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국내 최대 기계 및 로봇 연구정보
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  • 공학설계D/B

    공학설계D/B 게시판 내용
    Volume Title Transonic Aerodynamics
    Volume No Aerofoils: drag rise, designs, separation. Aerofoils: excrescence drag magnification.
    DATA Title First-order method for estimating the subcritical pressure distribution on a two-dimensional aerofoil in compressible viscous flow.
    DATA Item 76002
    KEYWORD aerofoil, distribution, pressure, airfoil
    ISBN 0 85679 198 9
    ABSTRACT A scheme was formulated by Firmin that iterates between successive approximations to the boundary-layer flow, the aerofoil pressure distribution (calculated in inviscid flow for the aerofoil-plus-displacement surface) and their mutual interaction. In the method, inviscid theory is restricted to first order but incorporates terms that account for the effects of wake curvature. The accuracy of this method was assessed by comparison with experimental data, the effects of tunnel constraint being taken into account in an extension of the method. The method is outlined and comparisons made with fully-corrected experimental data for one particular aerofoil. Comments on some of the limitations of the method are included.

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