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1 Research Bulletin / Warsaw University of Technology, Institute of Aeronautics and Applied Mechanics

1 2001

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Recent computational and experimental metods for study pressure distribution over the propeller blades

Pesetskay N., Pesetsky V.

Research Bulletin / Warsaw University of Technology, Institute of Aeronautics and Applied Mechanics

2001

nr 12

35-38

The vortex lattice method and PSP method were used in calculations of pressure distribution. The pressure distribution over the surface of rotating blades was measured in the TsAGI T-104 wind tunnel. It is an open-jet subsonic wind tunnel of 7 meters nozzle diameter with the speed varying within the range of 0-120 m/sec. The model was investigated in the whole speed range, rotating 7000 rpm at different angles of blade setting beta=15°. 22.5°. 30°, 40° (beta- angle of blade setting at the relative radius r7R=0.75). Numerical results are compared to experimental results.