Key aerodynamic issues and development tendency of internal weapons bay of advanced fighters

JIN Xin; YANG Dangguo; CAI Guangping; WU Jifei; XU Laiwu; LIU Fusheng

doi:10.7638/kqdlxxb-2022.0060

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Key aerodynamic issues and development tendency of internal weapons bay of advanced fighters

更新时间：2026-05-28

- Key aerodynamic issues and development tendency of internal weapons bay of advanced fighters
- Vol. 40, Issue 3, Pages: 152-159(2022)
- 作者机构：
  
  1. 中国航空工业集团成都飞机设计研究所,成都,610091
  2. 清华大学航天航空学院,北京,100084
  3. 中国空气动力研究与发展中心空气动力学国家重点实验室,绵阳,621000
  4. 中国空气动力研究与发展中心高速空气动力研究所,绵阳,621000
- 作者简介：
- 基金信息：
- DOI：10.7638/kqdlxxb-2022.0060
  CLC： V211.5
- Published：2022
- 稿件说明：
移动端阅览
金鑫, 杨党国, 蔡广平, 等. 先进战斗机武器内埋发展趋势与关键气动问题[J]. 空气动力学学报, 2022, 40(3): 152−159.

JIN Xin, YANG Dangguo, CAI Guangping, et al. Key aerodynamic issues and development tendency of internal weapons bay of advanced fighters[J]. 2022, 40(3): 152-159.
金鑫, 杨党国, 蔡广平, 等. 先进战斗机武器内埋发展趋势与关键气动问题[J]. 空气动力学学报, 2022, 40(3): 152−159. DOI： 10.7638/kqdlxxb-2022.0060

JIN Xin, YANG Dangguo, CAI Guangping, et al. Key aerodynamic issues and development tendency of internal weapons bay of advanced fighters[J]. 2022, 40(3): 152-159. DOI： 10.7638/kqdlxxb-2022.0060.

摘要

紧盯未来先进战斗机研制需求和发展趋势，详细分析了武器内埋技术在提高飞机战技指标和综合性能方面的优势，并介绍了国内外在先进战斗机武器内埋技术方面研究的基本情况和遇到的一些具体问题，归纳总结了内埋武器舱空腔复杂流动机理、流声振多场耦合问题研究的现状和关键技术难点；从内埋武器舱系统研制设计要求出发，梳理了先进战斗机内埋武器系统研制面临的关键气动问题和空腔类构型流致振动与噪声问题的主要特征，着重分析了内埋武器舱复杂流动机理、振动与噪声问题、数值仿真方法、风洞测试技术和流固声多场耦合控制技术难点，指出了下一步需要突破的关键技术难点和研究重点，为准确把握先进战斗机内埋武器系统关键气动问题和开展相关问题研究提供借鉴和指导。

Abstract

Internal weapons bay can considerably improve the overall aerodynamic performance of advanced fighters. However

during the bomb dropping

the structural vibration and aerodynamic noise induced by flow fields around internal weapons bay will significantly undermine fighters' safety. This paper first briefly introduces the development of internal weapons bay and summarizes related research regarding cavity-flow-induced vibrations and aerodynamic noise. Later

design requirements for internal weapons bay are proposed based on a systematic analysis of the complex cavity flows related to internal weapons bay. At last

critical technical difficulties and some future research directions are discussed after a thorough study of flow mechanism

numerical simulation methods

wind test techniques

and control strategies for fluid-structure-noise coupled systems. This paper is helpful to the understanding of vital aerodynamic issues related to internal weapons bay. It also provides research directions to the cavity-flow-induced noise and vibrations.

关键词

Keywords

references

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