超声速燃烧室等离子体点火实验研究

被引:30
作者
宋文艳 [1 ]
刘伟雄 [1 ]
贺伟 [1 ]
白菡尘 [2 ]
机构
[1] 西北工业大学动力与能源学院
[2] 中国空气动力研究与发展中心
关键词
超声速燃烧冲压发动机; 超声速燃烧; 等离子体点火器; 煤油;
D O I
暂无
中图分类号
V231.2 [燃烧理论];
学科分类号
082502 ;
摘要
针对超燃冲压发动机在较低飞行M数(M0≤4)下的起动点火问题,利用氢氧燃烧加热脉冲风洞,在超声速燃烧室进口M数M=2、总温T0=960K条件下,分别采用等离子体点火器+先锋氢燃料和大功率等离子体点火器,探索了在超声速燃烧室中,实现煤油点火和稳定燃烧的方法。采用等离子体点火、凹槽火焰稳定器和从壁面喷射燃料方式,实现了煤油的可靠点火和稳定燃烧。研究表明,在燃烧室进口M=2、总温T0=960K时,采用大功率等离子体点火器,不需要先锋燃料,可以直接点燃煤油。
引用
收藏
页码:20 / 24
页数:5
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