Dynamic Calibration of a Shear Stress Sensor using Stokes Layer Excitation – AIAA Jun 2001

The design and implementation of a novel dynamic calibration technique for shear-stress sensors is presented. This technique uses the oscillating wall shear stress generated by a traveling acoustic wave as a known input to the shear-stress sensor. A silicon-micromachined, floating-element shear-stress sensor has been dynamically calibrated up to 4 kHz using this method. These data represent the first broadband, experimental verification of the dynamic response of a shear-stress sensor.

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