http://www.cnr.it/ontology/cnr/individuo/prodotto/ID26073
Equilibrium reconstruction for single helical axis reversed field pinch plasmas (Articolo in rivista)
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- Equilibrium reconstruction for single helical axis reversed field pinch plasmas (Articolo in rivista) (literal)
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- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1088/0741-3335/53/3/035015 (literal)
- Alternative label
E. Martines; R. Lorenzini; B. Momo; D. Terranova; P. Zanca; A. Alfier; F. Bonomo; A. Canton; A. Fassina; P. Franz; P. Innocente (2011)
Equilibrium reconstruction for single helical axis reversed field pinch plasmas
in Plasma physics and controlled fusion (Print); IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- E. Martines; R. Lorenzini; B. Momo; D. Terranova; P. Zanca; A. Alfier; F. Bonomo; A. Canton; A. Fassina; P. Franz; P. Innocente (literal)
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- Article Number: 035015 -
La rivista è pubblicata anche online con ISSN 1361-6587. (literal)
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- Issue 3, Article Number 035015 (literal)
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- Consorzio RFX, Associazione Euratom-ENEA sulla Fusione, corso Stati Uniti 4, 35127 Padova, Italy (literal)
- Titolo
- Equilibrium reconstruction for single helical axis reversed field pinch plasmas (literal)
- Abstract
- Single helical axis configurations are emerging as the natural state for high-current reversed field pinch plasmas. These states feature the presence of transport barriers in the core plasma. Here we present a method for computing the equilibrium magnetic surfaces for these states in the force-free approximation, which has been implemented in the SHEq code. The method is based on the superposition of a zeroth-order axisymmetric equilibrium and of a first-order helical perturbation computed according to Newcomb's equation supplemented with edge magnetic field measurements. The mapping of the measured electron temperature profiles, soft x-ray emission and interferometric density measurements on the computed magnetic surfaces demonstrates the quality of the equilibrium reconstruction. The procedure for computing flux surface averages is illustrated, and applied to the evaluation of the thermal conductivity profile. The consistency of the evaluated equilibria with Ohm's law is also discussed. (literal)
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