| Original Articles |
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Reynolds Stress and Sheared Poloidal Flow in the Edge Plasma
Region of the HT-6M Tokamak |
| WANG Wen-Hao*;YU Chang-Xuan*;LING Bi-Li;GONG Xian-Zu;LIU Bao-Hua;WAN Bao-Nian |
| *Department of Modern Physics, University of Science and Technology of China, Hefei 230027
Institute of Plasma Physics, Chinese Academy of Sciences,
Hefei 230031
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| Cite this article: |
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WANG Wen-Hao, YU Chang-Xuan, LING Bi-Li et al 2001 Chin. Phys. Lett. 18 254-256 |
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Abstract High spatial resolution measurements of the electrostatic Reynolds stress, radial electric field and poloidal phase velocity of fluctuations in the edge region of the HT-6M tokamak are carried out. The Reynolds stress shows a radial gradient in proximity to the poloidal velocity shear. A comparison of the profiles between the Reynolds stress gradient and the poloidal velocity damping reveals some similarity in their magnitude and radial structure. These facts suggest that the turbulence-induced Reynolds stress may play a significant role in generating the poloidal flow in the plasma edge region.
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| Keywords:
52.40.Hf
52.25.Gj
52.55.Fa
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Published: 01 February 2001
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| PACS: |
52.40.Hf
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(Plasma-material interactions; boundary layer effects)
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52.25.Gj
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(Fluctuation and chaos phenomena)
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52.55.Fa
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(Tokamaks, spherical tokamaks)
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