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Real-Time Laser-Based Detection of Chemical Intermediate Formation in LiquidPropellant XM46 Shock-Loaded via an Electric Gun

机译：实时激光检测液体推进剂Xm46中的化学中间体形成通过电子枪冲击加载

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This report describes the development and results of an experiment designed toobtain real-time spectroscopic evidence of chemical intermediate formation in shock loaded liquid propellant (XM46). Shock loads were produced by impacting small (<1 cu cm) XM46 samples with thin (0.075-0.375 mm) Mylar flyer plates. The flyer plates were accelerated to velocities near 1 mm/microsec by the expansive forces of an exploding foil, a technique referred to as an 'electric gun.' A detailed description of the design of the gun developed for this study is provided. The performance of the apparatus was characterized in visualization experiments and via CTH (hydrocode) simulations. In spectroscopy experiments, the XM46 samples were probed at various delays following impact via laser-induced Raman scattering and fluorescence. A signature that may be attributable to NO2 was observed, but cavitation was induced ahead of the shock wave, limiting our ability to establish the role of chemical intermediate formation in the shock-induced initiation of XM46. Issues in configuring experiments to detect chemical intermediate formation in shock loaded samples via real-time, optically based spectroscopies are discussed.

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McQuaid, M. J.; Burden, H.; Lawrence, W.;
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年度 1998
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总页数 59
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Detection; Real time; Laser applications; Shock; Chemical reactions; Liquidpropellants; Electric guns; Light scattering; Fluorescence; Gun barrels; Spectroscopy; Shock waves; Explosions; Transmission lines; Electrodes; Polymeric films; Sampling; Foils(Mat;

机译：检测;实时;激光应用;冲击;化学反应;液体推进剂;电枪;光散射;荧光;枪管;光谱学;冲击波;爆炸;传输线;电极;聚合物薄膜;取样;箔（垫）;

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Real-Time Laser-Based Detection of Chemical Intermediate Formation in LiquidPropellant XM46 Shock-Loaded via an Electric Gun

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