MEASURING knock-sound intensity by a microphone and vacuum-tube amplifying set is described in this paper. Widely varying fuels are compared with mixtures of normal heptane and iso-octane at knock intensities ranging from incipient knock to a knock severe enough to cause preignition. The conclusion is drawn that, for tests on the L-head Cooperative Fuel-Research knock-testing engine, the intensity of knock at which tests are made does not affect the knock ratings if a fuel-matching method is used.


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    Titel :

    Effect of Sound Intensity on Knock Ratings


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Huf, Harry F. (Autor:in) / Hill, J. Bennett (Autor:in) / Sabina, J. R. (Autor:in)

    Kongress:

    Pre-1964 SAE Technical Papers ; 1906



    Erscheinungsdatum :

    01.01.1931




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    EFFECT OF KNOCK INTENSITY ON FUEL KNOCK RATINGS

    MacCoull, Neil | SAE Technical Papers | 1937


    Road vs. Laboratory knock ratings

    Duckworth, J.B. / Moore, G.T. / Domke, C.J. | Engineering Index Backfile | 1950


    THE KNOCK RATINGS OF FUELS

    Walsh, A. D. | NTRS | 1963