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物理学报. 2009, 58(12): 8448-8453.
doi: 10.7498/aps.58.8448.
HT-7托卡马克大功率低混杂波电流驱动的实验研究
- 收稿日期: 2008-01-14
- 修回日期: 2008-05-13
- 刊出日期: 2009-06-05
English Abstract
Experimental study of large power lower hybrid current drive on HT-7 tokamak
- Received Date:
14 January 2008
- Accepted Date:
13 May 2008
- Published Online:
05 June 2009
Abstract: Large power current drive of lower hybrid wave （LHW） was performed （PLHW 100—800 kW at 2.45 GHz） recently in the HT-7 tokamak. The lower hybrid current drive （LHCD） efficiency is studied for different injected powers and for different densities. Improved particle confinement is observed by application of LHCD as characterized by an increase of central line average electron density and decrease of Dα emission. The particle confinement time τp increased about 1.5 times compared with ohm discharge. The dependence of energy confinement time τE on plasma density and LHW power is experimentally studied in detail.
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