| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Investigation of molecular penetration depth variation with SMBI fluxes |
| Yu-Lin Zhou(周雨林)1, Zhan-Hui Wang(王占辉)1, Min Xu(许敏)1, Qi Wang(王奇)2, Lin Nie(聂林)1, Hao Feng(冯灏)3, Wei-Guo Sun(孙卫国)4 |
1. Southwestern Institute of Physics, Chengdu 610041, China;
2. School of Physics and Optoelectronic Engineering, Dalian University of Technology, Dalian 116023, China;
3. School of Physics and Chemistry, Xihua University, Chengdu 610041, China;
4. Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610041, China |
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Abstract We study the molecular penetration depth variation with the SMBI fluxes. The molecular transport process and the penetration depth during SMBI with various injection velocities and densities are simulated and compared. It is found that the penetration depth of molecules strongly depends on the radial convective transport of SMBI and it increases with the increase of the injection velocity. The penetration depth does not vary much once the SMBI injection density is larger than a critical value due to the dramatic increase of the dissociation rate on the fueling path. An effective way to improve the SMBI penetration depth has been predicted, which is SMBI with a large radial injection velocity and a lower molecule injection density than the critical density.
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Received: 24 February 2016
Revised: 26 April 2016
Accepted manuscript online:
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PACS:
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52.25.Fi
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(Transport properties)
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52.25.Ya
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(Neutrals in plasmas)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11375053, 11575055, 11405022, and 11405112), the Chinese National Fusion Project for ITER (Grant Nos. 2013GB107001 and 2013GB112005), the International S&T Cooperation Program of China (Grant No. 2015DFA61760), and the Funds of the Youth Innovation Team of Science and Technology in Sichuan Province of China (Grant No. 2014TD0023). |
Corresponding Authors:
Zhan-Hui Wang, Wei-Guo Sun
E-mail: zhwang@swip.ac.cn;swg@mail.xhu.edu.cn
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Cite this article:
Yu-Lin Zhou(周雨林), Zhan-Hui Wang(王占辉), Min Xu(许敏), Qi Wang(王奇), Lin Nie(聂林), Hao Feng(冯灏), Wei-Guo Sun(孙卫国) Investigation of molecular penetration depth variation with SMBI fluxes 2016 Chin. Phys. B 25 095201
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