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  Turbulent particle transport in magnetized plasmas

Garbet, X., Garzotti, L., Mantica, P., Nordman, H., Valovic, M., Weisen, H., et al. (2003). Turbulent particle transport in magnetized plasmas. Physical Review Letters, 91: 035001. doi:10.1103/PhysRevLett.91.035001.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3ADF-B Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3AE0-5
Genre: Journal Article

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 Creators:
Garbet, X.1, Author
Garzotti, L.1, Author
Mantica, P.1, Author
Nordman, H.1, Author
Valovic, M.1, Author
Weisen, H.1, Author
Angioni, C.2, Author           
Affiliations:
1Association Euratom-CEA sur la Fusion, CEA Cadarache, 13108 St Paul-Lez-Durance, France; EURATOM-ENEA-CNR Association, Istituto Gas Ionizzati, Padova, Italy; Istituto di Fisica del Plasma CNR-EURATOM, via Cozzi 53, 20125 Milano, Italy; EFDA-JET, Culham Science Centre, Abingdon OX14 3DB, United Kingdom; EURATOM/UKAEA, Culham Science Centre, Abingdon OX14 3DB, United Kingdom; Association Euratom-Confédération Suisse, CRPP, EPFL, CH-1015 Lausanne, Switzerland, ou_persistent22              
2Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              

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 Abstract: Particle transport in magnetized plasmas is investigated with a fluid model of drift wave turbulence. An analytical calculation shows that magnetic field curvature and thermodiffusion drive an anomalous pinch. The curvature driven pinch velocity is consistent with the prediction of turbulence equipartition theory. The thermodiffusion flux is found to be directed inward for a small ratio of electron to ion pressure gradient, and it reverses its sign when increasing this ratio. Numerical simulations confirm that a turbulent particle pinch exists. It is mainly driven by curvature for equal ion and electron heat sources. The sign and relative weights of the curvature and thermodiffusion pinches are consistent with the analytical calculation.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 59832
DOI: 10.1103/PhysRevLett.91.035001
URI: http://ojps.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=PRLTAO000091000003035001000001&idtype=cvips
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Title: Physical Review Letters
  Alternative Title : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Copyright © 2003 The American Physical Society
Pages: - Volume / Issue: 91 Sequence Number: 035001 Start / End Page: - Identifier: -