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Journal of Projectiles, Rockets, Missiles and Guidance >

2024 , Vol. 44 >Issue 2: 51 - 56

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2024.02.008

Influence of Booster on Aerodynamic Characteristics and Stability of Cruise Missile

  • ZHANG Yang ,
  • JIANG Shengju ,
  • TONG Jing ,
  • SHI Yongbin ,
  • BU Yuepeng
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  • Xi’an Modern Control Technology Research Institute, Xi’an 710065, Shaanxi, China

Received date: 2023-02-23

  Online published: 2024-12-28

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Abstract

In response to the influence of the shape of the booster separation chamber on the aerodynamic characteristics and static stability of cruise missiles, this article analyzes the mechanism of improving aerodynamic characteristics and stability by studying the stern contraction ratio and the shape design of the separation chamber, and forms the design concept of "increasing the stern contraction ratio and refine the curvature". The results indicate that the stern contraction ratio is the main factor affecting flow and aerodynamic characteristics. Increasing the stern contraction ratio can effectively reduce the area of local separation and improve flow conditions, which can reduce 1.5%~2% zero lift drag coefficient and improve 1%~3% longitude static stability. Under a specific stern contraction ratio, the curve transition between the stern and the propulsion separation chamber has a certain improvement effect on resistance characteristics and static stability.

Key words： booster; aerodynamic characteristics; stability; inverse pressure gradient

Cite this article

ZHANG Yang , JIANG Shengju , TONG Jing , SHI Yongbin , BU Yuepeng . Influence of Booster on Aerodynamic Characteristics and Stability of Cruise Missile[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2024 , 44(2) : 51 -56 . DOI: 10.15892/j.cnki.djzdxb.2024.02.008

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