用表面热线和薄膜计测量层流和湍流剪应力

ICIASF '95 Record. International Congress on Instrumentation in Aerospace Simulation Facilities Pub Date : 1995-07-18 DOI:10.1109/ICIASF.1995.519111

E. Savory, L. Gaudet, N. Toy

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引用次数: 1

摘要

本文的工作是比较简单的微型热线计和市售的表面热膜在层流和湍流条件下测量风洞模型表面表面摩擦的性能。结果表明，线规是对流量响应更敏感的装置，同时也是两种仪表中更坚固的一种。此外，由于25 /spl mu/m厚的聚合物衬底的粗糙度效应降低了膜计传感器的响应。

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Laminar and turbulent shear stress measurement using surface hot-wire and film gauges

The work presented is a comparison between the performances of simple miniature hot-wire gauges and commercially available surface hot-films for measuring surface skin friction on wind tunnel models under laminar and turbulent flow conditions. It is shown that the wire gauge is the more sensitive device in terms of response to the flow whilst, at the same time, being the more robust of the two gauges. In addition, the roughness effects due to the 25 /spl mu/m thick polymer substrate reduce the film gauge sensor response.

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ICIASF '95 Record. International Congress on Instrumentation in Aerospace Simulation Facilities

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