Integrated simulation of magnetic-field-assist fast ignition laser fusion

被引：22

作者：

Johzaki, T. ^{[1
]}

Nagatomo, H. ^{[2
]}

Sunahara, A. ^{[3
]}

Sentoku, Y. ^{[2
,4
]}

Sakagami, H. ^{[5
]}

Hata, M. ^{[2
]}

Taguchi, T. ^{[6
]}

Mima, K. ^{[7
]}

Kai, Y. ^{[1
]}

Ajimi, D. ^{[1
]}

Isoda, T. ^{[1
]}

Endo, T. ^{[1
]}

Yogo, A. ^{[2
]}

Arikawa, Y. ^{[2
]}

Fujioka, S. ^{[2
]}

Shiraga, H. ^{[2
]}

Azechi, H. ^{[2
]}

机构：

[1] Hiroshima Univ, Dept Mech Syst Engn, Higashihiroshima 7398527, Japan

[2] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650871, Japan

[3] Inst Laser Technol, Suita, Osaka 5650871, Japan

[4] Univ Nevada, Dept Phys, Reno, NV 89557 USA

[5] Natl Inst Fus Sci, Toki, Gifu 5095292, Japan

[6] Setsunan Univ, Dept Elect & Elect Engn, Neyagawa, Osaka 5728508, Japan

[7] Grad Sch Creat New Photon Ind, Hamamatsu, Shizuoka 4311202, Japan

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2017年 / 59卷 / 01期

关键词：

fast ignition; magnetic field; core heating; fast electron; integrated simulation;

D O I：

10.1088/0741-3335/59/1/014045

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：

To enhance the core heating efficiency in fast ignition laser fusion, the concept of relativistic electron beam guiding by external magnetic fields was evaluated by integrated simulations for FIREX class targets. For the cone-attached shell target case, the core heating performance deteriorates by applying magnetic fields since the core is considerably deformed and most of the fast electrons are reflected due to the magnetic mirror formed through the implosion. On the other hand, in the case of a cone-attached solid ball target, the implosion is more stable under the kilo-tesla-class magnetic field. In addition, feasible magnetic field configuration is formed through the implosion. As a result, the core heating efficiency doubles by magnetic guiding. The dependence of core heating properties on the heating pulse shot timing was also investigated for the solid ball target.

引用

页数：8

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