头部鼓包对不同截面机身侧力影响研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (4): 833-838.

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Study of Effects of Bumps on Forebodies with Different Sections on Side Force

ZENG You-bing,LU Zhi-yong,YIN Xian-feng

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics

Received:2006-06-07 Revised:2006-12-29 Online:2007-07-10 Published:2007-07-10
Contact: ZENG Youbing

Abstract

Abstract:

When a fighter aircraft or missile flies at high angle of attack(AOA),asymmetric vortexes are produced from the forebody and induce strong side force and yawing moment. In order to reduce the side force and yawing moment by controling the asymmetric vortexes, the effects of bumps on the forebodies are investigated. Tests with force measurement in a wind tunnel and with flow visualization in a water tunnel are performed.

Key words: bump, , different , sections, , asymmetric , vortex, , side , force, , yaw , control

CLC Number:

V211.4

ZENG You-bing;LU Zhi-yong;YIN Xian-feng. Study of Effects of Bumps on Forebodies with Different Sections on Side Force[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(4): 833-838.

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Study of Effects of Bumps on Forebodies with Different Sections on Side Force

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