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Successive Picket Drive for Mitigating the Ablative Richtmyer–Meshkov Instability

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摘要 The ablative Richtmyer–Meshkov instability(ARMI)is crucial to the successful ignition implosion of the inertial confinement fusion(ICF)because of its action as the seed of the Rayleigh–Taylor instability.In usual ICF implosions,the first shock driven by various foots of the pulses plays a central role in the ARMI growth.We propose a new scheme for refraining from ARMI with a pulse of successive pickets.With the successive-picket pulse design,a rippled capsule surface is compressed by three successive shocks with sequentially strengthening intensities and ablated stabilization,and the ablative Richtmyer–Meshkov growth is mitigated quite effectively.Our numerical simulations and theoretical analyses identify the validity of this scheme.
作者 李蒙 叶文华 Meng Li;Wen-Hua Ye(不详)
出处 《中国物理快报:英文版》 SCIE CAS CSCD 2019年第2期28-31,共4页 Chinese Physics Letters
基金 National Natural Science Foundation of China under Grant Nos 11675026,11875091 and 11575034.
作者简介 Corresponding author:李蒙,Email:li_meng@iapcm.ac.cn;Corresponding author:叶文华,ye_wenhua@iapcm.ac.cn.
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