The purpose of this paper is to describe a methodology based on experimental and theoretical studies for the modeling of typical exhaust systems used in two-stroke small engines. The steady and dynamic behaviors of these systems have been measured in a flow test rig and in an impulse test rig, respectively. Information obtained from these experiments is used in two ways: to find a suitable geometric model to be used in a finite-difference scheme code, and to provide a mean pressure and a frequency domain reflecting boundary, in the frame of a hybrid method. A complete 50cc engine was modeled and comparisons between predicted and measured instantaneous pressure at the exhaust port show a fair agreement, the results of the hybrid approach being more accurate.


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    Titel :

    Modeling the Exhaust System in Two-Stroke Small Engines


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Torregrosa, A. J. (Autor:in) / Gaia, C. (Autor:in) / Climent, H. (Autor:in) / Galindo, J. (Autor:in) / Payri, R. (Autor:in)

    Kongress:

    Automotive and Transportation Technology Congress and Exposition ; 2001



    Erscheinungsdatum :

    01.10.2001




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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