| 王亮,龚学余,李新霞,邹任忠.托卡马克芯部等离子体微观不稳定性研究[J].南华大学学报(自然科学版),2014,28(2):1~5, 10.[WANG Liang,GONG Xue-yu,LI Xin-xia,ZOU Ren-zhong.Study of Microinstability in Tokamak Core Plasma[J].Journal of University of South China(Science and Technology),2014,28(2):1~5, 10.] |
| 托卡马克芯部等离子体微观不稳定性研究 |
| Study of Microinstability in Tokamak Core Plasma |
| 投稿时间：2013-11-26 |
| DOI： |
| 中文关键词: 芯部等离子体 增长率 离子温度梯度模 俘获电子模 |
| 英文关键词:core plasma growth rate ion temperature gradient mode trapped electron mode |
| 基金项目:国家自然科学基金资助项目(11075073;11205086;11375085);湖南省教育厅优秀青年基金资助项目(12B107);南华大学核聚变与等离子体物理创新团队建设基金资助项目(NHXTD03);高等学校博士学科点专项科研基金资助项目(20114324110001) |
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| 中文摘要: |
| 在Weiland模型的基础上,考虑碰撞效应的双流体方程,获得了托卡马克等离子体芯部区域ITG(离子温度梯度模)和TEM(捕获电子模)的色散关系,分析了归一化温度梯度和密度梯度以及归一化径向坐标对这两种模式增长率的影响.计算结果表明等离子体密度梯度对离子温度梯度模有致稳作用,而对捕获电子模模有促进作用.两种模的增长率都随各自温度梯度和归一化径向坐标的增大而不同程度增大. |
| 英文摘要: |
| With the dispersion relation of the ion temperature gradient mode(ITG) and the trapped electron mode(TEM) derived from the Weiland model,where the two fluid equations with the collision term are used,the effects of the normalized temperature gradient,the normalized density gradient and the normalized radial coordiante on the growth rates of these two modes are analyzed.The computation results indicate that the ion temperature gradient modes are stablized by the plasma density gradient and the traped electron mode is destabilized by the density gradient.The growth rate of both modes increase with plasma temperature gradient and the radial coordinate. |
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