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AbstractSpecially-developed Polyvinylidene Fluoride film sensors were used to measure the unsteady surface pressure on a small-scale marine propeller. Pressure response of the propeller blades to a spatially-varying-mean axial velocity flowfield was measured. Raw data were corrected for the thermally-induced sensor output in the nominally stratified flow with the aid of a blade-mounted constant-current...
AbstractThe design and calibration of a unique thin unsteady pressure sensor for use on small-scale marine propellers is presented. The Polyvinylidene Fluoride film-based sensor incorporates a miniature interface circuit suitable for use where space is a premium. Sensitivity of the sensor is comparable to high-quality microphones. Calibration is performed using an acoustic source and an industry-standard...
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