Experimental design to generate strong shear layers in a high-energy-density plasma

被引：3

作者：

Harding, E. C. ^{[1
]}

Drake, R. P. ^{[1
]}

Aglitskiy, Y. ^{[2
]}

Gillespie, R. S. ^{[1
]}

Grosskopf, M. J. ^{[1
]}

Weaver, J. L. ^{[2
]}

Velikovich, A. L. ^{[2
]}

Visco, A. ^{[1
]}

Ditmar, J. R. ^{[1
]}

机构：

[1] Univ Michigan, Ann Arbor, MI 48109 USA

[2] USN, Div Plasma Phys, Res Lab, Washington, DC 20375 USA

来源：

HIGH ENERGY DENSITY PHYSICS | 2010年 / 6卷 / 02期

关键词：

Shear flow; Kelvin-Helmholtz instability; Nike Laser; INSTABILITY;

D O I：

10.1016/j.hedp.2010.01.013

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The development of a new experimental system for generating a strong shear flow in a high-energy-density plasma is described in detail. The targets were designed with the goal of producing a diagnosable Kelvin-Helmholtz (KH) instability, which plays an important role in the transition turbulence but remains relatively unexplored in the high-energy-density regime. To generate the shear flow the Nike laser was used to drive a flow of Al plasma over a low-density foam surface with an initial perturbation. The interaction of the Al and foam was captured with a spherical crystal imager using 1.86 keV X-rays. The selection of the individual targets components is discussed and results are presented. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：179 / 184

页数：6

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