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Reconnection processes and scaling laws in reversed field pinch magnetohydrodynamics (Articolo in rivista)
- Type
- Label
- Reconnection processes and scaling laws in reversed field pinch magnetohydrodynamics (Articolo in rivista) (literal)
- Anno
- 1996-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1088/0029-5515/36/5/I05 (literal)
- Alternative label
S. Cappello and D. Biskamp (1996)
Reconnection processes and scaling laws in reversed field pinch magnetohydrodynamics
in Nuclear fusion; IOP Publishing Ltd. (Institute of Physics Publishing Ltd), "Bristol ; London" (Regno Unito); IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- S. Cappello and D. Biskamp (literal)
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- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://iopscience.iop.org/0029-5515/36/5/I05/pdf/0029-5515_36_5_I05.pdf (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- S. CAPPELLO
Gruppo di Padova per Ricerche sulla Fusione,
Associazioni Euratom-ENEA-CNR-Univerita' di Padova,
Padova, Italy
D. BISKAMP
Max-Planck-Institut fur Plasmaphysik,
Euratom Association, Garching, Germany (literal)
- Titolo
- Reconnection processes and scaling laws in reversed field pinch magnetohydrodynamics (literal)
- Abstract
- Reversed field pinch (RFP) sustainment is studied in the framework of three dimensional
magnetohydrodynamic (MHD) numerical simulations. The scaling law for the magnetic fluctuation
amplitude with Lundquist number S is 6B w S-o.22w, hich can be understood if the basic
dynamic processes are governed by current sheet reconnection. Quasi-periodic oscillations are in fact
found to be correlated with the presence of localized sheet currents, which for sufficiently large S make
the major contribution to the average power dissipated by fluctuations. Special attention is paid to
numerical convergence in the simulations. The results are compared with experimental observations. (literal)
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