A new technique of translating linear to rotary motion, using the Stiller- Smith mechanism, can be applied to the design of internal combustion engines and compressors. This new mechanism produces purely sinusoidal motion of the pistons relative to crank angle, which is a different motion from that produced by a conventional slider-crank mechanism, Influence of this sinusoidal motion on thermodynamic performance of engines and compressors was investigated theoretically and experimentally. Data are presented from a numerical analysis of compression and of spark-ignited combustion. Also, pressure-time curves for a standard and a modified (long connecting rod) spark ignition engine are compared. All data confirm that there is little thermodynamic difference between the Stiller-Smith and slider-crank devices.


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    Titel :

    The Influence of Sinusoidal Piston Motion on the Thermal Efficiency of Engines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    McKisic, A. D. (Autor:in) / George, Aaron (Autor:in) / Smith, James E. (Autor:in) / Van Egmond, Jan W. (Autor:in) / Lee, Kwi Y. (Autor:in) / Clark, Nigel N. (Autor:in) / Hurter, Patricia (Autor:in) / Sickles, Paul (Autor:in) / Churchill, Randolph (Autor:in) / Messenger, S. Eugene (Autor:in)

    Kongress:

    Passenger Car Meeting & Exposition ; 1987



    Erscheinungsdatum :

    1987-10-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    Influence of Piston Rotational Motion on Piston Friction

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