Study of impurities generation via thermal desorption in magnetic compression system

Luo Xianwen; Wei Yi

doi:10.11884/HPLPB201729.160544

Volume 29 Issue 05

Apr. 2017

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Article Navigation > High Power Laser and Particle Beams > 2017 > 29(05): 055004

Shi Tao, Zhang Bo, Qian Dazhi, et al. Neutronic thermal-hydraulic coupling analysis for PT-SCWR-reactor core[J]. High Power Laser and Particle Beams, 2015, 27: 016017. doi: 10.11884/HPLPB201527.016017

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Luo Xianwen, Wei Yi. Study of impurities generation via thermal desorption in magnetic compression system[J]. High Power Laser and Particle Beams, 2017, 29: 055004. doi: 10.11884/HPLPB201729.160544

Citation:

Luo Xianwen, Wei Yi. Study of impurities generation via thermal desorption in magnetic compression system[J]. High Power Laser and Particle Beams, 2017, 29: 055004. doi: 10.11884/HPLPB201729.160544

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Study of impurities generation via thermal desorption in magnetic compression system

doi: 10.11884/HPLPB201729.160544

Luo Xianwen^{1
,
,},
Wei Yi²

1.
中国工程物理研究院银河596科技园脉冲功率科学与技术重点实验室,成都 610200;
2.
中国工程物理研究院流体物理研究所,四川绵阳 621999

Received Date: 2016-12-05
Rev Recd Date: 2017-01-19
Publish Date: 2017-05-15

Abstract

Abstract

The magnetic compression system (MAGO) proposed by VNIIEF is a new concept of nuclear fusion. The impurities in magnetic compression system may come from thermal desorption process, and wall materials washout by plasma. In this paper, combined with the 2-D temperature distribution of anodic electrode for 5 MA pulsed current flowing through gas pondermotor unit, the impurities generated from thermal desorption process in MAGO chamber were analyzed, consulted to the impurities desorption of copper sample. The TOF spectrum of 3 keV Ar+ scattering from Cu(110), Cu(111) surfaces were measured, and the impurity elements on copper surface were analyzed. According to the results, impurities desorption depends on the temperature and the surface structure of anodic electrode.
- magnetic compression system,
- nuclear fusion,
- pulsed power,
- impurity,
- time-of-flight spectrum

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