24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-2.4.5

NUMERICAL SIMULATION OF A DELTA WING WITH VORTEX BREAKDOWN USING THE LATTICE BOLTZMANN METHOD

T. Imamura, K. Suzuki*, T. Nakamura
Japan Aerospace Exploration Agency, Institute of Space Technology and Aeronautics, Japan; * University of Tokyo, Department of Advanced Energy, Japan

Keywords: Vortical Flow, Delta Wing, Lattice Boltzmann Method

In this paper, a multi-block version of the three-dimensional code was constructed. Flow around a delta wing with a sweep angle of 76 deg is solved. Well known flow structures around delta wing, such as separation line on the upper surface, vortex breakdown phenomenon are simulated by the current code.

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