Laser-driven hydrothermal wave speed in low-Z foam of overcritical density

被引：18

作者：

Cipriani, M. ^{[1
]}

Gus'kov, S. Yu ^{[2
]}

De Angelis, R. ^{[1
]}

Consoli, F. ^{[1
]}

Rupasov, A. A. ^{[2
]}

Andreoli, P. ^{[1
]}

Cristofari, G. ^{[1
]}

Di Giorgio, G. ^{[1
]}

机构：

[1] ENEA, Fus & Technol Nucl Safety Dept, CR Frascati, Via E Fermi 45, I-00044 Rome, Italy

[2] Lebedev Phys Inst, Leninskii Prospect 53, Moscow 119991, Russia

来源：

PHYSICS OF PLASMAS | 2018年 / 25卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

ENERGY-TRANSPORT; PLASMA; RADIATION;

D O I：

10.1063/1.5041511

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 speed of the laser-supported hydrothermal wave is experimentally measured in porous polystyrene with overcritical average density. The results of the experiments are in agreement with the simulations performed with the MULTI-FM code, modeling the state of partly homogenized plasma. The measured velocity is 2 times smaller than the shock wave velocity calculated in simulations under the same conditions of laser irradiation in a homogeneous substance of the same density. The obtained results allow us to better investigate the possibility of using porous matter of overcritical density as an effective absorber-ablator in laser thermonuclear fusion targets. Published by AIP Publishing.

引用

页数：6

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