Supersonic-jet experiments using a high-energy laser.
Supersonic-jet experiments using a high-energy laser.
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DOI：
10.1103/physrevlett.99.265001
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发表时间：
2007-12
影响因子：
8.6
通讯作者：
B. Loupias;M. Koenig;E. Falize;S. Bouquet;N. Ozaki;A. Benuzzi-Mounaix;T. Vinci;C. Michaut;M. Rabec le Goahec;W. Nazarov;C. Courtois;Y. Aglitskiy;A. Faenov;T. Pikuz
中科院分区：
文献类型：
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作者：
B. Loupias;M. Koenig;E. Falize;S. Bouquet;N. Ozaki;A. Benuzzi-Mounaix;T. Vinci;C. Michaut;M. Rabec le Goahec;W. Nazarov;C. Courtois;Y. Aglitskiy;A. Faenov;T. Pikuz
在这封信中，介绍了用LULI 2000激光设施进行的实验室天体物理喷流实验。高速等离子体射流（150 km.s（-1））使用泡沫填充的锥形靶产生。通过测量等离子体射流的时间演化和探索各种目标参数来进行等离子体射流的精确实验表征。关键的射流参数，如传播和径向速度，温度和密度。对于第一次，所需的无量纲量是实验确定的单次拍摄的基础上。虽然喷流是在真空中演化的，但大多数尺度参数与天体物理条件有关。
In this Letter, laboratory astrophysical jet experiments performed with the LULI2000 laser facility are presented. High speed plasma jets (150 km.s(-1)) are generated using foam-filled cone targets. Accurate experimental characterization of the plasma jet is performed by measuring its time evolution and exploring various target parameters. Key jet parameters such as propagation and radial velocities, temperature, and density are obtained. For the first time, the required dimensionless quantities are experimentally determined on a single-shot basis. Although the jets evolve in vacuum, most of the scaling parameters are relevant to astrophysical conditions.