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用于激光对靶冲量测试的悬摆运动方程研究

Study on the Kinetic Equation of Pendulum Used in the Experiment of Impulse Coupling Between Laser and Target
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摘要 为研究激光与靶材相互作用过程中的冲量传递问题,提出了悬摆法和光电测速法相结合的测量方法,用于激光支持爆轰波对靶冲量耦合作用的实验测试研究。在考虑空气的影响后,建立空气阻力模型,并根据流体力学理论,得到了符合实际情况的悬摆运动方程,进而通过实验验证了摆运动方程的正确性。结果表明,该测试方法所得实验结果与M.Bass和Xijie Cai给出的实验结果基本一致。 Based on the impulse coupling process between laser and target,we presented a new method of combining pendulum with light electric tachometer,which was adopted in the experiment of impulse coupling between laser supported detonation wave and aluminum target.Considering the air friction,the actual kinetic equation of pendulum can be deduced from hydrodynamic theory when the reasonable model of air friction was found.Furthermore,the precision of the kinetic equation of pendulum was checked.Finally,comparing the experimental result from new method with experimental result from other methods,a good agreement was gotten.
作者 朱金荣 杨雁南 杨波 沈中华 陆建 倪晓武
机构地区 南京理工大学理学院
出处 《光电子技术》 CAS 2007年第3期191-194,202,共5页 Optoelectronic Technology
基金 国家自然科学基金资助项目(60578015 60208004) 教育部博士点基金(20050288025) 教育部高校优秀青年教师奖励计划资助
关键词 激光物理 激光靶 冲量 空气阻力 摆运动方程 laser physics,impulse coupling between laser and target impulse air friction the kinetic equation of pendulum
分类号 O439 [机械工程—光学工程] TN249 [电子电信—物理电子学]
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参考文献7

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二级参考文献15

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2007年 第3期

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