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Journal of Projectiles, Rockets, Missiles and Guidance >

2019 , Vol. 39 >Issue 4: 50 - 56

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2019.04.013

Research on Aerodynamic Characteristic of SpinningProjectile in Coning Motion

  • PANG Chuanbo 1 ,
  • KANG Shun 1 ,
  • ZHAO Chao 2 ,
  • JIANG Shengju 1 ,
  • DANG Mingli 1
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  • 1 Xi'an Modern Control Technology Research Institute, Xi'an 710065, China
  • 2 Xi'an Flight Automatic Control Research Institute, AVIC, Xi'an 710065, China

Received date: 2018-10-30

  Online published: 2025-05-19

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Abstract

In order to explore the flow field variation of movements like precession and nutation of a rotating projectile, a mathematic description for CFD methods of multi-axes angular motion has been proposed according to its two-circle motion characteristics, the flow-field distribution around Basic Finner in conical motion is obtained by solving unsteady Navier-Stokes equations with the given expressions. The result shows that the regulation of periodic variation of aerodynamic force in different phases changes during conical motion. The flow separation at tail is more obvious. As the angular velocity and total angle of attack increases, the surface pressure distribution at different phases becomes more complicated.

Key words： rotary projectile; cone motion; nutation; Magnus effect

Cite this article

PANG Chuanbo , KANG Shun , ZHAO Chao , JIANG Shengju , DANG Mingli . Research on Aerodynamic Characteristic of SpinningProjectile in Coning Motion[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2019 , 39(4) : 50 -56 . DOI: 10.15892/j.cnki.djzdxb.2019.04.013

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