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《Chinese Journal of Energetic Materials》 2015-02
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Parameters and Characteristics of Multi-flyers Driven by Laser

QIN Wen-zhi;WANG Meng;Chen Qing-chou;JIANG Xiao-hua;The Institute of Chemical Materials,China Academy of Engineering Physics;  
In laser-driven flyer technology,the efficiency of laser and the velocity of flyers can be improved by the using of multi-flyers.In Order to obtain the influence of each layer in multi-flyer with different materials and thickness on the velocity of flyers,multi-flyers with different parameters were prepared by Ti,C,A1_2O_3 and Al.The multi-flyers were driven by Neodymium-Yttrium-Aluminium Garnet-Laser laser system in the energy range between 200 mJ and 300 mJ.The velocity of multi-flyers were tested by Photonic Doppler Velocimetry(PDV).Results show that the velocity of multi-flyers with absorption layer(0.15 μm,Ti) increases 110%compared to single flyer,and the velocity of multi-flyer with insulation layer(0.3 μm,Al) and ablation layer(1.0 μm,Al_2O_3) increases41%compared to single flyer.Energy utilization and accelerate distance of different multi-flyers were analyzed.It indicates that the velocity of laser-driven multi-flyers can reach 90%of maximum velocity at 0.02 μs,and reach a maximum at 0.08 μs.
【Fund】: 中国工程物理研究院化材所青年人才基金(QNRC-201303)
【CateGory Index】: TN249
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 WU Li-zhi,SHEN Rui-qi,XU Jiao,YE Ying-hua,HU Yan(School of Chemical Engineering,Nanjing University of Science and Technology,Nanjing 210094,Jiangsu,China);Research Advance in Laser-driven Flyer Technology[J];Acta Armamentarii;2010-02
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【Co-citations】
Chinese Journal Full-text Database 7 Hits
1 ZHANG Yong-qiang;TAO Yan-hui;CAI Jin-tao;SONG Zhen-fei;TAN Fu-li;ZHAO Jian-heng;Institute of Fluid Physics,China Academy of Engineering Physics;;Experimental Research on Hyperivelocity Impact of Middle and Low Density Material Flyers on Aluminium Shield Structure[J];Acta Armamentarii;2013-08
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Chinese Journal Full-text Database 10 Hits
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