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Numerical Simulation and Validation of Pulse Detonation Engine on Ejector Mode
Author(s): 
Pages: 645-650
Year: Issue:  4
Journal: JOURNAL OF AEROSPACE POWER

Keyword:  航空、航天推进系统脉冲爆震发动机非稳态引射数值模拟多循环;
Abstract: 针对脉冲爆震发动机地面启动问题,采用非稳态二维轴对称数值模拟的方法对多循环火箭式脉冲爆震发动机引射模态,即爆震管加直管引射器的引射过程进行了研究.同时通过爆震引射的实验获得引射比作为比较参数.引射比的计算结果与实验数据基本吻合.提出了爆震非稳态引射的3个阶段和相应的3种作用机制即:激波的压缩加速;射流卷吸;惯性和压差作用,并为下一步主爆震管燃油喷注位置提供了设计依据.
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