大速差射流装置对固体粉末冲压发动机燃烧性能的影响分析
Zhongguo kexue（2015）
Abstract
采用颗粒轨道模型对固体粉末冲压发动机的两相流场进行了三维数值模拟,研究了大速差射流稳燃装置对发动机掺混燃烧性能的影响.计算结果表明,大速差射流稳燃装置提高了粉末燃料与空气的掺混程度,同时增大了粉末燃料在发动机中的停留时间,大幅度提高了粉末冲压发动机的燃烧效率,发动机燃烧效率达到89.3％.
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Key words
powder fuel ramjet,big difference-jet,numerical simulation,boron particle combustion
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