Thermodynamic analysis of two stages cascade refrigeration system using r-1234ze in high temperature circuit and r1234yf in low temperature circuit for replacing HFC (R-134a) refrigerant
作者: Radhey Shyam Mishra
刊名: International Journal of Research in Engineering and Innovation, 2018, Vol.2 (4)
来源数据库: Meerut Institute of Technology
关键词: Thermodynamic AnalysisTwo stage Vapour compression refrigeration systemEntropy GenerationEnergy-Exergy Analysis
原始语种摘要: This paper present the thermodynamic performance evaluation using Energy-Exergy method for cascade vapour-compression refrigeration system by using for HFO-1234yf (2, 3, 3, 3-Tetrafluoropropene) in the low temperature circuit and HFO-1234ze (trans-1, 3, 3, 3-tetrafluoroprop-1-ene) in the high temperature circuit. Both HFO refrigerants have ultra-low Global Warming Potential (GWP) with zero Ozone Depletion Potential (ODP) and comparison was made of the computed results using HFO refrigerants with HFC-134a refrigerant as possible alternative replacements in low temperature refrigeration circuit in the range evaporator temperature variation between -35oC of -50oC. A numerical computation has been carried out for calculating first law efficiency in terms of system coefficient of performance...
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