Preheat effects on shock propagation in indirect-drive inertial confinement fusion ablator materials

被引：47
|
作者：
Olson, RE
Leeper, RJ
Nobile, A
Oertel, JA
机构：
[1] Sandia Natl Labs, Albuquerque, NM 87185 USA
[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 23期
关键词：
D O I：
10.1103/PhysRevLett.91.235002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The velocities and temperatures of shock waves generated by laser-driven hohlraum radiation fields have been measured for several indirect-drive inertial confinement fusion capsule ablator materials. For the first time, a time-resolved measurement of the preheat temperature ahead of the shock front has been performed and included in the analysis. It is found that preheat ahead of the shock front can cause significant shock propagation variations in the ignition capsule ablator materials being considered for the National Ignition Facility (NIF). If unaccounted for, these preheat effects could potentially preclude ignition at the NIF.
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页数：4
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