EXPERIMENTAL PERFORMANCE CHARACTER AND ANALYSIS OF HYDROCARBON REFRIGERATION SYSTEM

MECHANICAL ENGINEERING

Our project presents a study of different environment friendly refrigerants with zero ozone depletion potential (ODP) and negligible global warming potential (GWP), to replace R134a in domestic refrigerator. This work consists of using a hydrocarbon gas mixture which does not deplete ozone layer, is eco friendly, and can be used in the commonly used refrigerators without any significant change in the system. A refrigerator designed and developed to work with R134a was tested, and its performance using HC-12a was evaluated and compared with its performance when R134a was used. The condenser temperature and evaporator temperature, COP, refrigerating effect, condenser duty, work of compression and heat rejection of water were investigated. The energy consumption of the refrigerator during experiment with hydrocarbons and R-134a was measured. The results obtained showed that the alternative refrigerant investigated in experimental performance HC-12a have higher coefficient of performance and less energy consumption.

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