Probing internal transport barriers with heat pulses in JET.

Probing internal transport barriers with heat pulses in JET.
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DOI:
10.1103/physrevlett.96.095002
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发表时间:
2006-03
影响因子:
8.6
通讯作者:
P. Mantica;D. van Eester;X. Garbet;F. Imbeaux;L. Laborde;M. Mantsinen;A. Marinoni;D. Mazon;D. Moreau;N. Hawkes;E. Joffrin;V. Kiptily;S. Pinches;A. Salmi;S. Sharapov;A. Thyagaraja;I. Voitsekhovitch;P. D. de Vries;K. Zastrow
P. Mantica;D. van Eester;X. Garbet;F. Imbeaux;L. Laborde;M. Mantsinen;A. Marinoni;D. Mazon;D. Moreau;N. Hawkes;E. Joffrin;V. Kiptily;S. Pinches;A. Salmi;S. Sharapov;A. Thyagaraja;I. Voitsekhovitch;P. D. de Vries;K. Zastrow
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
P. Mantica;D. van Eester;X. Garbet;F. Imbeaux;L. Laborde;M. Mantsinen;A. Marinoni;D. Mazon;D. Moreau;N. Hawkes;E. Joffrin;V. Kiptily;S. Pinches;A. Salmi;S. Sharapov;A. Thyagaraja;I. Voitsekhovitch;P. D. de Vries;K. Zastrow

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首次在等离子体中进行电子温度调制实验,其特点是强而持久的电子和离子内部传输势垒 (ITB),在 JET 中使用模式转换方案中的离子回旋共振加热进行了实验。 ITB 被证明是一个局部良好的窄层,具有低热扩散率,其特征是亚临界传输和刚度损失。此外,冷脉冲传播实验的结果表明 ITB 形成存在二阶转变过程。
The first electron temperature modulation experiments in plasmas characterized by strong and long-lasting electron and ion internal transport barriers (ITB) have been performed in JET using ion cyclotron resonance heating in mode conversion scheme. The ITB is shown to be a well localized narrow layer with low heat diffusivity, characterized by subcritical transport and loss of stiffness. In addition, results from cold pulse propagation experiments suggest a second order transition process for ITB formation.