2012 Fiscal Year Final Research Report
Plasma flow injection for self-organization studies of steady statespherical tokamaks
| Project/Area Number |
22360391
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nuclear fusion studies
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| Research Institution | University of Hyogo |
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Principal Investigator |
NAGATA Masayoshi 兵庫県立大学, 大学院・工学研究科, 教授 (00192237)
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| Co-Investigator(Kenkyū-buntansha) |
FUKUMOTO Naoyuki 兵庫県立大学, 大学院・工学研究科, 准教授 (90275305)
KIKUCHI Yusuke 兵庫県立大学, 大学院・工学研究科, 准教授 (00433326)
KANKI Takashi 海上保安大学校, 教授 (40524468)
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| Co-Investigator(Renkei-kenkyūsha) |
ZUSHI Hideki 九州大学応用力学研究所, 教授 (20127096)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 炉心プラズマ / 球状トカマク / 同軸ヘリシティ入射 / ダイナモ |
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| Research Abstract |
The purpose of this research toward realization of an economic fusion reactor is to verify usefulness of the multi-pulsing Coaxial Helicity Injection (CHI) method which could maintain high β spherical tokamaks in steady state. We have demonstrated current amplification, extension of the plasma life time and increase in the ion temperature by the double-pulsing CHI on HIST. Furthermore, we have investigated self-organization of the poloidal flow shear, generation of the negative radial electric field and dynamo current drive mechanism including two fluid effects. The results are confirmed with help of 3D-MHD computational simulation.
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