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The impurity transport in HT-6M tokamak

Xu Wei Wan Bao-Nian Xie Ji-Kang

The impurity transport in HT-6M tokamak

Xu Wei, Wan Bao-Nian, Xie Ji-Kang
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Publishing process
  • Received Date:  09 August 2002
  • Accepted Date:  09 September 2002
  • Published Online:  05 April 2003

The impurity transport in HT-6M tokamak

  • 1. (1)广州大学物理系,广州 510400;中国科学院等离子体物理研究所,合肥 230031; (2)中国科学院等离子体物理研究所,合肥 230031

Abstract: The space-time profile of impurities has been measured with a multichannel visible spectroscopic detect system and UV rotation-mirror system in the HT-6M tokamak. An ideal impurity transport code has been used to simulate impurities (carbon and oxygen) behaviour during the OH discharge. The profiles of impuritie s diffusion and convection coefficient, impurities ion densities in different io nized state, loss power density and effective charge number have been derived. T he impurity behaviour during low-hybrid current drive has also been analyzed, th e results show that the confinement of particles, impurities and energy has been improved, and emission power and effective charge number have been reduced.

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