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综述了近10年来国内外液体靶材激光推进的主要研究成果。分析了液体靶材激光推进的一般机理,得出了溅射是液体靶材推进性能主要制约因素的结论。提出了改变靶材结构形态和增大靶材黏度从而改善推进性能的两种有效途径,依据不同途径依次评述了体状、膜状、滴状和高黏度液体靶材的性能特点,并总结出了己烷炮靶、雾化水滴和高黏度溶液这三种综合推进性能较好的液体靶材。最后指出了复合靶材将成为未来液体靶材激光推进的一个重要发展方向。
The main research results of laser propulsion of liquid targets at home and abroad in recent 10 years are summarized. The general mechanism of laser propulsion of liquid target is analyzed. The conclusion is drawn that sputtering is the main constraint factor of propulsion performance of liquid target. Two effective ways to change the structure of the target and the viscosity of the target to improve the propulsion performance are put forward. The performance characteristics of the target in bulk, film, droplet and high viscosity are summarized according to different approaches, Hexane cannon target, atomized water droplets and high viscosity solution of these three kinds of comprehensive advance performance of liquid targets. Finally, it is pointed out that the composite target will become an important development direction of laser propulsion for the future liquid targets.