Dynamical Coupling between Gradients and Transport in Fusion Plasmas

被引：13

作者：

Hidalgo, C. ^{[1
]}

Silva, C. ^{[2
]}

Carreras, B. A. ^{[3
]}

van Milligen, B. ^{[1
]}

Figueiredo, H. ^{[2
]}

Garcia, L. ^{[4
]}

Pedrosa, M. A. ^{[1
]}

Goncalves, B. ^{[2
]}

Alonso, A. ^{[1
]}

机构：

[1] EURATOM CIEMAT, Madrid 28040, Spain

[2] EURATOM IST, P-1049001 Lisbon, Portugal

[3] Univ Alaska, Fairbanks, AK 99775 USA

[4] Univ Carlos III, Madrid 28911, Spain

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 06期

关键词：

SHEARED FLOW; FLUCTUATIONS;

D O I：

10.1103/PhysRevLett.108.065001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The dynamical coupling between density gradients and particle transport has been investigated using similar experimental tools in the plasma boundary of different tokamak (JET, ISTTOK) and stellarator (TJ-II) devices, showing that the size of turbulent events is minimum in the proximity of the most probable density gradient. Experimental results were found to be consistent with results from two very different models of plasma turbulence and transport. The present findings, common to several plasma devices, suggest the importance of self-regulation mechanisms between plasma transport and gradients in fusion devices.

引用

页数：4

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