This experimental work demonstrates the use of a NASA designed, real time Indicated Mean Effective Pressure (IMEP) measurement system which will be used to judge proposed improvements in cycle efficiency of a rotary combustion engine. This is the first self-contained instrument that is capable of making real time measurements of IMEP in a rotary engine. Previous methods used require data recording and later processing using a digital computer. The unique features of this instrumentation include its ability to measure IMEP on a cycle by cycle, real time basis and the elimination of the need to differentiate the volume function in real time. Measurements at two engine speeds (2000 and 3000 RPM) and a full range of loads are presented, although the instrument was designed to operate to speeds of 9000 RPM.


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    Title :

    Experimental analysis of IMEP in a rotary combustion engine


    Contributors:
    Schock, H. J. (author) / Rice, W. J. (author) / Meng, P. R. (author)

    Conference:

    International Congress and Exposition ; 1981 ; Detroit, MI


    Publication date :

    1981-02-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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