Journal Article

·2016

Exergetic and Economic Analysis of Subcooling and Superheating Effect on Vapor Compression Refrigeration System

Asım Sinan Karakurt YTU , Ümit Güneş YTU , Yasin Üst YTU

Abstract

Refrigeration systems are one of the most common and the oldest thermodynamic system that almost equal to human history. Exergetic and economic effects of subcooling & superheating on vapor compression refrigeration system are analyzed and examined in terms of different refrigerants, working conditions (temperature and pressures), condenser and evaporator effectiveness and temperatures and isentropic efficiency of compressor behalf of coefficient of performance, exergetic efficiency, exergetic performance coefficient and ecological coefficient of performance. The results show that variations of the condenser and evaporator temperatures, pressure losses in heat exchangers and isentropic efficiency of compressor are highly related to performance and economic parameters such as heat exchange areas and power consumption for subcooling & superheating refrigeration system (SSRS).

Keywords

Subcooling Coefficient of performance Refrigeration Condenser (optics) Vapor-compression refrigeration Superheating Thermal expansion valve Isentropic process Thermodynamics Refrigerant Evaporator Gas compressor Heat pump and refrigeration cycle Heat exchanger Materials science Nuclear engineering Environmental science Boiling Engineering Physics

Subject Areas

Refrigeration and Air Conditioning Technologies ·Mechanical Engineering ·Physical Sciences
Heat Transfer and Optimization ·Mechanical Engineering ·Physical Sciences
Thermodynamic and Exergetic Analyses of Power and Cooling Systems ·Mechanical Engineering ·Physical Sciences

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