Experiments to investigate the effects of radiative cooling on plasma jet collimation

被引：12

作者：

Gregory, C. D. ^{[1
]}

Diziere, A. ^{[1
]}

Aoki, H. ^{[2
]}

Tanji, H. ^{[2
]}

Ide, T. ^{[2
]}

Falize, E. ^{[3
]}

Loupias, B. ^{[3
]}

Michaut, C. ^{[4
]}

Morita, T. ^{[2
]}

Pikuz, S. A. ^{[5
]}

Ravasio, A. ^{[1
]}

Kuramitsu, Y. ^{[2
]}

Sakawa, Y. ^{[2
]}

Takabe, H. ^{[2
]}

Woolsey, N. C. ^{[6
]}

Koenig, M. ^{[1
]}

机构：

[1] Univ Paris 06, Ecole Polytech, Lab Utilisat Lasers Intenses, CEA,CNRS,UMR7605, F-91128 Palaiseau, France

[2] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650871, Japan

[3] CEA, DAM, DIF, F-91297 Arpajon, France

[4] Univ Paris Diderot, LUTH, Observ Paris, CNRS, F-92190 Meudon, France

[5] RAS, Joint Inst High Temp, Moscow 125412, Russia

[6] Univ York, Dept Phys, Heslington YO10 5DD, England

来源：

HIGH ENERGY DENSITY PHYSICS | 2014年 / 11卷

关键词：

Young stellar objects; Jets and outflows; Laboratory astrophysics; LASER-PRODUCED PLASMAS; LABORATORY ASTROPHYSICS; HYDRODYNAMICS;

D O I：

10.1016/j.hedp.2013.12.003

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：

Preliminary experiments have been performed to investigate the effects of radiative cooling on plasma jets. Thin (3 mu m-5 mu m) conical shells were irradiated with an intense laser, driving jets with velocities >100 km s(-1). Through the use of different targets materials - aluminium, copper and gold - the degree of radiative losses was altered, and their importance for jet collimation investigated. A number of temporally-resolved optical diagnostics was used, providing information about the jet evolution. Gold jets were seen to be narrower than those from copper targets, while aluminium targets produced the least collimated flows. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：12 / 16

页数：5

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