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

1 1998

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Experimental investigation of vortex separated flows around canard-wing-tail configurations at high angles of attack

Artamonova L., Radzig A., Semenchikov N.

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

1998

nr 8

47-52

The experimental investigations of vortex separated flows around oversimplified canard-wing-tail configurations are presented. The experiments were carried out at high angles of attack up to 40 degrees and free stream velocity V[infinity]= 37 m/s. The local flow parameters were measured for numerous points in various flow cross-sections near configurations. The integral forces and moments acting on configurations were determined also. The regions of strong interactions of vortex flows canard and wing-tail combinations with and without strakes had been discovered. It was showed that lifting performance of canard-wing-tail configurations are improved at high angles of attack by the displacement of surfaces in special manner.