A Thermodynamic Analysis of Alternative Refrigerants in Vapor-Compression Refrigeration Cycles

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 1990Publisher:SAE InternationalJournal:SAE Technical Paper Series, volume 1 (issn: 0148-7191, eissn: 2688-3627,

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Authors: M. J. Provost; E. M. Arrieta;

doi: 10.4271/900215

A Thermodynamic Analysis of Alternative Refrigerants in Vapor-Compression Refrigeration Cycles

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Abstract

<div class="htmlview paragraph">The study of differences between Refrigerant 12 and Refrigerant 134a in automotive air conditioners has led to new methods of presenting refrigerant data. Pressure-enthalpy curves generated on a PC computer with high resolution graphics assist engineers in understanding thermodynamic behavior. The air-conditioning system data is plotted on these curves and animated as the system changes conditions. This visual effect is also used with the temperature-entropy diagram. Graphs of coefficient of performance, (COP), irreversible heat loss, and availability complete this study of the first and second laws of thermodynamics for refrigeration cycles.</div>

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