This paper provides a user oriented description of techniques for the measurement and analysis of engine cylinder pressures. These techniques were developed for piezoelectric transducers and for digital systems of data acquisition and analysis. Test cell procedures are described for transducer preparation and calibration, and for association of each pressure with its appropriate crank angle. Techniques are also described for evaluating the accuracy of pressure data and for eliminating specific errors. Two examples of uses for pressure data are discussed: the calculation of heat release rate in conventional engines, and the computation of internal flows in divided chamber engines.This paper provides a user oriented description of techniques for the measurement and analysis of engine cylinder pressures. These techniques were developed for piezoelectric transducers and for digital systems of data acquisition and analysis. Test cell procedures are described for transducer preparation and calibration, and for association of each pressure with its appropriate crank angle. Techniques are also described for evaluating the accuracy of pressure data and for eliminating specific errors. Two examples of uses for pressure data are discussed: the calculation of heat release rate in conventional engines, and the computation of internal flows in divided chamber engines.


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    Titel :

    Measurement and Analysis of Engine Pressure Data


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1975 Automotive Engineering Congress and Exposition ; 1975



    Erscheinungsdatum :

    1975-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Measurement and analysis of engine pressure data.

    Lancaster,D.R. / Krieger,R.B. / Lienesch,J.H. et al. | Kraftfahrwesen | 1975





    Heat Release Analysis of Engine Pressure Data

    Balles, E. N. / Nelson, F. E. / Ekchian, J. A. et al. | SAE Technical Papers | 1984