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Self-organization towards helical states in the Toroidal Pinch Experiment reversed-field pinch (Articolo in rivista)
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- Self-organization towards helical states in the Toroidal Pinch Experiment reversed-field pinch (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.1629693 (literal)
- Alternative label
Piovesan, P; Spizzo, G; Yagi, Y; Koguchi, H; Shimada, T; Hirano, Y; Martin, P (2004)
Self-organization towards helical states in the Toroidal Pinch Experiment reversed-field pinch
in Physics of plasmas
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Piovesan, P; Spizzo, G; Yagi, Y; Koguchi, H; Shimada, T; Hirano, Y; Martin, P (literal)
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- http://pop.aip.org/resource/1/phpaen/v11/i1/p151_s1 (literal)
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- Piovesan, P; Spizzo, G; Martin, P: Consorzio RFX, Associazione EURATOM-ENEA sulla Fusione, Corso Stati Uniti 4, 35127 Padova, Italy
Yagi, Y; Koguchi, H; Shimada, T; Hirano, Y: Fusion Plasma Group, Energy Electronics Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba-shi, Ibaraki-ken 305-8568, Japan (literal)
- Titolo
- Self-organization towards helical states in the Toroidal Pinch Experiment reversed-field pinch (literal)
- Abstract
- In this paper results of an experimental study of magnetic fluctuations in the Toroidal Pinch
Experiment -TPE-RX [Y. Yagi, S. Sekine, H. Sakakita et al., Fus. Eng. Design 45, 409 (1999)] are
reported. This study has permitted the identification of the experimental conditions under which the
usually turbulent spectrum of magnetic fluctuations in TPE-RX turns into a single tearing mode, in
the so-called quasi-single helicity ~QSH! state. The large data set has allowed us to provide a
complete two dimensional map of QSH probability in the current F plane, being F
5Bf(a)/^Bf&. Two main basins of high QSH probability have been found. The first one, at high
current and low uFu, confirms previous results on QSH in other machines; the second one is
completely new, and is found at low current and high F. These studies show that QSH is a robust,
device-independent phenomenon, and a significant step towards a laminar type of dynamo in the
reversed-field pinch configuration. © 2004 American Institute of Physics. (literal)
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