Asymmetric Flow Around High-Angle-of-Attack Slender Bodies
Flow fields around slender bodies at high angles of attack are investigated both experimentally and numerically including the topological analysis. Splitting of shear layer, mergence of vortices and release of large vortex cause asymmetry of flow behind high-angle-of-attack slender bodies therefore the flow asymmetry brings asymmetric side force. Effects of several parameters such as angle of attack, Reynolds number, Mach number, small asymmetry at nose configuration and nose bluntness on flow asymmetry are discussed. It is also shown that alleviation of asymmetric side force may be possible by some devices for flow control.
Unable to display preview. Download preview PDF.
- Shirouzu, M.; Kubota, II.; Shibato, Y.: Aerodynamic Aspects on Recovery of Sounding Rocket Payload, Paper IAF-80-E-214, 1980.Google Scholar
- Keener, E•R.; Chapman, G.T.; Cohen, L.; Taleghani, J.: Side Force on a Tangent Ogive Forebody with a Fineness Ratio of 3.5 at High Angles of Attack and Mach Number from 0.1 to 0.7. NASA TM X - 3437, 1977.Google Scholar
- Lamont, P.J.: The Complex Asymmetric Flow Over a 3.5D Ogive Nose and Cylindrical Afterhody at high Angles of Attack. AIAA Paper 82–0053, 1982.Google Scholar
- Moskovitz, C.A.; Mall, R.M.; DeJarnette, F. R.: Effects of Nose Bluntness, Roughness and Surface Perturbation on the Asymmetric Flow Past Slender Bodies at Large Angles of Attack. AIAA Paper 89–2236-CP, 1989.Google Scholar
- Kawamura, T.; Kuwahara, K.: Direct Simulation of Turbulent Inner Flow by FiniteDifference-Method. AIAA Paper 85–0376, 1985.Google Scholar
- Tobak, M.; Peake, D.J.: Topology of Three Dimensional Separated Flows. Annual Rev. Fluid Mechanics., Vol. 14, No. 61 (1982).Google Scholar
- Suzuki, K.: Topology of a Computed Incompressible Three-Dimensional Separated Flow Field around a High-Angle-of-Attack Cone-Cylinder. Computers & Fluids. Vol 19, No. 3 /4 (1991) 315–334.Google Scholar
- Jia, M. Y.: A Study on Asymmetric Separated Flow over Slender Bodies at High Angles of Attack. Ph. Dissertation, University of Tokyo, 1991.Google Scholar
- Kubota, H.; Matsuzaka, M.; Watanuki, T.; Suzuki, K.: Experimental Investigations of Separated Flow Around High-Angle-of-Attack Slender Bodies. Proc. 15th Tnter. Symp. on Space Tech. and Sci. (1986) 593–598.Google Scholar