锥制导目标快速点火的三码一体化仿真
Integrated Fast Ignition Simulation of Cone-guided Targetwith Three Codes
摘要：
据报道，在锥制导靶快速点火实验中，燃料芯被加热到~ 0.8 keV，但不能从理论上解释这种高温的加热机制和实现。因此，模拟应该发挥重要作用，在估计方案的性能，我们必须模拟每一个现象与个别的代码和集成在快速点火集成互连代码项目。在以前的综合模拟中，由激光-等离子体相互作用产生的快电子太热而不能有效地加热核心，我们只得到了0.096 [keV]的温升。考虑锥尖与内爆等离子体接触面处的密度间隙效应后，堆芯加热周期变长，堆芯被加热0.162 [keV]，比忽略密度间隙效应增加约69%。
英文摘要：
It was reported that the fuel core was heated up to ~ 0.8 [keV] in the fast ignition experimentswith cone-guided targets, but they could not theoretically explain heating mechanisms and achievement of such high temperature. Thus simulations should play an important role in estimating the schemeperformance, and we must simulate each phenomenon with individual codes and integrate them under the Fast Ignition Integrated Interconnecting code project. In the previous integrated simulations, fast electronsgenerated by the laser-plasma interaction were too hot to efficiently heat the core and we got only 0.096 [keV] temperature rise. Including the density gap at the contact surface between the cone tip and theimploded plasma, the period of core heating became longer and the core was heated by 0.162 [keV], ~69% higher increment compared with ignoring the density gap effect.
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