Investigation on the flow control of micro-vanes on asupersonic spinning projectile

Studies have shown that micro-wedge vortex generators （MVG） can effectively control the flow separation of supersonic boundary layer. Inorder to improve the flight stability of spinning projectile, the original standard 155 mm projectile was taken as an example, and the micro-vaneswere mounted at th...

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Published in:Defence Technology（防务技术） 2016 (3), p.227-233
Main Author: Jie MA Zhi-hua CHEN Zhen-gui HUANG Jian-guo GAO Qiang ZHAO
Format: Article
Language:Chinese
Subjects:
Aerodynamic
characteristics
control
Fluid
Micro-vane
projectile
Spinning
Stability
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description Studies have shown that micro-wedge vortex generators （MVG） can effectively control the flow separation of supersonic boundary layer. Inorder to improve the flight stability of spinning projectile, the original standard 155 mm projectile was taken as an example, and the micro-vaneswere mounted at the projectile shoulder to investigate the separation control on the aerodynamic characteristics of projectile. Numericalsimulations were performed with the use of DES method for the flow fields of projectiles with and without micro-vanes, and the characteristicsof the boundary layer structures and aerodynamic data were compared and discussed. Numerical results show that the micro-vanes can be used toinhibit separation of fluid on projectile surface, and improve the flight stability and firing dispersion of projectile.
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subjects Aerodynamic
characteristics
control
Fluid
Micro-vane
projectile
Spinning
Stability
title Investigation on the flow control of micro-vanes on asupersonic spinning projectile
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