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Performance Analysis of Household Refrigerator with Alternate Refrigerants

Abstract

This study presents a comparison of energy and exergy analysis for R134a, R152a, R290, R600 and R600a in refrigerator. The paper analyzes the domestic refrigerator with alternative refrigerants for computing coefficient of performance, exergy destruction ratio, exergy efficiency and efficiency defect. The method of exergy provides a measure to judge the magnitude of energy waste in relation to the energy supplied or transformed in the total plant and in the component being analyzed, a measure for the quality (or usefulness) of energy from the thermodynamic viewpoint and a variable to define rational efficiencies for energy systems. It is established that in the present work efficiency defect is maximum in condenser and lowest in evaporator. Comparison of various properties for alternative refrigerants has been done for a domestic refrigerator.

Gaurav , Raj Kumar

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