http://www.cnr.it/ontology/cnr/individuo/prodotto/ID23144
Analysis and modelling of power modulation experiments in JET plasmas with internal transport barriers (Articolo in rivista)
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- Label
- Analysis and modelling of power modulation experiments in JET plasmas with internal transport barriers (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1088/0741-3335/48/10/002 (literal)
- Alternative label
Marinoni A., Mantica P., Van Eester D., Imbeaux F., Mantsinen M., Hawkes N., Joffrin E., Kiptily V., Pinches S.D., Salmi A., Sharapov S., Voitsekhovitch I., de Vries P., Zastrow K.D. and JET-EFDA contributors (2006)
Analysis and modelling of power modulation experiments in JET plasmas with internal transport barriers
in Plasma physics and controlled fusion (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Marinoni A., Mantica P., Van Eester D., Imbeaux F., Mantsinen M., Hawkes N., Joffrin E., Kiptily V., Pinches S.D., Salmi A., Sharapov S., Voitsekhovitch I., de Vries P., Zastrow K.D. and JET-EFDA contributors (literal)
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- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://iopscience.iop.org/0741-3335/48/10/002/ (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Politecnico di Milano, Milano, Italy;
IFP-CNR, Milan, Italy;
LPP-ERM/KMS, Brussels, Belgium;
CEA Cadarache, France;
Helsinki University of Technology, Finland;
Culham Science Centre, Abingdon, UK;
IPP, Garching, Germany;
FOM Institut voor Plasmafysica, The Netherlands (literal)
- Titolo
- Analysis and modelling of power modulation experiments in JET plasmas with internal transport barriers (literal)
- Abstract
- Understanding the physics of internal transport barriers (ITBs) is a crucial issue in developing ITER relevant advanced tokamak scenarios. To gain new information on ITBs, RF power modulation experiments, mainly devoted to the study of electron heat transport through ITBs, have been performed on the JET tokamak. The main physics results have been reported in [1]. The present paper describes in detail the data analysis and numerical modelling work carried out for the interpretation of the experiments. ITBs located in the negative shear region behave as localized insulating layers able to stop the heat wave propagation, thus implying that the ITB is a region of low diffusivity characterized by a loss of stiffness. Various sources of spurious effects affecting the interpretation of the results are analysed and discussed. First principle based models have so far failed to predict the temperature profile in the first place, which prevented their application to modulation results, while empirical transport models have been set up and reproduce the major part of the data. (literal)
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