A method for calculating inviscid, supercritical flowfields about axisymmetric inlet cowls with center bodies is presented. A finite-difference approximation to the full potential equation is solved under a general coordinate transformation, using a numerical evaluation of the transformation matrix at each mesh point. For the present problem, a boundary-conforming coordinate system was generated by a sequence of conformal and shearing transformations, but this transformation is not essential to the method. Both the quasi-conservative and nonconservative forms of Jameson's rotated differencing scheme are used, and the difference equations are solved by relaxation. Numerical results for pressure distributions generally agree well with experiment. (Kursetz)


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    Titel :

    Calculation of transonic inlet flowfields using generalized coordinates


    Weitere Titelangaben:

    Berechnung von transsonischen Einstroemfeldern unter Anwendung allgemeiner Koordinatensysteme


    Beteiligte:
    Chen, L.T. (Autor:in) / Caughey, D. (Autor:in)

    Erschienen in:

    AIAA-Papers ; Jan ; 1-10


    Erscheinungsdatum :

    1979


    Format / Umfang :

    10 Seiten, 11 Bilder, 14 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch