Temperature oscillating regimes in Tore Supra diagnosed by MHD activity

P. Maget; F. Imbeaux; G. Giruzzi; V.S. Udintsev; G.T.A. Huysmans; J.L. Ségui; M. Goniche; Ph. Moreau; R. Sabot; X. Garbet

doi:10.1088/0029-5515/46/8/005

Temperature oscillating regimes in Tore Supra diagnosed by MHD activity

P. Maget, F. Imbeaux, G. Giruzzi, V.S. Udintsev, G.T.A. Huysmans, J.L. Ségui, M. Goniche, Ph. Moreau, R. Sabot, X. Garbet

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Abstract

This paper describes what we can learn on the regimes of spontaneous electron temperature oscillations discovered in Tore Supra from the analysis of MHD activity. Since the first observations of this oscillating behaviour of plasma equilibrium, and its interpretation as a predator-prey system involving lower hybrid waves power deposition and electron confinement, analysis of MHD modes has confirmed the reality of safety factor profile oscillations. This points towards the importance of rational values of the safety factor in the transition to transport barriers in reversed magnetic shear plasmas.

Original language	English
Pages (from-to)	797-806
Journal	Nuclear Fusion
Volume	46
Issue number	8
DOIs	https://doi.org/10.1088/0029-5515/46/8/005
Publication status	Published - 1 Aug 2006
Externally published	Yes

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title = "Temperature oscillating regimes in Tore Supra diagnosed by MHD activity",

abstract = "This paper describes what we can learn on the regimes of spontaneous electron temperature oscillations discovered in Tore Supra from the analysis of MHD activity. Since the first observations of this oscillating behaviour of plasma equilibrium, and its interpretation as a predator-prey system involving lower hybrid waves power deposition and electron confinement, analysis of MHD modes has confirmed the reality of safety factor profile oscillations. This points towards the importance of rational values of the safety factor in the transition to transport barriers in reversed magnetic shear plasmas.",

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T1 - Temperature oscillating regimes in Tore Supra diagnosed by MHD activity

AU - Maget, P.

AU - Imbeaux, F.

AU - Giruzzi, G.

AU - Udintsev, V.S.

AU - Huysmans, G.T.A.

AU - Ségui, J.L.

AU - Goniche, M.

AU - Moreau, Ph.

AU - Sabot, R.

AU - Garbet, X.

PY - 2006/8/1

Y1 - 2006/8/1

N2 - This paper describes what we can learn on the regimes of spontaneous electron temperature oscillations discovered in Tore Supra from the analysis of MHD activity. Since the first observations of this oscillating behaviour of plasma equilibrium, and its interpretation as a predator-prey system involving lower hybrid waves power deposition and electron confinement, analysis of MHD modes has confirmed the reality of safety factor profile oscillations. This points towards the importance of rational values of the safety factor in the transition to transport barriers in reversed magnetic shear plasmas.

AB - This paper describes what we can learn on the regimes of spontaneous electron temperature oscillations discovered in Tore Supra from the analysis of MHD activity. Since the first observations of this oscillating behaviour of plasma equilibrium, and its interpretation as a predator-prey system involving lower hybrid waves power deposition and electron confinement, analysis of MHD modes has confirmed the reality of safety factor profile oscillations. This points towards the importance of rational values of the safety factor in the transition to transport barriers in reversed magnetic shear plasmas.

U2 - 10.1088/0029-5515/46/8/005

DO - 10.1088/0029-5515/46/8/005

M3 - Article

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VL - 46

SP - 797

EP - 806

JO - Nuclear Fusion

JF - Nuclear Fusion

IS - 8

ER -

Temperature oscillating regimes in Tore Supra diagnosed by MHD activity

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