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A Review Paper on Extracting Waste Heat from the Engine Exhaust and Reutilizing in Car Air Conditioning

Journal: International Research Journal of Advanced Engineering and Science (IRJAES) (Vol.2, No. 1)

Publication Date:

Authors : ; ;

Page : 100-105

Keywords : VCRS; VARS; exhaust heat; conventional air conditioning waste engine heat.;

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Taking view on today's scenario, a large number of industrial processes uses significant measurements of energy in the form of heat; all forms of energy are derived from fossils. However, the most common forms of energy-fossil fuels are petroleum, natural gas and natural gas liquids, coal and wood. With the increase hike in fuel and economic changes the cars become costlier and uneconomical. Also into the account that refrigerant used in the cars air conditioning is harmful for climatic conditions and needed to be recharge over a period of time. It requires some useful work from engine to vaporize the refrigerant, thus looking into the matter it was found that cars exhaust temperature can be used as an alternative to run the cars air conditioning by vapour absorption refrigeration system. Vapour absorption refrigeration system uses only the heat source to run the system as compressor of the engine is replaced by generator and absorber with pump, except for condenser and evaporator. The cooling capacity of refrigerator is 0.80 TR and the waste heat can be utilized and converted into useful work. Current scenario is like various modifications have been done in cars to make it luxurious. Many new technologies have been developed in cars to comfort the humans and many theories and discussion being done on car performance, speed and automatic transmission. Many researchers have found that it could be the source for power generation, heat into electric work and many more. Thus a modification also required in air conditioning because of some useful work has to be taken to drive air condition system. Now to reduce the ozone depletion many refrigerant has been banned and due to increase in global warming. It is necessary to have an alternate source which will be reliable and meet the future requirements in cars.

Last modified: 2017-01-28 21:54:57