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THEORY OF ENHANCED CORE CONFINEMENT REGIMES IN TOKAMAKS

机译：托卡马克中增强型核心约束机制的理论

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A comparison of two types of DIII-D plasmas with improved core ion thermal transport is made.rnOne is an H-mode edge weak magnetic shear discharge and the other is an L-mode edge negativerncentral shear plasma. It is found that the region of reduced ion thermal transport is consistent with thernregion where theory predicts stability of ion temperature gradient modes in both cases. The electronrnthermal transport remains anomalously high throughout the plasma. The electron transport may berncaused by the presence of electron temperature gradient modes in the outer part of the plasma. Thernmodes are found to be linearly unstable even into the region of high E×B shear. In the central core norndrift-ballooning modes are found to be unstable. The negative central shear case is predicted to bernunstable to resistive interchange modes in the reversed shear region.

机译：比较了两种DIII-D等离子体具有改善的核心离子热传输性能。一种是H型边缘弱磁剪切放电，另一种是L型边缘负中心剪切等离子体。发现在两种情况下，离子传热减少的区域与理论预测离子温度梯度模式稳定的区域一致。在整个等离子体中，电子热传输异常高。在等离子体外部存在电子温度梯度模式可能会导致电子传输。发现rnmodes甚至在高E×B剪切区域内也是线性不稳定的。在中央核心，正漂移漂流模式是不稳定的。负中心剪切情况预计在反向剪切区域中对电阻互换模式不稳定。

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来源
《Fusion energy 1998》|1998年|p.1-4|共4页
会议地点 Yokohama(JP)
作者
G.M. STAEBLER; R.E. WALTZ; C.M. GREENFIELD; B.W. STALLARD;
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作者单位

General Atomics, P.O. Box 85608, San Diego, California 92186-5608;

General Atomics, P.O. Box 85608, San Diego, California 92186-5608;

General Atomics, P.O. Box 85608, San Diego, California 92186-5608;

Lawrence Livermore National Laboratory, Livermore, California;

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原文格式 PDF
正文语种 eng
中图分类受控热核反应（聚变反应理论及实验装置）;
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2. Viscous relaxation of drift-Alfven waves in tokamaks and its application for triggering improved confinement regimes [J] . Tsypin VS, Elfimov AG, Galvao RMO Physics of plasmas . 2007,第1期

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3. On the Influence of the SOL Region on Core-Plasma Energy Confinement Time in Simulation of Turbulent Transport Processes in Tokamaks [J] . Pastukhov V. P., Kirneva N. A., Smirnov D. V. Plasma physics reports . 2019,第12期

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5. Transitions Out of High-Confinement Mode to Lower Confinement Regimes in Tokamaks [D] . Eldon, David 2015

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6. Mixed confinement regimes during equilibrium confinement spectroscopy of DNA [O] . Damini Gupta, Julian Sheats, Abhiram Muralidhar, -1

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THEORY OF ENHANCED CORE CONFINEMENT REGIMES IN TOKAMAKS

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