中国激光, 1993, 20 (11): 837, 网络出版: 2007-12-07  

火箭燃气射流中颗粒衍射散射对莫尔偏折图的影响

The effect of diffracted scattering of particles in rocket exhausted jet on moire deflectogram
作者单位
1 南京理工大学应用物理系, 南京 210014
2 江苏工学院, 镇江 212013
摘要
本文根据Fourier光学和衍射散射理论分析了火箭燃气射流中Al2O3颗粒衍射散射对莫尔偏折图的影响,从实验上研究了Al2O3颗粒衍射散射造成莫尔条纹模糊的现象。实验结果表明,对Al粉含量较低(3%~8%)的固体推进剂,莫尔偏折法能够用于其燃气射流场的显示。
Abstract
In this paper, the theory of Fourier optics and diffracted scattering are used to analysis the effect of diffracted scattering of particles A12O3 in real rocket exhausted jet on the moire deflectogram. The phenomenon of moire fringes confusion caused by the diffracted scattering of particles A12O3 is studied experimentally. The results show that for the solid propellant of containg Al powder of 3-8%, the flow field of its rocket exhausted jet can be visualized with moire deflectometry.

阎大鹏, 贺安之, 李开明, 王海林, 苗鹏程, 王亚伟. 火箭燃气射流中颗粒衍射散射对莫尔偏折图的影响[J]. 中国激光, 1993, 20(11): 837. 阎大鹏, 贺安之, 李开明, 王海林, 苗鹏程, 王亚伟. The effect of diffracted scattering of particles in rocket exhausted jet on moire deflectogram[J]. Chinese Journal of Lasers, 1993, 20(11): 837.

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