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

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

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Abstract

The radial electric field Er 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 Er×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 Er is found.
Original languageEnglish
Pages (from-to)2604-2607
Number of pages4
JournalPhysics of Plasmas
Volume10
Issue number6
DOIs
Publication statusPublished - 2003
MoE publication typeA1 Journal article-refereed

Fingerprint

electric fields
shearing
turbulence
retarding
fluids
configurations
magnetic fields

Keywords

  • plasma
  • plasma toroidal confinement
  • plasma boundary layers
  • Monte Carlo method
  • Monte Carlo
  • plasma transport processes
  • plasma turbulence
  • electric fields

Cite this

Kiviniemi, T. P., Sipilä, S. K., Rozhansky, V. A., Voskoboynikov, S. P., Kaveeva, E. G., Heikkinen, J. A., ... Bonnin, X. (2003). Neoclassical nature of the radial electric field at the low-to-high confinement transition. Physics of Plasmas, 10(6), 2604-2607. https://doi.org/10.1063/1.1570827
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. / Neoclassical nature of the radial electric field at the low-to-high confinement transition. In: Physics of Plasmas. 2003 ; Vol. 10, No. 6. pp. 2604-2607.
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keywords = "plasma, plasma toroidal confinement, plasma boundary layers, Monte Carlo method, Monte Carlo, plasma transport processes, plasma turbulence, electric fields",
author = "T.P. Kiviniemi and S.K. Sipil{\"a} and V.A. Rozhansky and S.P. Voskoboynikov and E.G. Kaveeva and J.A. Heikkinen and D.P. Coster and R. Schneider and X. Bonnin",
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Kiviniemi, TP, Sipilä, SK, Rozhansky, VA, Voskoboynikov, SP, Kaveeva, EG, Heikkinen, JA, Coster, DP, Schneider, R & Bonnin, X 2003, 'Neoclassical nature of the radial electric field at the low-to-high confinement transition', Physics of Plasmas, vol. 10, no. 6, pp. 2604-2607. https://doi.org/10.1063/1.1570827

Neoclassical nature of the radial electric field at the low-to-high confinement transition. / Kiviniemi, T.P. (Corresponding Author); Sipilä, S.K.; Rozhansky, V.A.; Voskoboynikov, S.P.; Kaveeva, E.G.; Heikkinen, J.A.; Coster, D.P.; Schneider, R. ; Bonnin, X.

In: Physics of Plasmas, Vol. 10, No. 6, 2003, p. 2604-2607.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Neoclassical nature of the radial electric field at the low-to-high confinement transition

AU - Kiviniemi, T.P.

AU - Sipilä, S.K.

AU - Rozhansky, V.A.

AU - Voskoboynikov, S.P.

AU - Kaveeva, E.G.

AU - Heikkinen, J.A.

AU - Coster, D.P.

AU - Schneider, R.

AU - Bonnin, X.

PY - 2003

Y1 - 2003

N2 - The radial electric field Er 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 Er is found.

AB - The radial electric field Er 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 Er is found.

KW - plasma

KW - plasma toroidal confinement

KW - plasma boundary layers

KW - Monte Carlo method

KW - Monte Carlo

KW - plasma transport processes

KW - plasma turbulence

KW - electric fields

U2 - 10.1063/1.1570827

DO - 10.1063/1.1570827

M3 - Article

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EP - 2607

JO - Physics of Plasmas

JF - Physics of Plasmas

SN - 1527-2419

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Kiviniemi TP, Sipilä SK, Rozhansky VA, Voskoboynikov SP, Kaveeva EG, Heikkinen JA et al. Neoclassical nature of the radial electric field at the low-to-high confinement transition. Physics of Plasmas. 2003;10(6):2604-2607. https://doi.org/10.1063/1.1570827