FORCE MEASUREMENTS AND ESTIMATION BASED ON DPIV DATA FOR A PLUNGING FLAT PLATE

Emre TURAM, Onur PACA, Idil FENERCIOGLU and Oksan CETINER

Simultaneous Force/Torque and quantitative velocity measurements are performed in a water channel for a sinusoidally plunging flat plate model. The flow structures in the near wake of the plunging flat plate are first addressed qualitatively using DPIV results and then direct force measurement results are taken into consideration for drag/thrust production. Forces acting on the plunging flat plate are also estimated using DPIV data. The added-mass force acting on the plunging flat plate is analytically calculated and considered for the efficiency of the flapping.

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