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液体物质中的空化现象实验研究 被引量:6

Experimental Research on Cavitation Bubble in Water
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摘要 采用自行研制的光偏转测试系统对强激光诱导液体物质的空化现象进行了实验研究。实验得到了激光等离子体冲击波传播规律和空泡的动力学特性。结果表明,激光等离子体冲击波在其传播过程中迅速衰减为声波;激光空泡的最大泡径随脉动次数增加依次减小,而收缩的最小泡径则由腔内含气量决定。 Based on optical beam deflection(OBD), a fiber-optic diagnostic system is proposed to investigate the propagation of a laser-induced plasma shock wave and the oscillation of a cavitation bubble. By the sequence of experimental waveforms detected at different distances, the attenuation property of the plasma shock wave is obtained. Meantime, both the maximum and the minimum bubble radii are determined during the first three oscillating cycles.
出处 《光电子.激光》 EI CAS CSCD 北大核心 2006年第5期629-633,共5页 Journal of Optoelectronics·Laser
基金 国家自然科学基金资助项目(60578015 60208004) 江苏省自然科学基金资助项目(BK20011056) 教育部高校优秀青年教师奖励计划和激光技术国家重点实验室开放基金资助项目(2005)
关键词 激光 等离子体 冲击波 空泡 光偏转 laser plasma shock wave cavitation bubble optical beam deflection
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参考文献11

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