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《2016第八届全国计算物理会议报告文集》2016年
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Modeling of shell-mixing into the central hotspot in inertial confinement fusion implosion

YU Cheng-xin  FAN Zheng-feng  
【摘要】:Starting from the mass conservation and energy conservation of hotspot,the dynamics of hotspot combustion involving shell-mix are constructed by recalculating the special internal energy and heat capacity,in which the bremsstrahlung radiation loss and other energy transfer are considered.Using the power balance in the hotspot,the relations between the fractions of shell-mixing in the hotspot and the ignition threshold and self-sustainable combustion are investigated.The theoretical analysis and numerical simulation show that the enhancement of radiation loss induced by the shell-mixing plays the dominated role in the failure of ignition.By adjusting different materials and the mixing fraction,the effects to the combustion paths are studied.
【作者单位】:Institute of Applied Physics and Computational Mathematics
【分类号】:TL632

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