先进战斗机武器内埋发展趋势与关键气动问题  

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

作　　者：金鑫[1,4] 杨党国[2,3] 蔡广平[1] 吴继飞 徐来武[3] 刘付生[2,3] JIN Xin;YANG Dangguo;CAI Guangping;WU Jifei;XU Laiwu;LIU Fusheng(Chengdu Aircraft Design&Research Institute,Aviation Industry Corporation of China,Chengdu 610091,China;State Key Laboratory of Aerodynamics,China Aerodynamics Research and Development Center,Mianyang 621000,China;High Speed Aerodynamics Institute,China Aerodynamics Research and Development Center,Mianyang 621000,China;School of Aerospace Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]中国航空工业集团成都飞机设计研究所,成都610091 [2]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 [3]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 [4]清华大学航天航空学院,北京100084

出　　处：《空气动力学学报》2022年第3期152-159,I0003,共9页Acta Aerodynamica Sinica

基　　金：国家自然科学基金(11732016,11972360,52130603)。

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。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-flowinduced 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：战斗机 内埋武器舱 空腔 气动性能 振动与噪声 

分 类 号：V211.5[航空宇航科学与技术—航空宇航推进理论与工程]