等离子体增强含硼燃气二次燃烧实验分析

发布时间：2018-01-02 11:16

本文关键词：等离子体增强含硼燃气二次燃烧实验分析　出处：《航空学报》2016年09期 　论文类型：期刊论文

【摘要】：为研究等离子体助燃条件下含硼燃气在补燃室的二次燃烧特性,建立了排除来流空气掺混效应的扩散燃烧实验模型。利用高速摄影仪拍摄了含硼燃气在补燃室的火焰照片,得到了有无等离子体条件下的燃烧火焰形貌;测量了补燃室不同截面的静压和总压,分析了有无等离子体条件下含硼推进剂在固冲发动机中的燃烧效率。实验结果表明:在含硼燃气二次燃烧过程中加入等离子体炬,等离子体炬后方区域火焰更加明亮,硼燃烧更加充分;断开等离子体炬后,补燃室静压和总压出现压力突降台阶,说明加入等离子体后可以加快化学反应速率,提高含硼燃气在固冲发动机中的燃烧效率,从而提高了补燃室的压强;且放电功率越高,含硼燃气在固冲发动机中燃烧效率的增长率越高。
[Abstract]:Study on boron plasma assisted combustion conditions of gas in the two combustion characteristics of the combustion chamber, a flow of air out diffusion mixing effect combustion experiment model. Taking boron containing gas in the combustion chamber flame photos using high-speed camera are obtained under the conditions of the plasma flame morphology; afterburning chamber and hydrostatic pressure in different section of the total pressure measurement, analysis with and without boron under plasma conditions in solid propellant combustion efficiency of the engine. At the experimental result shows that the plasma torch in two primary combustion of boron containing gas in the process of the plasma torch rear area of flame combustion of boron is more bright, more fully broken; a plasma torch, static pressure and total pressure of afterburning chamber pressure plunge steps, that can speed up the rate of chemical reaction with plasma, improve the boron containing gas in the combustion efficiency of Guchong engine, from The higher the pressure of the combustion chamber, the higher the discharge power, the higher the growth rate of the combustion efficiency of the boron containing gas in the solid punching engine.

【作者单位】：装备学院激光推进及其应用国家重点实验室;西北工业大学燃烧热结构与内流场重点实验室;
【基金】：国家自然科学基金(11372356)~~
【分类号】：V430
【正文快照】： 网络出版地址:www.cnki.net/kcms/detail/11.1929.V.20160131.1257.010.html引用格式:张鹏,洪延姬,丁小雨,等.等离子体增强含硼燃气二次燃烧实验分析[J].航空学报,2016,37(9):2721-2728.ZHANG P,HONG Y J,DING X Y,et al.Experimental analysis on plasma assisted secondary

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