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

Paper #:
  • 900215

Published:
  • 1990-02-01
Citation:
Provost, M. and Arrieta, E., "A Thermodynamic Analysis of Alternative Refrigerants in Vapor-Compression Refrigeration Cycles," SAE Technical Paper 900215, 1990, https://doi.org/10.4271/900215.
Pages:
8
Abstract:
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.
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