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196 / 2023-04-15 18:44:04
The dynamics of shock wave-bubble interaction and the nonlinear evolution mechanism of subsequent ablative instability when multiple defects exist in the capsule
Fluid instabilities, Shock waves, Laser ablation,,Vortex dynamics
辐射和流体力学 > 流体力学不稳定性-海报
摘要录用
云星 刘 / 中国矿业大学(北京)
It is believed that isolated defects within the capsule (e.g., void, high-density inclusion) can be one of the essential factors for implosion performance degradation by seeding hydrodynamic instabilities in implosions. Especially when more than one defect exists in the capsule, the interaction mechanism between the shock wave and the defect, as well as between the deformed defect and the ablated front, remains unclear. In this paper, the interaction between shock waves and multiple defects in the shell is systematically studied. The effect of vortex-interaction on the flow field morphology is investigated. The physical process of vortex pairs overcomeing ablative stabilization is analyzed. A systematic study of localized perturbation growth as a function of defect placement is presented.

 
重要日期

  • 会议日期

    06月05日

    2023

    至

    06月09日

    2023

  • 04月30日 2023

    提前注册日期

  • 05月01日 2023

    摘要截稿日期

  • 05月01日 2023

    摘要录用通知日期

  • 05月01日 2023

    初稿截稿日期

  • 05月31日 2023

    注册截止日期

主办单位
等离子体物理重点实验室
北京师范大学天文系
承办单位
Matter and Radiation at Extremes期刊
中国工程物理研究院流体物理研究所
北京应用物理与计算数学研究所
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