激光技术及其在会聚冲击波稳定性中的分析与研究  

Analysis and study of stability of converging chock waves on laser technology

作　　者：李田泽[1] 王生德[2] 申晋[1] 

机构地区：[1]山东理工大学电气与电子工程学院,淄博255049 [2]郑州大学信息工程学院,郑州450052

出　　处：《应用激光》2006年第2期113-115,136,共4页Applied Laser

基　　金：山东省教育厅基金(J05C51);山东理工大学基金(2004KJM13)资助

摘　　要：本文简要阐述激光干涉度量术的原理及其会聚冲击波的特点,在此基础上,利用激光干涉技术设计了一种用于观测圆柱形冲击波的干涉仪,观测了会聚圆柱形冲击波不稳定性的全过程,得到了清晰的干涉图像,并对该测试系统获得的实验干涉图、圆柱形冲击波的畸变、弯曲部位和压力分布的影响分析以及此测量过程所产生的马赫盘作了细致分析讨论。最后给出了关于会聚冲击波的三相点、随机的马赫数以及尖峰点等几个重要结论。In this paper, principle of modern holographic interfering technology and characteristics of the converging cylindrical shock waves are introduced. A modern holographic interferometer is designed using modern holographic interfering technology. The system and gets visualizes the instability of the converging cylindrical shock waves, sequential interferograms are show. Experimental interferograms and distortion of cylindrical shock waves, and experimental Mach disk are analyzed and discussed carefully. A few important conclusions are proposed on three-phase dots of converging cylindrical shock waves and Mach number of stochastic ,and the shock Math number distributions along the outer and inner wails show several peaks.

关 键 词：干涉仪 冲击波 稳定性 马赫反射 尖峰点 激光技术 

分 类 号：TH744.3[机械工程—光学工程] TN24[机械工程—仪器科学与技术]