Skin friction measurements in a turbulent boundary layer

Sundaram, S (1988) Skin friction measurements in a turbulent boundary layer. Technical Report. National Aeronautical Laboratory, Bangalore, India.

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    Abstract

    Skin friction measurements were made in a 'two-dimensional13; turbulent boundary layer under zero pressure gradient by several techniques . The techniques include devices using razor blade ., and sub layer fence . The classical clauser chart method and Bradshaw's scheme were also used in all the tests reported here . The tests were conducted at a unit Reynolds number of 1 .4 million per metre . The applicability of these techniques to a confluent boundary layer was evaluated . 13; A new and simple method of making the sub-layer fence described here was tested for its applicability as a skin friction measuring device . This simple . _device was found to be as good quot;as the regular machined fence generally used for such accurate measurement of wall shear stress .

    Item Type: Proj.Doc/Technical Report (Technical Report)
    Uncontrolled Keywords: Two-dimentional;Turbulent boundary layer;Skin friction;Sub-13; layer fence;Razor technique;Zero-pressure gradient
    Subjects: AERONAUTICS > Aeronautics (General)
    Division/Department: Fluid Dynamics
    Depositing User: Poornima Narayana
    Date Deposited: 07 Jul 2006
    Last Modified: 24 May 2010 09:45
    URI: http://nal-ir.nal.res.in/id/eprint/2117

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