子母弹舱门分离的安全特性及流场机理研究

张蛟龙; 李喜喜; 陈苗; 张翱; 刘进波; 周敏超

doi:10.15918/j.tbit1001-0645.2025.099

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子母弹舱门分离的安全特性及流场机理研究

工程力学 | 更新时间：2026-04-18

- 子母弹舱门分离的安全特性及流场机理研究
- Study on Safety Characteristics and Flow Field Mechanisms of Cluster Munition Bay Door Ejection
- 北京理工大学学报 2026年46卷第4期页码：406-415
- 作者机构：
  
  四川航天系统工程研究所,四川,成都,610100
- 作者简介：
  
  [ "张蛟龙（1987—），男，博士，工程师，E-mail：1027495905@qq.com" ]
- 基金信息：
  
  国家部委重点研制项目（XXX060）
- DOI：10.15918/j.tbit1001-0645.2025.099
  中图分类号： V211;O35
- 纸质出版：2026
- 稿件说明：
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张蛟龙, 李喜喜, 陈苗, 张翱, 刘进波, 周敏超. 子母弹舱门分离的安全特性及流场机理研究[J]. 北京理工大学学报自然版, 2026, 46(4): 406-415.

ZHANG Jiaolong, LI Xixi, CHEN Miao, et al. Study on Safety Characteristics and Flow Field Mechanisms of Cluster Munition Bay Door Ejection[J]. 2026, 46(4): 406-415.
张蛟龙, 李喜喜, 陈苗, 张翱, 刘进波, 周敏超. 子母弹舱门分离的安全特性及流场机理研究[J]. 北京理工大学学报自然版, 2026, 46(4): 406-415. DOI： 10.15918/j.tbit1001-0645.2025.099.

ZHANG Jiaolong, LI Xixi, CHEN Miao, et al. Study on Safety Characteristics and Flow Field Mechanisms of Cluster Munition Bay Door Ejection[J]. 2026, 46(4): 406-415. DOI： 10.15918/j.tbit1001-0645.2025.099.

摘要

以多瓣式舱门及母弹为研究对象，采用SST

k-ω

湍流模型，结合重叠网格和动网格技术，研究了舱门质心位置、气动外形对分离特性的影响，同时采用流场拓扑分析，研究了影响分离安全性的流场物理机理. 结果表明，质心前移能有效提高舱门分离的安全性，舱门内侧设计隔板能改变流场中焦点、结点等流场拓扑，避免诱导气流直接冲击舱门后缘，有利于舱门前缘外翻. 通过定量分析发现，增加隔板结构舱门侧边涡强度变化远小于无隔板舱门，有效抑制了舱门分离过程中的涡破裂，保证了舱门姿态变化的连续性.

Abstract

Taking the multi-petal door and the carrier munition as research subjects

employing the SST

k-ω

turbulence model combined with overset grid and dynamic mesh techniques

the influence of door centroid position and aerodynamic configuration on ejection characteristics was investigated. Concurrently

flow field topology analysis was utilized to reveal the underlying physical mechanisms governing separation safety within the flow field. The results demonstrate that a forward centroid shift significantly enhances separation safety; the incorporation of internal baffles on the door alters critical flow topology elements (e.g.

foci

nodes) within the flow field

which prevents direct impingement of induced airflow on the door

trailing edge

facilitating outward rotation of the door leading edge. Quantitative analysis reveals that the variation in vortex intensity along the baffled door edges is markedly smaller than that of the unbaffled configuration

which effectively suppresses vortex breakdown during separation

ensuring continuous attitude evolution.

关键词

Keywords

references

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