A mathematical model of parallel flow condensers used in automotive air conditioning systems has been developed for the prediction of their performance under operating conditions. The model developed is based on the application of fluid flow and heat transfer equations to the heat exchanger geometries. Fluid thermophysical properties have been introduced in the model for the refrigerant HFC 134a. An air-side heat transfer correlation has also been included in the condenser model. Correlations for the single-phase and two-phase frictional local pressure drops and momentum changes of refrigerant flow through the condenser have been used. The agreement between the model results and experimental data is shown to be good.


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    Title :

    Modelling of automotive air conditioning parallel flow condensers with pressure drop calculations


    Additional title:

    Erstellung eines Modells der Parallelstromkondensatoren in Kraftfahrzeugklimaanlagen mit Hilfe von Druckverlustberechnungen


    Contributors:
    Rahman Ali, A.A. (author) / Castro, F. (author) / Tinaut, F.V. (author) / Melgar, M. (author)


    Publication date :

    1995


    Size :

    6 Seiten, 5 Bilder, 19 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Modelling of automotive air conditioning parallel flow condensers with pressure drop calculations

    Rahman,A.A. / Castro,F. / Tinaut,F.V. et al. | Automotive engineering | 1995


    Modelling of Automotive Air Conditioning Parallel Flow Condensers with Pressure Drop Calculations

    Rahman Ali, A. A. / Castro, F. / Tinaut, F. V. et al. | British Library Conference Proceedings | 1995



    Performance of parallel flow condensers in vehicular applications

    Sugihara,A. / Lukas,H.G. / Nikkei Heat Exchanger,JP | Automotive engineering | 1990


    Performance of Parallel Flow Condensers in Vehicular Applications

    Sugihara, Atsushi / Lukas, Henry G. | SAE Technical Papers | 1990