Analytic magnetohydrodynamic equilibria of a magnetically confined plasma with sheared flows
| dc.contributor.author | Simintzis, C. | en |
| dc.contributor.author | Throumoulopoulos, G. N. | en |
| dc.contributor.author | Pantis, G. | en |
| dc.contributor.author | Tasso, H. | en |
| dc.date.accessioned | 2015-11-24T18:32:56Z | |
| dc.date.available | 2015-11-24T18:32:56Z | |
| dc.identifier.issn | 1070-664X | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16655 | |
| dc.rights | Default Licence | - |
| dc.subject | incompressible flows | en |
| dc.title | Analytic magnetohydrodynamic equilibria of a magnetically confined plasma with sheared flows | en |
| heal.abstract | Analytic solutions of the magnetohydrodynamic equilibrium equations for a symmetric magnetically confined plasma with sheared incompressible flows associated with electric fields similar to those observed in the transition from the low- to the high-confinement mode in tokamaks are constructed in cylindrical and toroidal geometries. In particular, an exact toroidal solution is obtained which for vanishing flows reduces to the Solovev equilibrium which has been extensively employed in tokamak confinement studies. Owing to the flow, several toroidal configurations having either one or two stagnation points are possible in addition to the usual ones with a single magnetic axis. For flows pertaining to tokamak operational regime the extremum of the electric field becomes larger as flow and its shear increase, the location of the extremum being, however, nearly independent of these variations. In addition, the flow affects the safety factor profile and the shape of the magnetic surfaces and results in an increase of the magnetic shear and a decrease of the toroidal beta. The impact of plasma elongation on the above-mentioned confinement figures of merit is also evaluated. (C) 2001 American Institute of Physics. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | <Go to ISI>://000168862800008 | - |
| heal.identifier.secondary | http://link.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=PHPAEN000008000006002641000001 | - |
| heal.journalName | Physics of Plasmas | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2001 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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