Plasma structure and energy dependence in a magnetic thrust chamber system
Plasma structure and energy dependence in a magnetic thrust chamber system
复制标题
磁推力室系统中的等离子体结构和能量依赖性
DOI：
10.1088/1742-6596/717/1/012071
复制
发表时间：
2016
期刊：
影响因子：
--
通讯作者：
H Nakashima
中科院分区：
文献类型：
--
作者：
T Morita;N Yamamoto;R Kawashima;N Saito;M Edamoto;S Fujioka;Y Itadani;T Johzaki;S Miura;Y Mori;H Nishimura;A Sunahara;A Yogo;H Nakashima
我们演示了一种磁力推力室系统，在该系统中，膨胀的等离子体由外部磁场控制以产生推力。从驱动激光能量和磁场强度的角度讨论了等离子体的结构和能量依赖关系。当磁场与等离子体能量之比大致相同时，尽管激光能量相差两个数量级，但两个不同实验得到的密度分布呈现相同的结构。实验结果表明，对于大得多的能量，如惯性约束聚变等离子体，这一比值是推断等离子体动力学的重要因素之一。
We demonstrate a magnetic thrust chamber system, in which an expanding plasma is controlled by an external magnetic field to produce a thrust. The plasma structure and energy dependences are discussed in terms of the drive laser energy and magnetic field strength. The density distribution from two different experiments show identical structure despite the laser energy is different by two order of magnitude when the ratio of magnetic field to plasma energy is more or less same. The experimental results indicate that this ratio is one of the essential factors to extrapolate the plasma dynamics for much larger energy such as inertial confinement fusion plasmas.