四孔壁应力探头的新概念

ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities Pub Date : 1997-09-29 DOI:10.1109/ICIASF.1997.644684

S. de Ponte, L. Gasparini, G. Gibertini, L. Codazzi

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引用次数: 1

摘要

为了改进流体中壁面剪应力的测量方法，提出了一种新的“三角形探头”的标定方法。这种新方法允许使用更薄的探针，完全浸入粘性亚层中，因此它的侵入性更小，减少了实验扰动。与某翼型表面的数值结果比较，证实了该方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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New concepts about 4 hole wall stress probe

For improving the wall shear stress measurement in a fluid stream, a new procedure for calibration of the "triangular probe" is developed. This new procedure allows to have thinner probes, completely submerged into the viscous sublayer, thus it is less intrusive and reduces the experimental perturbations. Comparisons to numerical results on an airfoil surface confirm the validity of this new procedure.

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ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities

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