The study of differences between Refrigerant 12 and Refrigerant 134a in automotive air conditions has led to new methods of presenting refrigerant data. Pressure-enthalpy curves generated on a PC computer with high resolution graphics asist engineers in understanding, thermodynamic behavior. The air-conditioning system data is plotted on these cuves 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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    Title :

    A thermodynamic analysis of alternative refrigerants in vapor-compression refrigeration cycles


    Additional title:

    Eine thermodynamische Analyse alternativer Kältemittel in Dampf-Kompressions-Kälteprozessen


    Contributors:

    Published in:

    SAE-Papers ; Mar ; 1-6


    Publication date :

    1990


    Size :

    6 Seiten, 9 Bilder, 9 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    A thermodynamic analysis of alternative refrigerants in vapor-compression refrigeration cycles

    Prorost,M.J. / Arrieta,E.M. / Sanden International,US | Automotive engineering | 1990




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    Alternative refrigerants

    Weissler,P. | Automotive engineering | 2003