【摘 要】
：
用自行设计激波管点火测试技术,实验研究了温度范围760～1380 K间入射激波诱导下环氧丙烷的点火机理.利用激波管压力传感器测定了H*(486.1)和O(470.5nm)随激波诱导强度变化的点
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用自行设计激波管点火测试技术,实验研究了温度范围760～1380 K间入射激波诱导下环氧丙烷的点火机理.利用激波管压力传感器测定了H*(486.1)和O(470.5nm)随激波诱导强度变化的点火时间特征.实验结果表明:在低马赫数下氢氧自由基出现时间较接近,1.5～2.5马赫间随激波诱导强度增大而线性减小；而马赫大于2.5后,氧自由基的出现时间迅速减小,是由于高活化能的氧自由基的点火时间对强激波较敏感,而诱导强度大于3.5马赫后对两者点火影响区别就下明显了.实验数据将有益于含能材料点火时间的研究.
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