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Relationship Between Electron Thermal Diffusivity and Plasma Parameters on the HT-7 Tokamak
Author(s): 
Pages: 584-587
Year: Issue:  5
Journal: JOURNAL OF EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE EDITION)

Keyword:  电子热扩散系数等离子体参数HT-7托卡马克;
Abstract: 研究了HT-7托卡马克装置欧姆放电情况下电子热扩散系数χe的空间分布以及它与等离子体参数如等离子体中心弦平均密度、等离子体电流的关系.χe沿等离子体小半径的分布是逐渐增大,中心最低.χe在等离体1/2小半径处的数值随等离子体的中心弦平均密度增大而降低,随等离子体电流的增大而增大.且硼化后的值比硅化后的值稍小一些.χe比INTOR定标小很多,但与欧姆放电情况下的Merezhkin定标以及Coppi-Mazzucato定标数值差不多.
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