http://www.cnr.it/ontology/cnr/individuo/prodotto/ID189280
Bifurcation to 3D Helical Magnetic Equilibrium in an Axisymmetric Toroidal Device (Abstract/Poster in atti di convegno)
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- Bifurcation to 3D Helical Magnetic Equilibrium in an Axisymmetric Toroidal Device (Abstract/Poster in atti di convegno) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Alternative label
D. L. Brower; W.F. Bergerson; W.X. Ding; L. Lin; B.E. Chapman; J.S. Sarff; F. Auriemma; P. Zanca; P. Innocente; R. Lorenzini; E. Martines; M. Momo; D. Terranova (2011)
Bifurcation to 3D Helical Magnetic Equilibrium in an Axisymmetric Toroidal Device
in 53rd Annual Meeting of the APS Division of Plasma Physics (APS 2011), Salt Lake City - Utah USA, 14-18 novembre 2011
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- D. L. Brower; W.F. Bergerson; W.X. Ding; L. Lin; B.E. Chapman; J.S. Sarff; F. Auriemma; P. Zanca; P. Innocente; R. Lorenzini; E. Martines; M. Momo; D. Terranova (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- Abstract ID: BAPS.2011.DPP.BP9.87; ISSN Rivista 0003-0503 (print and linking); To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.DPP.BP9.87 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://meetings.aps.org/Meeting/DPP11/Event/151789 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
- Bulletin of the American Physical Society - 53rd Annual Meeting of the APS Division of Plasma Physics (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1 UCLA;
2 University of Wisconsin-Madison;
3 Consorzio RFX, Padova, Italy.
(D. L. Brower 1; W.F. Bergerson 1; W.X. Ding 1; L. Lin 1; B.E. Chapman 2; J.S. Sarff 2; F. Auriemma 3; P. Zanca 3; P. Innocente 3; R. Lorenzini 3; E. Martines 3; M. Momo 3; D. Terranova 3) (literal)
- Titolo
- Bifurcation to 3D Helical Magnetic Equilibrium in an Axisymmetric Toroidal Device (literal)
- Abstract
- We report the first direct measurement of the internal magnetic field structure associated with a 3D helical equilibrium generated spontaneously in the core of an axisymmetric, magnetically-confined, toroidal plasma. Magnetohydrodynamic equilibrium bifurcation occurs in MST RFP plasmas when the innermost resonant magnetic perturbation grows to large amplitude, reaching up to 8{\%} of the mean field strength. Evolution of the magnetic topology is determined by measuring the Faraday effect, revealing that as the perturbation grows, toroidal symmetry is broken, and a helical equilibrium is established. Computational reconstruction of the magnetic field and electron density profiles based on a 3D topology agrees well with experimental data, providing a better fit than reconstructions based on a standard 2D cylindrical topology. These helical plasmas sometimes exhibit an improvement in electron particle confinement and increased temperature. (literal)
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