From lasers to the universe: Scaling laws in laboratory astrophysics

被引：33

作者：

Bouquet, S. ^{[1
,2
]}

Falize, E. ^{[1
,2
]}

Michaut, C. ^{[2
]}

Gregory, C. D. ^{[3
]}

Loupias, B. ^{[1
]}

Vinci, T. ^{[3
]}

Koenig, M. ^{[3
]}

机构：

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

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

[3] Univ Paris Pierre & Marie Curie, CNRS, LULI, Ecole Polytech,CEA, F-91128 Palaiseau, France

来源：

HIGH ENERGY DENSITY PHYSICS | 2010年 / 6卷 / 04期

关键词：

Laboratory astrophysics; Scaling laws; Radiative shocks; Astrophysical jets; Radiation hydrodynamics; HUBBLE-SPACE-TELESCOPE; SUPERNOVA HYDRODYNAMICS; ABSORPTION-MEASUREMENTS; INTENSE LASERS; PROPER MOTIONS; NOVA LASER; PLASMA; SIMILARITY; SHOCK; JETS;

D O I：

10.1016/j.hedp.2010.03.001

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：

In this work scaling laws in laboratory astrophysics are studied. It is shown that mathematical models governing radiation hydrodynamics-driven phenomena are invariant under the homothetic group transformation and can be rescaled according to several types of scaling laws. This property is valid for both optically thick and optically thin materials and it allows a correct and rigorous connection between astrophysical objects or phenomena and laboratory experiments. This approach is applied to astrophysical jets and radiative shocks where advantages as well as difficulties are pointed out. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：368 / 380

页数：13

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