A transonic similarity rule which accounts for the effects of attached sidewall boundary layers is presented and evaluated by comparison with the characteristics of airfoils tested in a two dimensional transonic tunnel with different sidewall boundary layer thicknesses. The rule appears valid provided the sidewall boundary layer both remains attached in the vicinity of the model and occupies a small enough fraction of the tunnel width to preserve sufficient two dimensionality in the tunnel.


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    Title :

    Application of a Transonic Similarity Rule to Correct the Effects of Sidewall Boundary Layers in Two-Dimensional Transonic Wind Tunnels


    Contributors:

    Publication date :

    1982


    Size :

    91 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English