MEMS高温梯度传感器，用于高湍流中表面摩擦测量

2019 IEEE SENSORS Pub Date : 2019-10-01 DOI:10.1109/SENSORS43011.2019.8956802

C. Ghouila-Houri, A. Talbi, R. Viard, Q. Gallas, E. Garnier, P. Molton, J. Delva, A. Merlen, P. Pernod

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引用次数: 9

摘要

本文介绍并讨论了MEMS高温梯度传感器在高湍流中测量时均和波动表面摩擦的结果。微传感器设计为坚固的壁挂式悬挂热线结构，具有低功耗、高温度变化的特点。该传感器成功地在两个空气风洞中进行了测试，测试的速度高达270米/秒，这是客机巡航飞行的平均速度，对应的剪切应力为150帕。微传感器因此显示了其在空气动力学应用，特别是在航空测量湍流的价值。

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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MEMS high temperature gradient sensor for skin-friction measurements in highly turbulent flows

This paper presents and discusses the results obtained with a MEMS high temperature gradient sensor for time-averaged and fluctuating skin-friction measurements in highly turbulent flows. Designed as a robust wall-mounted suspended hot-wire structure, the micro-sensor showed a high temperature variation for low power consumption. Successfully implemented into two air wind tunnels, the sensor was tested for velocities going up to 270 m/s, mean velocity of airliner cruise flights, and corresponding to a shear stress of 150 Pa. The microsensor thereby demonstrated its value for measuring turbulence in aerodynamic applications, particularly in aeronautics.

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2019 IEEE SENSORS

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