Developing an Experimental Basis for Understanding Transport in NIF Hohlraum Plasmas.

Developing an Experimental Basis for Understanding Transport in NIF Hohlraum Plasmas.
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为理解 NIF 黑腔等离子体中的传输建立实验基础。

DOI:
10.1103/physrevlett.121.095002
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发表时间:
2018
影响因子:
8.6
通讯作者:
G. Pérez
G. Pérez
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
M. Barrios;J. D. Moody;L. J. Suter;M. Sherlock;H. Chen;W. Farmer;J. Jaquez;O. Jones;R. Kauffman;J. Kilkenny;J. Kroll;O. Landen;D. Liedahl;S. Maclaren;N. Meezan;A. Nikroo;M. Schneider;D. Thorn;K. Widmann;G. Pérez

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我们报道了在国家点火装置上首次使用中Z光谱示踪剂“点”的新技术测量了点火黑洞中的多位置电子温度(T_E)和流动。这些测量定义了黑腔等离子体条件的低分辨率“地图”,并为首次在激光驱动的X射线腔中进行粒子和能量传输物理的多位置测试提供了基础。该数据集与胶囊附近的经典热流是一致的,但激光入口孔附近的热流有所减少。我们评估了动力学效应、自生磁场和不稳定性在黑洞中引起空间相关热传输中的作用。
We report on the first multilocation electron temperature (T_{e}) and flow measurements in an ignition hohlraum at the National Ignition Facility using the novel technique of mid-Z spectroscopic tracer "dots." The measurements define a low resolution "map" of hohlraum plasma conditions and provide a basis for the first multilocation tests of particle and energy transport physics in a laser-driven x-ray cavity. The data set is consistent with classical heat flow near the capsule but reduced heat flow near the laser entrance hole. We evaluate the role of kinetic effects, self-generated magnetic fields, and instabilities in causing spatially dependent heat transport in the hohlraum.
与惯性约束聚变相关的激光等离子体非局域电子传输模型的比较
DOI: 10.1063/1.4986095
发表时间: 2017
期刊: Physics of Plasmas
影响因子: 2.2
作者:
Sherlock M
通讯作者: Sherlock M