Analysis of a vapour compression refrigeration system via exergetic performance coefficient criterion

Yasin Üst; Ali Volkan Akkaya; Aykut Safa

doi:10.1179/014426011x12968328625351

Abstract

A theoretical performance analysis based on exergetic performance coefficient (EPC) criterion was carried out for a vapour compression refrigeration system for different refrigerants. The EPC criterion is defined as the ratio of exergy output to the total exergy destruction rate (or loss rate of availability). According to the results, the refrigerant R32 shows the best performance in terms of EPC among the other refrigerants (R410A, R143A, R404A and R125). The effects of temperature and pressure drops in the evaporator and condenser and of environment temperature on the exergy destructions and EPCs for the components of the vapour compression refrigeration system have been investigated in detail for the refrigerant R32.

Keywords

Refrigerant Evaporator Condenser (optics) Exergy Refrigeration Vapor-compression refrigeration Coefficient of performance Thermodynamics Compression (physics) Exergy efficiency Cooling capacity Gas compressor Materials science Environmental science Process engineering Engineering Physics

Subject Areas

Refrigeration and Air Conditioning Technologies ·Mechanical Engineering ·Physical Sciences

Advanced Thermodynamic Systems and Engines ·Mechanical Engineering ·Physical Sciences

Heat Transfer and Optimization ·Mechanical Engineering ·Physical Sciences

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Analysis of a vapour compression refrigeration system via exergetic performance coefficient criterion

Abstract

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