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燃烧驱动溴化氢化学激光器的数值模拟

Numerical Simulation of Combustion Driven HBr Chemical Lasers

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摘要

采用敏感性分析方法研究了溴化氢(HBr)化学激光器的反应机理,分析了主导反应和关键参数之间的关系。分析了温度、压力及关键中间物的敏感性系数,确定了温度对HBr不同振动态布居的有效性调控。利用计算流体力学(CFD)研究了HBr化学激光增益发生器,给出了流场内部的温度、浓度分布。结果表明:当HBr化学激光器的内部初始反应温度在500 K左右时,能获得高振动态的输出。

Abstract

In order to identify the relationship between main reaction and key parameters, we use the sensitivity analysis method to study the reaction mechanism of HBr chemical laser. The sensitivity coefficients of temperature, pressure and key intermediate product are analyzed, and the effectiveness of temperature on controlling the distribution of HBr is confirmed. A gain generator of HBr chemical laser is studied by computational fluid dynamics, and the distributions of temperature and concentration are given, respectively. The research results show that high vibrational state is obtained at the initial temperature of 500 K.

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中图分类号:TN248.5

DOI:10.3788/cjl201845.1101004

所属栏目:激光器件与激光物理

基金项目:国家自然科学基金(21573218)、中国科学院战略性先导科技专项(B类)资助(XDB17010300)

收稿日期:2018-05-22

修改稿日期:2018-06-21

网络出版日期:2018-06-26

作者单位    点击查看

李辉:中国科学院大连化学物理研究所化学激光重点实验室, 辽宁 大连 116023中国科学院大学, 北京 100049
范庭轩:南京大学化学化工学院, 江苏 南京 210023
贾淑芹:中国科学院大连化学物理研究所化学激光重点实验室, 辽宁 大连 116023
李留成:中国科学院大连化学物理研究所化学激光重点实验室, 辽宁 大连 116023
怀英:中国科学院大连化学物理研究所化学激光重点实验室, 辽宁 大连 116023

联系人作者:李辉(lihui07@dicp.ac.cn); 怀英(huaiying@dicp.ac.cn);

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引用该论文

Li Hui,Fan Tingxuan,Jia Shuqin,Li Liucheng,Huai Ying. Numerical Simulation of Combustion Driven HBr Chemical Lasers[J]. Chinese Journal of Lasers, 2018, 45(11): 1101004

李辉,范庭轩,贾淑芹,李留成,怀英. 燃烧驱动溴化氢化学激光器的数值模拟[J]. 中国激光, 2018, 45(11): 1101004

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