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Автор X Litaudon
Автор T Aniel
Автор Y Baranov
Автор D Bartlett
Автор A Bécoulet
Автор C Challis
Автор G D Conway
Автор G A Cottrell
Автор A Ekedahl
Автор M Erba
Автор L Eriksson
Автор C Gormezano
Автор G T Hoang
Автор G Huysmans
Автор F Imbeaux
Автор E Joffrin
Автор M Mantsinen
Автор V Parail
Автор Y Peysson
Автор F Rochard
Автор P Schild
Автор A Sips
Автор F X Söldner
Автор B Tubbing
Автор I Voitsekhovitch
Автор D Ward
Автор W Zwingmann
Дата выпуска 1999-03-01
dc.description Formation of core regions in Tore Supra and JET tokamaks with reduced transport coefficients is reported. Characteristics of the enhanced confinement regions and the physics process involved in their formation and maintenance should be considered separately when the electron or ion components are predominantly heated. In Tore Supra and JET, central electron temperature transitions are observed by injecting lower hybrid waves at modest power levels during the current ramp-up phase of the discharges. Transport analyses stress the importance of the low magnetic shear in the core to explain the anomalous electron transport reduction. With high-power dominant ion heating schemes in JET (neutral beam injection and ion cyclotron resonance heating), internal transport barriers have been obtained in plasmas fuelled with a mixture of deuterium-tritium (D-T) ions leading to a successful production of fusion power (8.2 MW) in this regime. Similar additional power levels to those applied in pure deuterium (D-D) plasmas are required to establish internal transport barriers in D-T plasmas. In D-D and D-T plasmas, ion thermal diffusivities are reduced close to their neoclassical levels in the plasma core and electron thermal diffusivities decrease by one order of magnitude at midplasma radius. The combined role of magnetic shear and velocity shear can explain the formation and evolution of plasma core regions with low energy transport coefficients.
Формат application.pdf
Издатель Institute of Physics Publishing
Название Electron and ion internal transport barriers in Tore Supra and JET
Тип paper
DOI 10.1088/0741-3335/41/3A/066
Electronic ISSN 1361-6587
Print ISSN 0741-3335
Журнал Plasma Physics and Controlled Fusion
Том 41
Первая страница A733
Последняя страница A746
Аффилиация X Litaudon; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация T Aniel; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация Y Baranov; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация D Bartlett; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация A Bécoulet; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация C Challis; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация G D Conway; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация G A Cottrell; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация A Ekedahl; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация M Erba; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация L Eriksson; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация C Gormezano; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация G T Hoang; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация G Huysmans; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация F Imbeaux; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация E Joffrin; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация M Mantsinen; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация V Parail; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация Y Peysson; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация F Rochard; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация P Schild; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация A Sips; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация F X Söldner; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация B Tubbing; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация I Voitsekhovitch; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация D Ward; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Аффилиация W Zwingmann; JET Joint Undertaking, Abingdon, Oxon OX14 3EA, UK
Выпуск 3A

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