The objective of this effort was the development of improved methods for obtaining accurate boundary conditions for CFD simulation of transonic wind tunnel flows. An experimental study of the cross-flow characteristics of five perforated transonic wall geometries is reported. A correlation, collapsing the cross-flow characteristics of all five geometries is obtained. Cross-flow is found to be dependent on local wall pressure and boundary layer displacement thickness. A relation between cross-flow velocity and equivalent inviscid normal velocity (flow angel) is derived. A set of equations is given allowing the simultaneous numerical solution for cross-flow velocity, boundary layer displacement thickness, and equivalent inviscid normal velocity - given the pressure distribution and test section inlet displacement thickness.


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    Title :

    Modeling the ventilated wind tunnel wall


    Additional title:

    Modellierung ventilierter Windkanal-Wände


    Contributors:
    Crites, R. (author) / Rueger, M. (author)

    Published in:

    Publication date :

    1992


    Size :

    8 Seiten, 15 Bilder, 14 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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