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Fabrication and Development of Vapor Absorption Refrigeration System Using Waste Heat Source

J. Siddhartha Yadav, Ch. Manikanteswar Rao, Subrat Ku. Barik


Heat expelled by the exhaust gas results in the rise of entropy and serious environmental pollution; hence, there is a demand to utilize this waste heat from the vehicle into useful work output. Thus, the wasted heat can be used to run the absorption refrigeration system. As an absorption system requires heat energy as input so in this work, we used the 4-stroke engine’s exhaust as source of heat in generating input heat energy. The result indicates the performance of the refrigeration system. To increase the performance of the refrigerator the temperature of the exhaust gas has to be increased. In this experimental set up we obtained maximum cooling up to 20℃.


heat energy, exhaust system, absorption refrigeration system, engine exhaust, generator

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