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弹箭与制导学报 >

2010 , Vol. 30 >Issue 6: 159 - 161

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2010.06.025

弹道与气动力技术

超音速大攻角子弹药气动特性数值研究

  • 完颜振海 ,
  • 冯顺山 ,
  • 董永香 ,
  • 李顺平
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  • 北京理工大学爆炸科学与技术国家重点实验室,北京 100081

完颜振海(1985-),男,河南商丘人,博士研究生,研究方向:伞弹气动特性及弹道。

收稿日期: 2010-04-20

  网络出版日期: 2025-05-28

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Numerical Study of Supersonic High Angle-of-attack Aerodynamic Characteristics of Submunition

  • WANYAN Zhenhai ,
  • FENG Shunshan ,
  • DONG Yongxiang ,
  • LI Shunping
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  • State Key Laboratory of Explosion Science and Technology, BIT, Beijing 100081, China

Received date: 2010-04-20

  Online published: 2025-05-28

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摘要

子弹药从母弹中抛出时受诸多因素影响会发生翻转,其外弹道设计和计算需要研究其在大攻角情况下的气动特性。采用激波捕捉型和激波装配型两种网格,基于有限体积法求解积分形式的Navier-Stokes方程,使用可实现k-ɛ湍流模型封闭方程,对子弹药进行稳态数值模拟。得到其零升阻力系数随马赫数的分布规律,及马赫数为1.5时全攻角范围内的气动系数分布规律,使用数值纹影法显示流场特性随攻角的变化情况,结果采用MissileDatcom验证。

关键词： 气动特性; 子弹药; 超音速; 大攻角; 计算流体力学

本文引用格式

完颜振海 , 冯顺山 , 董永香 , 李顺平 . 超音速大攻角子弹药气动特性数值研究[J]. 弹箭与制导学报, 2010 , 30(6) : 159 -161 . DOI: 10.15892/j.cnki.djzdxb.2010.06.025

Abstract

Submunition will overturn when dispersed by clusters due to many factors. Design and calculation of such submuniton need to study its high angle-of-attack aerodynamic characteristics. Shock-capture and shock-fit grids were adopted to the numerical analysis of submunition. Based on control volume method, the simulation uses the realizable k-ɛ turbulence equations to complete the governing equations. The zero-attack drag characteristics of the submunition as a function of Mach numbers is given as well as aerodynamic characteristics between 0°~180° angle of attack when Mach number is 1.5. The results approximate to Missile Datcom.

Key words： aerodynamic characteristics; submunition; supersonic; high angle-of-attack; CFD

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