Reduction of the laser-driven ablative Richtmyer-Meshkov instability due to the bromine-dopant in plastic target
Proceedings of SPIE(2017)
摘要
Effect of the bromine-dopant in plastic target on laser-driven ablative Richtmyer-Meshkov instability is investigated by radiation hydrodynamics simulations. It is found that the bromine-dopant can significantly reduce the perturbation growth and increase the oscillation frequency of ablative Richtmyer-Meshkov instability. The Br-dopant in plastic target increases the radiation temperature at ablation front, which leads to a large ablation velocity. According to the theoretical analysis, the decay of perturbation growth and the increase of the oscillation frequency of ablative Richtmyer-Meshkov instability are attributed to the large ablation velocity.
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关键词
Ablative Richtmyer-Meshkov,Bromine dopant,Radiation hydrodynamics
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