The paper describes a study of cold-flow air motion in a single cylinder of a small indirect-injection (IDI) diesel engine during the compression and expansion strokes. Computational Fluid Dynamics is used to examine the effect of moving the cold-starting aid ('glow-plug'), and the effect of engine speed on swirl and turbulence. The sensitivity of the solution to the computational mesh-density, and numerical differencing scheme is investigated. The study has shown that the predicted flow velocities and turbulence levels are sensitive to mesh density and differencing scheme.


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    Title :

    CFD study of air motion in a passenger car IDI diesel engine


    Additional title:

    Eine Untersuchung mittels rechnergestützter Strömungsdynamik über die Luftbewegung in einem PKW-Dieselmotor mit indirekter Kraftstoffeinspritzung


    Contributors:


    Publication date :

    1993


    Size :

    8 Seiten, 11 Bilder, 4 Tabellen, 8 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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