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Optically interrogated, microfabricated wall shear stress sensor

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5 Author(s)
Sullivan, D.J. ; Res. Support Instrum., Inc., Hopewell, NJ, USA ; Kline, J.F. ; Salamon, M. ; Zaidi, Sohail
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A microfabricated optically-interrogated wall shear stress sensor has been developed which will allow for accurate measurement of the shear stress distribution present on aerodynamic surfaces. The application of shear stress results in a change in the reflectivity of the surface of the sensor which provides a direct measurement of local shear stress distribution. The operation of the sensor has been experimentally verified in both subsonic and supersonic flow regimes. The experimental set-up used to validate its performance is described, and experimental data is presented.

Published in:

Sensors, 2011 IEEE

Date of Conference:

28-31 Oct. 2011