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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
Radiation and Hydrodynamics > Hydrodynamic instability-poster
Abstract Accepted
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.

 
Important Date

  • Conference Date

    Jun 05

    2023

    to

    Jun 09

    2023

  • Apr 30 2023

    Early Bird Registration

  • May 01 2023

    Abstract Submission Deadline

  • May 01 2023

    Abstract Notification of Acceptance

  • May 01 2023

    Draft paper submission deadline

  • May 31 2023

    Registration deadline

Sponsored By
Science and Technology on Plasma Physics Laboratory
Department of Astronomy, Beijing Normal University
Organized By
Matter and Radiation at Extremes
Institute of Fluid Physics, China Academy of Engineering Physics, China
Institute of Applied Physics and Computational Mathematics, Beijing, China
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