In-cylinder charge motion plays a key role in optimizing the combustion process of modern reciprocating engines. The present paper describes a method for obtaining the volumetric, isothermal, in-cylinder velocity flow field using Doppler Global Velocimetry (DGV). The DGV system is designed for measuring time-averaged velocity data in three different light sheet directions using a single camera system with the aim of providing planar, spatially resolved, three-component velocity data of the cylindrical cross section. As DGV provides time-averaged data, the results can be directly compared with data obtained by 3-D CFD analysis. An automated program code generates characteristic numbers of the measured velocity fields with the aim of assessing and comparing the results of different engine concepts.


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    Titel :

    Measurement of 3-D In-Cylinder Flow Fields Using Doppler Global Velocimetry


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kahrstedt, Joern (Autor:in) / Behnk, Kai (Autor:in) / Dingel, Oliver (Autor:in) / Zuelch, Stefan (Autor:in) / Seidel, Thomas (Autor:in)

    Kongress:

    SAE 2004 World Congress & Exhibition ; 2004



    Erscheinungsdatum :

    08.03.2004




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Measurement of 3D in-cylinder flow fields using Doppler Global Velocimetry

    Dingel,O. / Kahrstedt,J. / Behnk,K. et al. | Kraftfahrwesen | 2004


    Measurement of 3-D In-Cylinder Flow Fields Using Doppler Global Velocimetry

    Dingel, O. / Kahrstadt, J. / Zuelch, S. et al. | British Library Conference Proceedings | 2004


    Doppler Global Velocimetry

    J. Usry | NTIS | 1991


    Doppler global velocimetry

    Usry, Jim | NTRS | 1991