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2003 Volume 12 Issue 11
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Shi Bing-Ren(石秉仁), Long Yong-Xing(龙永兴), Dong Jia-Qi(董家齐), Li Wen-Zhong(郦文忠), Jiao Yi-Ming(焦一鸣), and Wang Ai-Ke(王爱科). 2003: Fokker-planck study of tokamak electron cyclotron resonance heating, Chinese Physics B, 12(11): 1251-1256.
Citation: Shi Bing-Ren(石秉仁), Long Yong-Xing(龙永兴), Dong Jia-Qi(董家齐), Li Wen-Zhong(郦文忠), Jiao Yi-Ming(焦一鸣), and Wang Ai-Ke(王爱科). 2003: Fokker-planck study of tokamak electron cyclotron resonance heating, Chinese Physics B, 12(11): 1251-1256.
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Fokker-planck study of tokamak electron cyclotron resonance heating

  • Southwestern Institute of Physics, PO Box 432, Chengdu 610041, China

  • Available Online: 30/11/2003
  • Fund Project: the National Natural Science Foundation of China (Grant 10135020)
  • Fokker-Planck study is carried out for tokamak electron cyclotron resonance heating by writing the quasi-linear diffusion operator into a form adaptive to the collision operator and considering the wave absorption characteristics of both the O-mode and the X-mode in different magnetic surfaces. Though the Fokker-Planck code is non-relativistic in nature, however, if the relativistic resonance condition for the nearly perpendicularly propagating waves is treated suitably, we can obtain correct results. The energy loss mechanism through anomalous transport is also modelled using a suitable loss term. In the heating phase, the electron distribution deviates from the Maxwellian distribution substantially, which leads to non-linear absorption characteristics. The wave damping rate is non-linear and changes with time. The electron pressure is usually anisotropic under different conditions: pe⊥/pe‖＞ 2 for different D0 and τe.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Fokker-planck study of tokamak electron cyclotron resonance heating

  • Available Online: 30/11/2003

Abstract: Fokker-Planck study is carried out for tokamak electron cyclotron resonance heating by writing the quasi-linear diffusion operator into a form adaptive to the collision operator and considering the wave absorption characteristics of both the O-mode and the X-mode in different magnetic surfaces. Though the Fokker-Planck code is non-relativistic in nature, however, if the relativistic resonance condition for the nearly perpendicularly propagating waves is treated suitably, we can obtain correct results. The energy loss mechanism through anomalous transport is also modelled using a suitable loss term. In the heating phase, the electron distribution deviates from the Maxwellian distribution substantially, which leads to non-linear absorption characteristics. The wave damping rate is non-linear and changes with time. The electron pressure is usually anisotropic under different conditions: pe⊥/pe‖＞ 2 for different D0 and τe.

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