尾焰红外辐射特性计算研究综述  

Overview of exhaust plume infrared radiation signatures calculation

作　　者：张术坤[1] 蔡静[1] 

机构地区：[1]中航工业北京长城计量测试技术研究所,北京100095

出　　处：《激光与红外》2010年第12期1277-1282,共6页Laser & Infrared

基　　金：中国航空工业集团公司航空基金项目(No.20092244001)资助

摘　　要：目前,尾焰的红外辐射特性计算方法非常多。虽然不同飞行目标尾焰红外辐射特性计算的复杂性有一定差别,但是其计算思路及方法很相似。给出尾焰红外辐射特性计算的基本步骤,并对每一步中使用的主要方法进行分析和比较,给出推荐的使用方法。重点讨论了液体燃料飞行目标尾焰中考虑粒子对于辐射的影响的必要性,及辐射传输方程中三种备受关注的求解方法的研究现状及特点。指出目前红外辐射计算方法中存在的问题及改进方法,为今后尾焰辐射特性计算中方法研究和改进提出建议。At present,there are many methods to compute the infrared radiation signatures of the exhausted plume.The complexity of different infrared radiation signatures for flying machines is different,but the basic steps and the methodlogy are similar.In this paper,the basic steps of infrared radiation signatures calculation of exhaust plume are summarized.We also compare and analyze the main methods of each step and offer proper suggestions.We put emphasis on taking into account the influence of particles on the plume radiation of liquid fuel flying machines.Focus is also put on the research on three solution of the radiation transmission equation.We point out the problems in the present method of computing the infrared radiation and offer the improving method.

关 键 词：尾焰 红外辐射特性 辐射传输方程 大气传输模型 

分 类 号：TN211[电子电信—物理电子学]