Enhance Lower Hybrid Current Drive Experiments on HT-7 Tokamak
文献类型：期刊论文
| 作者 | Shen Weici1; Kuang Guangli1 ; Liu Yuexiu1; Ding Bojiang1; Shi Yaojiang1; Ht7 Team1
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| 刊名 | Plasma Science & Technology
 |
| 出版日期 | 2003 |
| 卷号 | 5 |
| 关键词 | LHCD wave spectrum drive efficiency |
| ISSN号 | 1009-0630 |
| 其他题名 | Enhance Lower Hybrid Current Drive Experiments on HT-7 Tokamak |
| 英文摘要 | Effective Lower Hybrid Current Driving (LHCD) and improved confinement experiments in higher plasma parameters (I_p > 200kA, n_e > 2 × 10~(13) cm~(-3), Te ≥ 1 keV) have been curried out in optimized LH wave spectrum and plasma parameters in HT-7 superconducting tokamak. The dependence of current driving efficiency on LH power spectrum, plasma density (n-bar)_e and toroidal magnetic field Bt has been obtained under optimal conditions. A good CD efficiency was obtained at higher plasma current and higher electron density. The improvement of the energy confinement time is accompanied with the increase in line averaged electron density, and in ion and electron temperatures. The highest current driving efficiency reachedη_(CD) = Ip (n-bar)_eR/P_(RF) ≈1.05×1019 Am-2/W. Wave-plasma coupling was sustained in a good state and the reflective coefficient was less than 5 %. The experiments have also demonstrated the ability of LH wave in the start-up and ramp-up of the plasma current. The measurement of the temporal distribution of plasma parameter shows that lower hybrid leads to a broader profile in plasma parameter. The LH power deposition profile and the plasma current density profile were modeled with a 2D Fokker-Planck code corresponding to the evolution process of the hard x-ray detector array. |
| 语种 | 英语 |
| CSCD记录号 | CSCD:1270272 |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/93644]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 作者单位 | 1.Institute of Plasma Physics, Chinese Academy of Sciences 2.Institute of Plasma Physics, Chinese Academy of Sciences 3.Institute of Plasma Physics, Chinese Academy of Sciences 4.Institute of Plasma Physics, Chinese Academy of Sciences 5.Institute of Plasma Physics, Chinese Academy of Sciences 6.Institute of Plasma Physics, Chinese Academy of Sciences |
| 推荐引用方式 GB/T 7714 | Shen Weici,Kuang Guangli,Liu Yuexiu,et al. Enhance Lower Hybrid Current Drive Experiments on HT-7 Tokamak[J]. Plasma Science & Technology,2003,5. |
| APA | Shen Weici,Kuang Guangli,Liu Yuexiu,Ding Bojiang,Shi Yaojiang,&Ht7 Team.(2003).Enhance Lower Hybrid Current Drive Experiments on HT-7 Tokamak.Plasma Science & Technology,5. |
| MLA | Shen Weici,et al."Enhance Lower Hybrid Current Drive Experiments on HT-7 Tokamak".Plasma Science & Technology 5(2003). |
入库方式： OAI收割
来源：合肥物质科学研究院
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