Exact magnetohydrodynamic equilibria with flow and effects on the Shafranov shift
| dc.contributor.author | Throumoulopoulos, G. N. | en |
| dc.contributor.author | Poulipoulis, G. | en |
| dc.contributor.author | Pantis, G. | en |
| dc.contributor.author | Tasso, H. | en |
| dc.date.accessioned | 2015-11-24T18:28:52Z | |
| dc.date.available | 2015-11-24T18:28:52Z | |
| dc.identifier.issn | 0375-9601 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16197 | |
| dc.rights | Default Licence | - |
| dc.subject | magnetohydrodynamics | en |
| dc.subject | equilibrium | en |
| dc.subject | plasma flows | en |
| dc.subject | magnetic confinement | en |
| dc.subject | astrophysics | en |
| dc.subject | incompressible flows | en |
| dc.subject | astrophysical jets | en |
| dc.subject | plasma | en |
| dc.subject | suppression | en |
| dc.title | Exact magnetohydrodynamic equilibria with flow and effects on the Shafranov shift | en |
| heal.abstract | Exact solutions of the equation governing the equilibrium magnetohydrodynamic states of an axisymmetric plasma with incompressible flows of arbitrary direction [Phys. Pasmas 5 (1998) 2378] are constructed for toroidal current density profiles peaked on the magnetic axis in connection with the ansatz S = -ku, where S = d/du[rho(dPhi/du)(2)] (k is a parameter, u labels the magnetic surfaces; rho(u) and Phi(u) are the density and the electrostatic potential, respectively). They pertain to either unbounded plasmas of astrophysical concern or bounded plasmas of arbitrary aspect ratio. For k = 0, a case which includes flows parallel to the magnetic field, the solutions are expressed in terms of Kummer functions while for k not equal 0 in terms of Airy functions. On the basis of a tokamak solution with k not equal 0 describing a plasma surrounded by a perfectly conducted boundary of rectangular cross-section it turns out that the Shafranov shift is a decreasing function which can vanish for a positive value of k. This value is larger the smaller the aspect ratio of the configuration. (C) 2003 Published by Elsevier B.V. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | DOI 10.1016/j.physleta.2003.09.005 | - |
| heal.identifier.secondary | <Go to ISI>://000186248100017 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/S0375960103013471/1-s2.0-S0375960103013471-main.pdf?_tid=279d8d41cd8919bf0706c11562ad2353&acdnat=1334232525_0d9668ce4d5bb518d76c6e58fffbb79e | - |
| heal.journalName | Physics Letters A | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2003 | - |
| 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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