING The use of performance enhancing substances is certainly not new to cycling. In fact, the sport has had to face the issue for over a century, arguably longer than any other organized sport. Because of this dubious and lengthy history, cycling perhaps rovides one of the best examples for analysis of doping in sports. Bicycle racing can trace its roots as far back as 1868 when Englishman James Moore won the first organized race in France. The first world championships were held in 1893, and cycling has been included in every Olympics since the modern movement in 1896. The most storied event in the history of cycling, the Tour de France, first raced in 1903. Cyclings stars are among the most famous athletes in worldwide. As the popularity of competitive cycling has increased over the years, so has the influence of money and the pressure to win. That pressure has resulted in a long history of doping. The intense desire to win at all costs emerged even in the very early days of competition. The notorious and world champion coach Choppy Warburton, the cycling guru of the 1890s as he was known, was observed to dispense small bottles to his riders with his secret formula. Although details of the story about one of his riders are a bit unclear and disputed, world champion Arthur Linton is often cited as cyclings first fatality related to drugs. Linton had Just won the 1886 Bordeaux-to-Paris race in record-breaking time, but he died at age 24 as a result of an overdose of rimethyl, reportedly taken to help improve his performance. Another of Choppys champion riders, Jimmy Michael, on one instance appeared to be in a daze while racing, eventually riding around the track in the opposite direction of the other cyclists. He died at 28. Antics like these would eventually get Choppy banned from professional cycling, even though there were no specific rules against his practices at the time. By the 1920s, drugs were already a commonplace on the Tour de France. Strychnine was used as a painkiller during the race. Cocaine was also used to keep riders going. By the 1940s a new drug was on the scene. Amphetamines had been developed for military use to combat fatigue and to help aircrews stay alert. The top Tour riders soon found amphetamines necessary to remain competitive. Even by the 1950s, there was no ban against performance enhancing drugs. Some people were becoming concerned about the effects of those drugs on the riders health after several mysterious lite-threatening incidents on the Tour. Many believed t Tours of the 1950s were won by riders on amphetamines. These suspicions were confirmed by five-time Tour winner Jacques Anquetil. He openly admitted to taking mphetamines, as well as his belief that he should be allowed to do what it takes to win. Although it was no secret that some cyclists lost their lives using strong stimulants during the previous decades, it was not until a Danish cyclist died in 1960 during the Olympic Games that the governing bodies responded. The use of performance-enhancing drugs was first made illegal on June 1, 1965 and shortly to follow were the dismissal of several riders from races that year. By 1966, the Tour began drug testing the riders. Anquetil, one of many riders opposed, said, We find these tests degrading. Anquetil lead a revolt by the cyclists that stopped the race the next day. The Tour conducted no further tests that year. Six riders did test positive as a result of those drug tests but were given only light sanctions. In 1967, the International Olympic Committee (IOC) created a medical commission to address the misuse of drugs in Olympic sports. Methods of detection were improved, but it seemed as though the users were able to stay a step ahead. The Tour of 1967 turned tragic when Tom Simpson, Britains greatest cyclist, died of heat exhaustion exacerbated by amphetamines. Amphetamines were found in his body post-mortem s well as in his luggage. This trend has continued into the modern era and is showing no sign of letting up. In conclusion, doping has been prevalent in competitive cycling for more than a century. The types of doping agents and techniques have changed over the years, and the sports governing bodies continue to struggle to address the issue. It is also likely that the advent of new technologies such as genetic engineering will pose a new set of challenges, issues, and ethical questions for not Just cycling but other sports. 3 REASONS FOR DOPING The following are reasons people abuse steroids: To improve their athletic performance: Anabolic steroids help the human body in the metabolism of ingested proteins and the synthesis of skeletal muscles. This is because testosterone levels are high in the body so more dietary proteins are retained in the body. This leads to the development of muscles, bones and skin. Also, anabolic steroids delay fatigue of the human body and make sportsmen and women train intensely for longer periods. It also creates a feeling of euphoria and a sense of pleasure boosting the athletes confidence during training and creating a sense of determination to ensure a win during a competition. To promote aggressiveness: The androgenic characteristics of testosterone are associated with masculinity and this affects the aggressiveness in athletes instilling some sense of competitiveness. This competitiveness could be a desirable trait in sports. 4 To increase their muscle size or to reduce their body fat: Sometimes, people who abuse steroids may be suffering from a behavioral syndrome known as muscle dysmorphia. This condition makes the individuals have a distorted image of their bodies. Men with muscle dysmorphia think that they look small and weak even if they are large and muscular. Also, women with this condition think they look fat and flabby even though they are actually lean and muscular. Sometimes, these people may have experienced physical or sexual abuse Peer pressure: This is particular of adolescents who take risks such as drinking and driving at the same time, carrying a gun, driving a motorcycle without a helmet and abusing other illicit drugs. They believe doping especially anabolic steroids would make them perform these actions and help them blend in with their peers. 5 TYPES OF DOPING IN CYCLING 1. EPO (erythropoietin) EPO is a chemical form of blood doping that first came about in the late 1980s llowing aerobic potential to be increased by increasing the bloods oxygen transfer capacity. EPO artificially boosts the bodys red blood cell count and thus the efficiency with which oxygen is transported around the body, improving performance. It is done by injecting erythropoietin a hormone produced by the kidneys that stimulates production of red blood cells and it gives a massive advantage in performance. The greater the amount of red blood cells available, the more oxygen can be carried from the lungs to the muscles for metabolism increasing endurance. Health implications Inappropriate use of erythropoietin may increase the risk of thrombotic events, such as stroke, heart attack and pulmonary oedema due to increased blood viscosity resulting from increased number of red blood cells. 6 2. Blood Doping The World Anti-Doping Agency (WADA) defines blood doping as The misuse of certain techniques and/or substances to increase ones red blood cell mass, which allows the body to transport more oxygen to muscles and therefore increase stamina and performance. 7An athlete has healthy blood removed during periods when the body is at its freshest (e. after a period of rest). This blood is stored and transfused back into the rider when needed. The benefit of a transfusion of half a litre of blood can provide the athlete with an additional half litre of oxygen to muscles per minute, at the same time increasing the capacity of the muscles to use oxygen by up to five percent. Autologous blood transfusion (transfusion of your own blood) is not detectable and is perhap s not technically doping, but remains a banned technique affording a massive boost to an athlete over fatigued competition. Health implications The simple act of increasing the number of red blood cells in blood may be ssociated with hyper viscosity syndrome which is characterized by increased blood viscosity and decreased cardiac output and blood flow velocity which results in the reduction of peripheral oxygen delivery. 7This increases the chances of heart attack, stroke, phlebitis, and pulmonary embolism, which nas been seen in cases where there is too much blood reintroduced into the blood stream. Because blood doping increases the volume of red blood cells, it effectively introduces a condition called polycythaemia, a blood disorder that has known adverse outcomes such as heart attacks or strokes. 3. Human Growth Hormone This is administered with the aim of increasing strength and muscular power (to improve technique). Proteins, natural or synthetic anabolic agents in combination with hyper-protein diets and muscle-building exercises are frequently used. The balance between the increase in muscle mass and the loss of fat mass can be maintained by growth hormones associated with amino acids, drugs with anabolic properties, or with nutritional supplements. 8 Growth hormones stimulate cell growth, aids in muscle mass building and their recovery. Typically it is injected prior to a period of training (to aid muscle development during training), but can be used uring competition to speed up recovery from fatigue. Health implication Abuse of HGH leads to thickening of the bones (particularly the Jaw bone), swelling of hands and feet and increased organ growth. 4. Steroids A primary form of cheating that has occurred in professional cycling is found in the use of performance-enhancing drugs, including anabolic steroids. There are various steroids that enhance muscle development and the kidneys ability to produce natural EPO. Testosterone being one of them both accelerates the bodys EPO production ability, and aids in muscle recovery. Steroids are naturally or man-made ompounds that can increase muscle size, strength and power. It also increases aggression and competitiveness, and allows one to train harder, for longer by increasing an individuals threshold to pain. Health implications In males the known side effects are kidney damage, development of breasts, premature baldness, shrinking and hardening of testicles, sterility and impotence, acne, increased aggression and sexual appetite. In females the side effects to subjects have been the development of male features (such as facial hair a deepening of the voice), cause increased aggression, mood swings, depression, rregular periods and increase the risk of Jaundice and liver damage. 5. Stimulants Substances like Amphetamines, Ephedrine, Cocaine, Ecstasy Salbutamol act on the brain to stimulate the body mentally and physically, allows athletes to compete at higher levels for longer by reducing feelings of tiredness, and can aid weight loss. 8 Health implications Nervousness and irritability, which make it hard to concentrate on the game. Insomnia, which can prevent an athlete from getting needed sleep. Addiction or tolerance, meaning that athletes need greater amounts to achieve the desired effect, o theyll take doses that are much higher than the intended medical dose. . Amphetamines Amphetamines are a stimulant, and mimic the effect of adrenaline on the central nervous system. Users may teel more alert, more energetic and less tatigued Abuse of amphetamines remains tied to one of cyclings most tragic stories, the death of British rider Tom Simpson on Mont Ventoux during the Tour de France in 1967 due to heart failure brought on by a combination of heat, dehydra tion, physical stress and the drugs he had taken on the morning of the race. 9 7. Diuretics Are products that help eliminate fluid from the body (such as Acetazolamide, Chlorthalidone and Triamterene). 8 They are used to lose weight quickly (water) and to disguise the presence of other banned substances by increasing the rate at which urine is produced and expelled. Health implications Side effects are constituted by dehydration, dizziness, cramps, headaches, nausea, kidney damage, and easily detectable. METHODS USED BY ATHLETES TO EVADE DETECTION 1 . Masking EPO with enzymes. The cyclist conceals an enzyme called protease on himself and dips his fingers in the powder before giving his urine sample, he then urinates over his fingers into the sample bottle. 10 2. Mask Dope With Illegal Powders. The powder is packed into a solid the size of a grain of rice, which is inserted into the urethra of the penis before the urine sample is given. 10 3. Taking EPO in Micro- doses. Allows riders to keep slightly elevated levels of hemacrits at all times. 10 4. Substitute Urine. Powdered synthetic urine is kept on hand and mixed with water when needed. 10 5. Bribery10 6. Hiding. Avoiding test. 10 PREVENTION OF DOPING The following ways increase the bodys strength and appearance: Training regularly without the using of drugs enhances performance by increasing skill, technique and fitness levels. Maintaining appropriate and healthy dietary ractices: This involves eating a balanced diet containing all the food nutrients in their right proportions. These food nutrients will enhance growth, build the body well and prevent diseases and infections. Adequate rest: Sleep is very important for the body and prevents the body from working under stress. Adequate rest causes body to heal and will make one relaxed and train very well. Avoiding injuries by playing safely and using protective gear. This is because a lot of professional athletes have been found to dope after coming back from injuries to help them compete on a level playing field. Ђ Introduction of more stringent rules such as life time bans, prison sentences and hefty fines would deter athletes from doping. CONCLUSION In conclusion, doping might give athletes a superior physical edge over their competitors increasing their chances of winning. However it comes at a very heavy price; it has serious short and long term mental and physical health implications, when found out one will be stripped of his titles. In my humble opinion, the best way to win is by having a thorough knowledge of the physical demands and requirements for the sport, maintenance of a healthy lifestyle, and an appreciation of the atistaction that comes trom participation even without the winning.

Moral Crusade or Personal Vendetta Essay Example

Moral Crusade or Personal Vendetta Essay Abigail is not the only opportunist in Salem. The Putnams, whose daughter was one of the young women dancing in the woods, also seize the opportunity. Thomas Putnam is a greedy landowner in Salem. He systematically accuses his neighbours of witchcraft so that he might purchase their land after they hang. Like Abigail, there is a hidden agenda guiding Thomas Putnam, namely his greed for land. He too will stop at nothing to satisfy his greed. Miller has incorporated this into the play as The Royal Charter was revoked in 1692 and land ownership deeds became invalid creating a crisis of property rights. Individuals no longer felt secure with their landholdings thus feuds broke out regarding property rights and deeds of ownership. Ann Putnam also used the witchcraft trials for her own means. Mrs Putnam believes that a witch is responsible for the deaths of her seven infant children. She is resentful of Rebecca Nurse who has a large family and who has a reputation for good Christian deeds. Reverend Parris is the minister of the Christian puritan society in Salem. At the start of the play he discovers the girls dancing in the woods. One of the girls is his daughter, Betty, who falls ill after the event, and Abigail is his niece. We will write a custom essay sample on Moral Crusade or Personal Vendetta specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Moral Crusade or Personal Vendetta specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Moral Crusade or Personal Vendetta specifically for you FOR ONLY $16.38 $13.9/page Hire Writer Therefore, Reverend Parris is terrified of the consequences of their actions. This is more so as he feels that he is unpopular with many of the congregation I have fought here three long years to bend these stiff-necked people to me, and now, just when some good respect is rising for me in the parish, you compromise my very character. Parris has used his sermons to demand money and possessions and thus divided the village. He believes people are plotting against him and a faction plans to force him to leave Salem so he attempts to strengthen his authority through the witch trials thereby using them for his own means. After Parris receives a death threat, and hears of a rebellion against the court in Andover, where there have been similar witch trials, Parris fears that the hanging of two such upstanding citizens as Rebecca Nurse and John Proctor will incite a rebellion in Salem, similar to the one in Andover. The reason he gives is that postponement now speaks of floundering on my part. He is not so much concerned about the lives of those condemned as about his own reputations. To determine if witchcraft is to blame for Bettys illness, Parris summons Hale, a Reverend from the Boston area. Unlike most of the other characters, Reverend Hale has nothing to gain from the trials and executions. He is a well meaning scholar with a reputation for knowledge and expertise symbolised by the many books he carries on entering the play. He also feels he can put the people of Salem at ease regarding their concerns about witchcraft. He does this by exhorting Tituba, the black slave, and the other girls to confess and denounce others to save themselves. When he succeeds he cries, glory to God, it is broken, they are free! Reverend Hale is on a moral crusade, striving for justice unlike many of the other characters. He is impressed by Elizabeth Proctors strong Christian faith. He is critical of John Proctors poor record of attendance at church and is dismayed at finding that John Proctor cannot remember the Ten Commandments. Ironically, the only of the Ten Commandments that he cannot name is, Thou shalt not commit adultery. Although Hale remains determined not to declare witchcraft unless he can prove it, he is taken in by the expectations of the people of Salem and begins by taking their evidence at face value. Later on, however, he attempts to correct his shortcomings when he realizes that Abigail is a fraud. Hale then devotes himself to attempting to persuade the other prisoners to confess in order to avoid executions. However, he does not realise that lies would only reinforce the slanders the court has already committed. Hales faith is severely tested in the play but although he questions his own faith he does not abandon religion altogether. The other character in the play who does not use the trials for his gain is the Deputy Governor, Danforth, who represents the authority of church and state. Danforth refuses to admit possibilities outside the strict confines of the church and he applies the law with a rigid harshness. Although he may be viewed as a villainous character who does not want to open his mind to the reality of the court being duped by a group of teenage girls after signing so many death warrants, he may also be viewed as someone on a moral crusade which results in his ruthless character. Although not on a moral crusade themselves, characters such as Rebecca Nurse and Elizabeth Proctor are morally upright within the community. They are honest and will not confess to witchcraft as they would be confessing to something they had not done. Rebecca Nurse serves as a symbol of goodness and reason. Her character is impeccable, and her reputation flawless. At the outset she dismisses the behaviour of the young girls as part of their adolescence. She makes it quite clear that any searching for the devil based on the behaviour of the girls is, in itself, evil. Elizabeth and Rebecca Nurse show courage and calmness amidst the climate of fear and hysteria. The character analysis of the main people and their motives in the witch hunt trials shows Millers ability to create complex characters. Although Miller wrote a historical play set in the Puritan period, by inference, the McCarthy period, it is essentially a play about people and the human condition. Miller is adept at removing the outer covering of his characters to expose the inner workings as in a crucible. However, the historical setting of the play has affected style of language and the way the play has been written. He comments, No one can really know what their lives were like, neither can anyone know exactly how they spoke. Miller does not claim to have written a historically accurate play but he uses expressions which may have been used by the Puritan community. These include the use of Goody instead of Mrs; Id admire to know, instead of Id like very much to know, and open with me, instead of tell me the truth. Miller also makes some grammatical changes from modern usage; the verb to be is often changed; it were for it was and it be for it is. The tense of a verb is sometimes changed She gives instead of She gave. Furthermore, the West Indian slave, Tituba, is given her own dialect Devil, him be a pleasure, man in Barbados, him be singin and dancin Miller also drops the g at the end of words such as goin, beatin to denote a dialect. To add to the Puritanical setting Miller makes references to events in the Bible. Reverend Hale trying to persuade Elizabeth to confess says I have gone this three month like our Lord into the wilderness. Earlier, speaking of Abigail, Elizabeth Proctor says, where she walks the crowd will part like the sea for Israel. Thus, without claiming to be totally accurate, Arthur Miller has created the impression of a rural, deeply religious society. As well as the language, rooms are sparsely furnished and severe Puritan costumes are used. This creates an austere tone. Moreover, even more important than the language and setting, Miller makes some of the characters morally vocal. People had principles and lived and died by them. Faith, conduct and society pervaded their lives. This is demonstrated particularly by the character of Goody Nurse and also John Procter who works hard to build a defence for those accused and finally decides to die rather than lose his good name by admitting to witchcraft. Miller uses the historical setting as an opportunity to express the dramatic use of hysteria. The general hysteria that spreads through the community of Salem after the first mention of witchcraft is used to induce an atmosphere of anxiety and guilt which brings out superstitious fears. The witchcraft is both caused and fuelled by fear and it is this fear that is the motivating force that leads neighbour to accuse neighbour and generates hysteria. The most powerful and dramatic of these is the girls hysteria when they pretend to be possessed. The climax to this hysteria appears at the end of Act III in the court when reverend Hale feels anguished at the way the witch hunt is being carried out. Despite John Proctors admission of adultery and his wifes lying to deny it, Reverend Hale is prepared to defend them and starts accusing Abigail of falsehood and pretence. This is a dangerous moment for Abigail and the other girls. She starts looking up at the ceiling and screams at a yellow bird which she says is Mary, trying to scratch her face. The other girls gape at the ceiling, seeing the bird, they start repeating every word that Mary says. This has a terrifying hypnotic effect on Mary, and also the audience. The action at the end of this scene is a demonstration of the power of hysteria to paralyse thought. This is one of the dramatic climaxes of the play. The important technique of delaying is used to great effect. To build up a climax, hints, clues and suggestions must be given earlier in the play, many of them left purposely unanswered so that the audience is kept wondering. An example of the way Miller develops climax within an act is Elizabeths fears at the beginning of Act Two; Marys reporting, later in the act, that Elizabeths name had been mentioned in court; Hales questioning of John and Elizabeth until she denies the existence of witches; Giless report that his wife and Rebecca Nurse had been arrested; and the climax to the act, Elizabeth being arrested herself. Millers use of lighting adds another dimension to the symbolism of the novel. The play begins in Act One with the morning sunlight, which streams through the leaded panes of the narrow window. There is a candle which still burns. The atmosphere is dim and dark to signify ignorance and evil. In Act Two, the door opening on the fields outside, must give a feeling of light and space and the stage direction to Act Three, which is the General Court indicates there is sunlight pouring through two high windows. This shows some goodness and truth trying to vanquish ignorance and evil. Act four opens in darkness but for the moonlight seeping through the bars of the cell; but by the end of the act, when Elizabeth grips the bars of the window, the new sun is pouring in upon her face. The word new in this last stage direction is a clue to the effect Miller wants the lighting to create. The narrow minded community cannot shut out the sun and moon. The new sunlight and gentle moonlight are symbols of an unconfined world outside and are emblems of hope in a world gone mad. The light which is a symbol of truth and hope floods in at the end because Proctor chooses to go to his death rather than sign a false confession. In The Crucible, Arthur Miller has created a work set in a historical period of Puritan Culture. He has used themes and events concerning witchcraft, superstition, the devil and fear, which were largely true in colonist America in the 1690s. He has also drawn parallels with the Puritan culture and that of the McCarthy trial during the 1950s. Miller has done this though narrative techniques which contain long comments on the background and on the characters which are given details by use of language, tone and setting. Therefore, this detailed characterisation makes The Crucible much more than a play in two parallel historical settings. It transcends historical backgrounds. Miller has produced a play which explores repression, resolution, fear and the response to it by the human conscience. It is a play in which private grudges and feuding erupts into controversies that overwhelm an entire community. The problems of a single man, according to Miller, are not enough to contain the truth of the human situation. Proctors conscience is the focus of the play. The initial situation of the play is well devised to prevent the social forces that later provide the major conflict for Proctor as he becomes aware of the witch hunts and reveals his temper, his strengths and weaknesses. At times it seems that evil may win over blind justice. Proctor is a proud and strong man whose one mistake causes his own downfall. The relentless forces of evil in this melodrama are inevitable. The balance between order and freedom, which once existed, as displayed by the character of Proctor is being destroyed. Social and personal conflicts are dramatised in his destruction. This is done by fraud and a self-imposed hypnotism on the part of a society in panic. The climax suggests a symbolic end of an era, the waste of human lives and the confused state of a mankind whose personal disaster shatters the balance of the world. Order to this shattered state is restored by the hero making a personal sacrifice. Some of the characters in The Crucible respond by behaving as though they are on a moral crusade and morally upright characters like Rebecca Nurse and John Proctor end up facing dilemmas of conscience and in conflict with authority. They would rather die than lose their good name by signing to witchcraft. However, a majority and insecurity are driven by fear to manipulate the situation for their own purposes and misinterpret events for their own end, until finally the situation and the events are out of control. An atmosphere of hysterical suspicion is created which drives people. Miller has created this. Miller has created this atmosphere in The Crucible by the use of technical features such as characterisation, language, stage directions and lighting.

5 Tips for Keeping Warm at Work

5 Tips for Keeping Warm at Work It’s freezing. You can’t feel your fingers, and the warmth of summer is but a distant memory. Except you’re not even outside in the elements- you’re at your desk. Your complaints go unheeded by the Facilities team. You’d change the thermostat yourself, except Joe from Accounting sits closer- and he seems to have the blood of a Viking, judging by how often he turns the temperature down. And many offices prohibit space heaters these days due to fire hazards. So what do you do? There are ways to get around the office deep freeze.Put on some fingerless gloves.Keep your delicate mitts warm and flexible while you type those temperature complaint emails or post pictures of your arctic agony on Instagram.Wrap up in a heated scarf.This is totally a thing now! What a time to be alive†¦Bundle up.Just keep adding layers until you’re comfortable. This has the added bonus of coming in handy when the heat gets stuck in tropical mode, and you can peel t hem back off.Find your inner barista.Keep drinking hot tea, coffee, or hot chocolate. Not only will it warm you up, but staying hydrated is pretty key when temperatures are off.Take â€Å"business casual† to a new level.Okay, so wearing a Snuggie in the office is a bit drastic. But if things get to that point, double check your new interpretation of the dress code with HR.Stay warm, office dwellers! Spring will come again†¦uh, someday.

Scaling stages Essay Example | Topics and Well Written Essays - 250 words

Scaling stages - Essay Example More frequently, this transport transpires by making use of diffusion. The transferable property, of a scalant component towards a surface mainly relies upon the System’s physical properties and those of its constituents. Transfer is equally dependent upon the concentration gradient flanked by the bulk fluid and the relative interface between fluid and surface. For the crystallisation scaling process, it is the diffusion of ions to the outside surface and for particulate scaling, it is in actuality the diffusion of colloids or particulate matter to the surface. It is not very frequent that all the materials transported across the surface actually bind. The combined forces affecting on the particles, as they draw nearer to the surface, play a very significant role. The properties of the particles such as: elasticity, density, state and surface, and the surface nature such as: the roughness and type of material play important roles in the sticking process of various particles to the surface. In between the process of the steady growth of the deposit upon the surface, there is always a contest between deposition and removal. Usually, the attached solid particles are transported away from the surface. The removal is dependent, relative to the fluid’s cut-off forces and also the level of persistence of the deposit. The deposition starts happening, as soon as the process of ageing occurs. Throughout this stage, there might be the conversion of crystal or chemical structure, whichever may increase or decrease the force of the deposition with

Change in Food pricesin the last 10 years(choose one of the food Essay

Change in Food pricesin the last 10 years(choose one of the food commodities) - Essay Example Factors that influence the changes in prices of cereal when compared to overall prices of food are undertaken. There is also a discussion on the relationship between food prices and oil prices. To better examine and understand how food prices are changing, the FAO uses a metric known as food price index to measure changes in food prices on a monthly basis, an average of which is extended to yearly determination of changes in food prices. Below, data are presented to examine how cereal prices have changed over the last 10 years as compared to overall food prices. The cereals price index and food price index of the FAO are used in these analyses. The food price index is made up of the average of 5 food group price indices which are meat price index, diary price index, cereals price index, vegetable oil price index, and sugar price index (FAO, 2014). Cereals price index is on the other hand comprised of prices of such cereal products as wheat, rice, and maize. Figure 1 below compares food price index as an average of all food prices to cereal prices from 2005 to 2014. From figure 1 and table 1, it is seen that the prices of cereals as compared to overall food prices have alternated from 2005 to 2014. What this implies is that whenever food prices go up, cereal prices come down. At the same time, when food prices go down, cereal prices begin to rise. This has been the trend without any change. It can also be seen that from 2005 food and cereal prices both rose sharply till the middle of 2008 when prices began to fall. The fall however lasted for only 12 months till the middle of 2009 and prices started rising again till the last quarter of 2011, since which time there has been a steady decline. The data above shows two major trends, one of which is the periods within the last 10 years when prices have gone up and when prices have come down. This section tries to compare the trend of changes

What are causes and effects of not conforming to social pressure Essay

What are causes and effects of not conforming to social pressure - Essay Example According to Asch’s research, most subjects tend to trust their own decisions even though they are under pressures that the confederates try to force subjects into changing their opinion. As a result, conformity is not totally necessary for people in order to stay in the group. Having a fashionable high technology product is what most people want today, especially the iPhone from the Apple Company. It is built with the latest technology and with elegant looks. Many people are conforming to buy it because of the advertising and existing users’ pressure. Their envy makes them follow others’ behavior. I was once asked by my friends to replace my phone with the iPhone because they are all using it. However, I refused to buy it because I feel I do not need it. It is not necessary to have such an expensive cell phone that I may not use the full functions of. I always ask myself the question of why I have to be like everyone else. Indeed, there is certain conformity such as traditional culture that people should follow, but it doesn’t mean that I should behave like some of those people buying pointless, fancy products. Even though I do not conform to social pressure, there is nothing changing in my life. I am still part of my social group, where my friends do not judge me as an outsider. Actually, there is nothing wrong with nonconformity. At least I have my own value to analyze anything. My mind and behavior are not controlled by someone else. So, I can have my own principle to do what I want. Similar to Asch’s experiment, only people who trust their own judgment will get the correct answer. However, people who conform to the group pressure are just for their self-complacence. They think it is the only way the group can accept them and have the same place in the conversation. In fact, it is how social groups make people think they are in the top trend and control their

Persuasion Techniques In Advertisement Media Media Essay

Persuasion Techniques In Advertisement Media Media Essay Introduction The main theme of this paper is to discuss the topic of persuasion in the media through the usage of several examples to explain some of the techniques used to perform this function. Persuasion is one of the many different types of communication that exist, and the best way to begin to define the persuasive communication is primarily giving a definition of what communication is. A quite widespread definition about what communication is would be to say that communication is the action or process where there is an exchange of information of any kind between two or more individuals. Also, it is important to understand that this process is dynamic, transactional, it affects both the sender of the message, and who listen to it and receive it. Persuasive communication is outside our consciousness, since it influences us and manipulates more than what we usually realize. We often hear about the power of specific communicators. We also know that those who control information are very powerfu l. When we talk about the power public speaking, we are only recognizing what experts have known for years, we recognize that communication that influences others is a powerful weapon. The main problem is that the persuasive communication is a tool that can be used for good or bad purposes, to change behaviors, but in one way or another it is important to recognize that it is a powerful tool. For this reason, although the communication fulfils different functions, the purpose is this paper is to show how in the media through the marketing advertisements, we can also use persuasion as a tool to persuade the audience into buying a product. Elaboration Likelihood Model (ELM) Slim Fast In this ad for Slim Fast, the target audience is middle class females who are in a stage of their lives in which they have a successful career. Women are very aware of their weight usually more than men do. Also inside their main audience target, the ad appeals minority females in their 30 and older since this is the time when most start to achieve success climbing the career ladder and at the same time most already have family making it more difficult to take care of their bodies since time is now limited and there is no much room for exercise. The quick and easy answer is Slim Fast. Therefore, the ad shows that a woman in her 30s can have a healthy and thin body because she uses the Slim Fast product. Even the name is persuasive, Slim-Fast, this implies not much work, for people in a hurry to lose weight. In the ad they used as spokesperson a celebrity, a person women could identify with and the before and after pictures are always very effective to persuade audience this is a trusted product. This audience is all about success, and to represent a person who is being successful in life, we must be thin. Not being able to take good care of your body, especially for women in the professional work environment could be seen as a failure. The ad utilizes strategies from the Elaboration Likelihood Model(ELM) to persuade its audience. First the ad uses visual elements to motivate the usage of mental processes to motivate audience to accept the persuasive message. The ad makes good use of the analysis results to understand the audience in order to come up with the ad strategy. In the ELM model the ad used the peripheral route by the celebrity endorsement since it is a way to connect the audience with the product since it helps the receiver think about something that the person is familiar wit h(after all weight lost, is a Fact of Life-TV show where the celebrity being used in this ad became popular back in the early 80s, period when the target audience where in their late teens) and to rely on audience lack of capability to achieve the goal to reduce weight. Lastly self-esteem is effectively appealed by this same route since by gaining audience emotional involvement to demonstrate if the actress selected was able to do it, the audience can do it too. Social Judgment Theory In this advertisement for Mercedes-Benz, the target audience is upper middle class individuals who are coming up in the professional ladder. Young executives like to demonstrate in the way they dress, what they eat, and more important what they drive, that they are successful people. For most people cars make a social status statement, and what better statement to show everybody how successful we are, by getting a Mercedes-Benz. The biggest challenge for many people in getting such a prestigious car is the cost, and in the ad, they already give the solution; raise expectations, but not the payments. The persuasive message is why settling for less if now you can get a Mercedes-Benz for an affordable price. This ad uses subliminal persuasion since in the picture the car is driving up, or heading up. In other words, once again, we see the message about moving up the professional ladder. In addition in the picture the cars wheels are in motion, another subliminal message of the always m oving and fast-paced on how people judge individuals who are working towards achieving their goals. It is interesting to see in the picture the lack of color to give the impression of a classical and somewhat elegant item. This advertisement utilizes strategies from the Social Judgment Theory to persuade its audience. My interpretation of the use of this theory in the ad, is that when people receive the nonverbal message, they immediately judge the ad message based on how they view and measure being successful, and to be able to own this car, will give them the prestige they view as representation of the success they are experiencing in their personal and professional lives. The message was crafted keeping in mind an audience who has a high ego-involvement based on their values and views of how they measure success and this enable a high level of acceptance/agreement with the message. Professionals in their social networks and affiliations usually will agree with the majority opinion more often than not, and in this type of groups most of them own or wish they could own a Mercedes-Benz. This is a result of high ego-involvement, or taking on the groups views/judgments as ones own. Subliminal Co-Creation Theories In this lipstick ad, the target audience is women-young adults in their 20s 30s who are not afraid to express themselves. They want to look sexy, they want to feel sexy for the opposite sex, and they are looking for company and what better than using a red lipstick. Young adults are always looking for action, are not afraid of risks, and in this ad we see two nice looking adults who are not afraid to demonstrate to each other how they are feeling and what they want. The persuasive approach is very graphic and it is used by having beautiful women with white complexion to highlight the redness of her bold, shiny lips. The use of sex appeal, and color, is part of the persuasion process to convince audience it is ok to be beautiful and this lipstick will give them the lips theyve always wanted and it would drive men crazy. The subliminal approach continues with the way she is using the lipstick (girls mouth open while using the lipstick) and the man kissing her, suggesting that she feels sexy wearing the lipstick and it could lead for more than just a kiss. The Co-creation process is clearly used in this ad since it leads audience to co-create what is going on or what is about to happen with the couple in the picture. Once again this is a very effective approach to appeal to the main audience this ad is targeting since they are in their prime age and are interested to attract the opposite sex. The picture is not complete since we cannot see where th ey are, are they dressed or not dressed? or what their eyes look like, giving audience the opportunity to imagine different scenarios where the action is taking place; her apartment, his house, or at a club. The co-creation process is used by omitting information in the picture which helps audience co-create their own unique scenario with the expectation that this will help persuade potential buyers to get the product since once we co-create a unique scenario it can have a more effective appeal to me as an individual. Compliance Gaining Theory Kama Sutra Condoms In this ad for Kama Sutra condoms, the target audience is adults in their 20s to 30s who are self-confidents and are very clear of what they want and are not afraid to ask for it. Men self esteem many times is measured by the capability to satisfy women, and the ad provides an answer to this dilemma. This ad persuades men with the message that they not just will have sex but they will be able to enjoy it more because they would achieve to experience it for much longer by using this condom. In the other hand Women are also persuaded with this ad, since the message is that not only they will have safe-sex by getting protection, but it will not limit their capability to be satisfied. The picture shows a good-looking people which also appeals to audience by sending this message that good-looking people know how to have fun. I believe sexually explicit pictures attract attention, are interesting and engaging, and direct processing resources toward the sexual stimulus and this lead to a p ositive attitude towards the product. This advertisement utilizes strategies from the Compliance Gaining Theory to persuade its audience. The persuasive message is very interpersonal by clearly establishing the promise that the people who use this product are rewarded. The product clearly sends this message by writing in big letters right in the front package: long last. There are different elements of this theory used in this ad, since also I can see the debt factor playing in the persuasive message, since most men feel like they owe women the pleasure of sex. In addition, self-feeling is very evident since using this product will make both feel very good by having a long and fulfilling time. The esteem element is also played in the ad since the ad establishes that by using it, the partners will be satisfied. In summary both female and male audience will be positively influenced by this ad by appealing to their self-gratification. CONCLUSION We can see how in the media and in particular advertising, the process of persuasion is critical in order to achieve success through the process to convince the audience to acquire certain products, either goods or services. To achieve persuasion, advertising media uses different methods and strategies to present a product or service as something necessary for the consumer. We are surrounded by advertising everywhere. Posters in the subway, clothing brands, advertisements on television, making us feel we are constantly being targeted by persuasion messages which are impossible to get rid of it. Advertising is executed by people and, therefore, is subject to the same virtues and their same defects but, what is very important is to acknowledge that it is a powerful communication tool. For that reason, it is important to learn more about the different persuasion strategies that are used in the media in order to determine when we are being targeted to get something that really we do not need or convince us to change our principles.

Love in The Beauty and the Beast and Shrek Essay -- Movies Fairytales

Love in The Beauty and the Beast and Shrek Love is a common theme not only in the entertainment industry, but as well as in life. Love sells, and people in the movie industries understand this and gain from the profit. Movies often portray love between two people who are both beautiful, and not always the best person they can be on the inside. In Disney’s The Beauty and the Beast and Dreamworks’ Shrek not only do they have two people fall in love, but also they show how love is blind. When Lord Farquaad condemned all of the fairy tale creatures to Shrek’s (an ogre) swamp, he makes his way to the castle, with his trusty side-kick Donkey, to demand their removal. While there, he won a fight against the best knights of the land, and won the chance to go on a quest for Lord Farquaad. The quest was to go save Princess Fiona from the highest tower, where a dragon was guarding her. After successfully rescuing the princess, it was time for Shrek to deliver her to Lord Farquaad. During the journey back, both Princess Fiona and Shrek fall for each other. After over hearing a conversation between the princess and Donkey, Shrek felt betrayed and unloved. During the wedding, Shrek found out that she too is an ogre, though only at night, and that she loved him for who he is. Shrek interrupts the wedding to give Princess Fiona, true loves first kiss, which turns her into an ogre forever. The two fall in love and get married. Not only did they fall in love, but Donkey and the Dragon fell in love as well. Love was the major theme for Beauty and the Beast. The love for a father, a beast/ man, and for one’s self. Papa, an inventor that does not yet have a following, took a wrong turn and came upon a ca... ...he could not. As well Lord Farquaad did not ever love Fiona but just wanted to marry her in order to become a king and not just a lord, and when Shrek expressed his love for Fiona and their wedding, Lord Farquaad could not understand how a Princess could fall in love with an ogre. Love conquered all things in both movies. Nothing could stand in the way of love, no one no matter what the circumstance could come between Bell and the Beast, and Shrek and Princess Fiona. Though when their love was revealed both the Beast and Princess Fiona changed to take true love’s form, they loved and were loved for whom they were. The movies show a good example in life, how we should not date someone just because of what they look like, looks fade, but personalities are forever.