23rd Congress of International Council of the Aeronautical Sciences, 8-13 September, 2002, Toronto, Canada
Paper ICAS 2002-3.11.3

CLARIFICATION OF UNSTEADY CHARACTERISTICS IN SEPARATED FLOW OVER AN AXISYMMETRIC PARABOLOID AT HIGH ANGLES OF ATTACK

T. Ishide (1), N. Nishikawa (2), F. Mikami (2)
(1) Kizarazu National College of Technology, Japan; (2) Chiba University, Japan

Keywords: three dimensional separated flow , velocity fluctuation , hot wire anemometer, probability density function

The flow in the cross-flow separation region of an axisymmetric paraboloid at 30,40, and 50 deg angle of attack has been investigated experimentally by hot wire anemometer. It has been shown that the lift-off and mergence of vortices can be explained by r.m.s. distribution of velocity fluctuations.

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