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  Transient heat transport studies in JET conventional and advanced tokamak plasmas

Mantica, P., Coffey, I., Dux, R., Garbet, X., Garzotti, L., Gorini, G., et al. (2003). Transient heat transport studies in JET conventional and advanced tokamak plasmas. In Fusion Energy 2002. Vienna: International Atomic Energy Agency.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-3C77-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-3C78-3
Genre: Conference Paper

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 Creators:
Mantica, P.1, Author
Coffey, I.1, Author
Dux, R.2, Author              
Garbet, X.1, Author
Garzotti, L.1, Author
Gorini, G.1, Author
Imbeaux, F.1, Author
Joffrin, E.1, Author
Kinsey, J.1, Author
Mantsinen, M.1, Author
Mooney, R.1, Author
Parail, V.3, Author              
Sarazin, Y.1, Author
Sozzi, C.1, Author
Suttrop, W.4, Author              
Tardini, G.5, Author              
Van Eester, D.1, Author
JET EFDA Contributors1, Author
Affiliations:
1Istituto di Fisica del Plasma, EURATOM-ENEA-CNR Association, Milan, Italy ; Euratom/UKAEA Fusion Association, Culham Science Centre, Abingdon, Oxon, UK; Association Euratom-CEA, CEA Cadarache, St Paul-lez-Durance Cedex, France; Istituto Gas Ionizzati, EURATOM-ENEA-CNR Association, Padova, Italy; INFM, Dept. of Physics, Univ. of Milano-Bicocca, Milano, Italy; Lehigh University, Bethlehem, Pennsylvania, US; Helsinki Univ. of Technology, Association Euratom-Tekes, Finland; LPP-ERM/KMS, Association Euratom-Belgium, TEC, Brussels, Belgium, ou_persistent22              
2Experimental Plasma Physics 4 (E4), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856293              
3Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society
4Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856292              
5Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856295              

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 Abstract: Transient transport studies have long been recognised as a valuable complement to steady-state analysis for the understanding of transport mechanisms. Recently, transient transport data have proved to be a powerful tool to test the validity of physics-based transport models. In this paper, results from transient heat transport experiments in JET and their modelling will be presented. Edge cold pulses and modulation of ICRH (in Mode Conversion scheme) and NBI power have been used to provide detectable electron (Te) and ion (Ti) temperature perturbations. The experiments have been performed either in conventional plasma regimes or in Advanced Tokamak regimes, in the presence of an Internal Transport Barrier (ITB). In conventional plasmas issues such as stiffness, influence of Te/Ti, non-locality have been addressed. In ITB plasmas, insight into the physics of ITBs and the ITB formation mechanisms has been gained. The use of edge perturbations for ITB triggering has been explored. Modelling of the experimental results has been performed using both empirical models and physics-based models. Results of cold pulse experiments in ITBs have also been compared with turbulence simulations.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Internal
 Identifiers: eDoc: 60379
 Degree: -

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Title: 19th Fusion Energy Conference
Place of Event: Lyon (FR)
Start-/End Date: 2002-10-14 - 2002-10-19

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Title: Fusion Energy 2002
Source Genre: Proceedings
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Publ. Info: Vienna : International Atomic Energy Agency
Pages: CD-ROM Volume / Issue: - Sequence Number: EX/P1-04 Start / End Page: - Identifier: -