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AN ANALYSIS OF THE CHARACTERISTICS OF ASYMMETRIC VORTICES AND SIDE FORCES ON SLENDER BODIES AT HIGH ANGLE OF ATTACK USING ANAVIER-STOKES CODE

S. K. Jung 1
S. E. Je 1
M. J. Park 1
R. S. Myong 1
T. H. Cho 1
Volume & Issue: Vol. 10 No. 13 (2007) | Page No.: 5-11 | DOI: 10.32508/stdj.v10i13.2859
Published: 2007-12-31

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Copyright The Author(s) 2023. This article is published with open access by Vietnam National University, Ho Chi Minh city, Vietnam. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0) which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. 

Abstract

The asymmetric leeward-side flow-fields on slender bodies at high angle of attack are responsible for generation of side forces and phantom yaw moments at zero sideslip. A Navier-Stokes computational code is utilized for the investigation of mechanisms leading to the appearance of asymmetric vortices. In addition, the steady side force behavior at different roll orientation of the tip is examined for the purpose of identifying the source of vortex flow asymmetries.

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