By the use of surface thermocouples to measure instantaneous temperatures, the instantaneous heat fluxes are calculated at several positions on the cylinder head and sleeve of a direct injection diesel engine for both motored and fired operation. Existing correlations are shown to be unable to predict these data.An analysis of convective heat transfer in the engine leads to a boundary layer model which adequately correlates the data for motored operation. The extension of this motored correlation to fired operation demonstrates the need for instantaneous local gas velocity and temperature data.By the use of surface thermocouples to measure instantaneous temperatures, the instantaneous heat fluxes are calculated at several positions on the cylinder head and sleeve of a direct injection diesel engine for both motored and fired operation. Existing correlations are shown to be unable to predict these data.An analysis of convective heat transfer in the engine leads to a boundary layer model which adequately correlates the data for motored operation. The extension of this motored correlation to fired operation demonstrates the need for instantaneous local gas velocity and temperature data.


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    Titel :

    Experimental Instantaneous Heat Fluxes in a Diesel Engine and Their Correlation


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Uyehara, O. A. (Autor:in) / Myers, P. S. (Autor:in) / LeFeuvre, T. (Autor:in)

    Kongress:

    Mid-Year Meeting ; 1969



    Erscheinungsdatum :

    01.02.1969




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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