制导飞行器红外辐射特性仿真研究  

Simulation Research on Infrared Radiation Characteristics of Guided Aircraft

作　　者：王浩 徐顶国 WANG Hao;XU Ding-guo(National Key Laboratory of Land and Air Based Information Perception and Control,Xi′an 710065,China;Xi′an Modern Control Technology Research Institute,Xi′an 710065,China)

机构地区：[1]陆空基信息感知与控制全国重点实验室,陕西西安710065 [2]西安现代控制技术研究所,陕西西安710065

出　　处：《红外》2025年第4期1-10,共10页Infrared

摘　　要：红外辐射特性是研究制导飞行器隐身技术的重要内容。以AGM-88高速反辐射制导飞行器为例,开展制导飞行器全弹红外辐射特性仿真分析研究。利用雷诺平均湍流模型开展流场仿真计算,采用离散传递法更加准确地进行超声速流场红外辐射特性仿真,并对比了不同工况下的红外辐射特性。结果表明,来流马赫数对弹体温度和红外辐射强度具有重要影响。随着来流马赫数的增加,红外辐射强度显著增大,最高可达400 W/Sr以上。红外辐射亮度最大的部件为发动机区域形成的高温、低压、低速回流区(最高可达180 W/m^(2)以上)。弹体端头、弹翼和舵面区域的压力和温度相对较高,红外辐射亮度相对较大。本研究可以为制导飞行器目标探测和结构隐身优化设计提供有力支撑。Infrared radiation characteristics are an important part of studying the stealth technology of guided aircraft.Taking the AGM-88 high-speed anti-radiation guided aircraft as an example,a simulation and analysis study on the entire infrared radiation characteristics of the guided aircraft is carried out.The Reynolds-averaged turbulence model is used to carry out flow field simulation calculations,and the discrete transfer method is used to more accurately simulate the infrared radiation characteristics of the supersonic flow field.Then,the infrared radiation characteristics under different working conditions are compared.The results show that the Mach number of the incoming flow has an important influence on the temperature and infrared radiation intensity of the missile body.With the increase of the incoming flow Mach number,the infrared radiation intensity increases significantly,reaching a maximum of more than 400 W/Sr.The component with the largest infrared radiation brightness is the high-temperature,low-pressure,and low-speed reflow zone formed in the engine area,and the infrared radiation brightness can reach a maximum of more than 180 W/m^(2).The pressure and temperature of the missile body head,wing and rudder area are relatively high,and the infrared radiation brightness is relatively large.This study can provide strong support for target detection and structural stealth optimization design of guided aircraft.

关 键 词：制导飞行器 隐身技术 目标特性 红外辐射特性 离散传递法 

分 类 号：V231.1[航空宇航科学与技术—航空宇航推进理论与工程]