Neoclassical nature of the radial electric field at the low-to-high confinement 
transition

Kiviniemi, T. P.; Sipilä, S. K.; Rozhansky, V. A.; Voskoboynikov, S. P.; Kaveeva, E. G.; Heikkinen, J. A.; Coster, D. P.; Schneider, R.; Bonnin, X.

doi:10.1063/1.1570827

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Neoclassical nature of the radial electric field at the low-to-high confinement transition

Kiviniemi, T. P., Sipilä, S. K., Rozhansky, V. A., Voskoboynikov, S. P., Kaveeva, E. G., Heikkinen, J. A., et al. (2003). Neoclassical nature of the radial electric field at the low-to-high confinement transition. Physics of Plasmas, 10(6), 2604-2607. doi:10.1063/1.1570827.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3F2A-A Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3F2B-8

Genre: Journal Article

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Creators:
Kiviniemi, T. P.¹, Author
Sipilä, S. K.¹, Author
Rozhansky, V. A.¹, Author
Voskoboynikov, S. P.¹, Author
Kaveeva, E. G.¹, Author
Heikkinen, J. A.¹, Author
Coster, D. P.², Author
Schneider, R.³, Author
Bonnin, X.⁴, Author

Affiliations:
1Helsinki University of Technology, Euratom Association TEKES, Department of Engineering Physics and Mathematics, P.O. Box 2200, FIN-02015 HUT, Finland; St. Petersburg State Technical University, St. Petersburg, Russian Federation; VTT Processes, Euratom Association TEKES, FIN-02044, VTT, Finland, ou_persistent22
2Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309
3Stellarator Theory (ST), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856287
4External Organizations, ou_persistent22

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Abstract: The radial electric field E_r at the tokamak plasma edge is simulated both with a two-dimensional (2D) fluid code solving the most complete system of transport equations and with five-dimensional (three-dimensional in configuration space and 2D in velocity space) Monte Carlo particle following code. At low to high confinement transition conditions, the E_r×B shearing rate is found to be high enough for turbulence suppression even though the field is essentially neoclassical. Here, B is the magnetic field. No bifurcation of E_r is found.

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Language(s): eng - English

Dates: Date issued: 2003

Publication Status: Issued

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Rev. Type: Peer

Identifiers: eDoc: 112204
DOI: 10.1063/1.1570827
URI: http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=PHPAEN000010000006002604000001&idtype=cvips

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Title: Physics of Plasmas

Alternative Title : Phys. Plasmas

Source Genre: Journal

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Pages: - Volume / Issue: 10 (6) Sequence Number: - Start / End Page: 2604 - 2607 Identifier: -