Physics of transport in tokamaks

X. Garbet, P. Mantica, C. Angioni, E. Asp, Y. Baranov, C. Bourdelle, R. Budny, F. Crisanti, G. Cordey, L. Garzotti, N. Kirneva, D. Hogeweij, T. Hoang, F. Imbeaux, E. Joffrin, X. Litaudon, A. Manini, D.C. McDonald, H. Nordman, V. ParailA. Peeters, F. Ryter, C. Sozzi, M. Valovic, Tuomas Tala, A. Thyagaraja, I. Voitsekhovitch, J. Weiland, H. Weisen, A. Zabolotsky, JET-EFDA Contributors

Research output: Contribution to journalArticleScientificpeer-review

124 Citations (Scopus)

Abstract

This paper is an overview of recent results relating to turbulent particle and heat transport, and to the triggering of internal transport barriers (ITBs). The dependence of the turbulent particle pinch velocity on plasma parameters has been clarified and compared with experiment. Magnetic shear and collisionality are found to play a central role. Analysis of heat transport has made progress along two directions: dimensionless scaling laws, which are found to agree with the prediction for electrostatic turbulence, and analysis of modulation experiments, which provide a stringent test of transport models. Finally the formation of ITBs has been addressed by analysing electron transport barriers. It is confirmed that negative magnetic shear, combined with the Shafranov shift, is a robust stabilizing mechanism. However, some well established features of internal barriers are not explained by theory.
Original languageEnglish
Pages (from-to)B557 - B574
Number of pages18
JournalPlasma Physics and Controlled Fusion
Volume46
Issue number12B
DOIs
Publication statusPublished - 2004
MoE publication typeA1 Journal article-refereed

Fingerprint

Physics
physics
Scaling laws
Electrostatics
Turbulence
Experiments
Modulation
shear
Plasmas
heat
scaling laws
turbulence
electrostatics
modulation
Hot Temperature
shift
predictions
electrons
Electron Transport

Keywords

  • JET
  • plasma
  • fusion energy
  • fusion reactors
  • tokamak
  • internal transport barriers
  • magnetic shear

Cite this

Garbet, X., Mantica, P., Angioni, C., Asp, E., Baranov, Y., Bourdelle, C., ... JET-EFDA Contributors (2004). Physics of transport in tokamaks. Plasma Physics and Controlled Fusion, 46(12B), B557 - B574. https://doi.org/10.1088/0741-3335/46/12B/045
Garbet, X. ; Mantica, P. ; Angioni, C. ; Asp, E. ; Baranov, Y. ; Bourdelle, C. ; Budny, R. ; Crisanti, F. ; Cordey, G. ; Garzotti, L. ; Kirneva, N. ; Hogeweij, D. ; Hoang, T. ; Imbeaux, F. ; Joffrin, E. ; Litaudon, X. ; Manini, A. ; McDonald, D.C. ; Nordman, H. ; Parail, V. ; Peeters, A. ; Ryter, F. ; Sozzi, C. ; Valovic, M. ; Tala, Tuomas ; Thyagaraja, A. ; Voitsekhovitch, I. ; Weiland, J. ; Weisen, H. ; Zabolotsky, A. ; JET-EFDA Contributors. / Physics of transport in tokamaks. In: Plasma Physics and Controlled Fusion. 2004 ; Vol. 46, No. 12B. pp. B557 - B574.
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keywords = "JET, plasma, fusion energy, fusion reactors, tokamak, internal transport barriers, magnetic shear",
author = "X. Garbet and P. Mantica and C. Angioni and E. Asp and Y. Baranov and C. Bourdelle and R. Budny and F. Crisanti and G. Cordey and L. Garzotti and N. Kirneva and D. Hogeweij and T. Hoang and F. Imbeaux and E. Joffrin and X. Litaudon and A. Manini and D.C. McDonald and H. Nordman and V. Parail and A. Peeters and F. Ryter and C. Sozzi and M. Valovic and Tuomas Tala and A. Thyagaraja and I. Voitsekhovitch and J. Weiland and H. Weisen and A. Zabolotsky and {JET-EFDA Contributors}",
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Garbet, X, Mantica, P, Angioni, C, Asp, E, Baranov, Y, Bourdelle, C, Budny, R, Crisanti, F, Cordey, G, Garzotti, L, Kirneva, N, Hogeweij, D, Hoang, T, Imbeaux, F, Joffrin, E, Litaudon, X, Manini, A, McDonald, DC, Nordman, H, Parail, V, Peeters, A, Ryter, F, Sozzi, C, Valovic, M, Tala, T, Thyagaraja, A, Voitsekhovitch, I, Weiland, J, Weisen, H, Zabolotsky, A & JET-EFDA Contributors 2004, 'Physics of transport in tokamaks', Plasma Physics and Controlled Fusion, vol. 46, no. 12B, pp. B557 - B574. https://doi.org/10.1088/0741-3335/46/12B/045

Physics of transport in tokamaks. / Garbet, X.; Mantica, P.; Angioni, C.; Asp, E.; Baranov, Y.; Bourdelle, C.; Budny, R.; Crisanti, F.; Cordey, G.; Garzotti, L.; Kirneva, N.; Hogeweij, D.; Hoang, T.; Imbeaux, F.; Joffrin, E.; Litaudon, X.; Manini, A.; McDonald, D.C.; Nordman, H.; Parail, V.; Peeters, A.; Ryter, F.; Sozzi, C.; Valovic, M.; Tala, Tuomas; Thyagaraja, A.; Voitsekhovitch, I.; Weiland, J.; Weisen, H.; Zabolotsky, A.; JET-EFDA Contributors.

In: Plasma Physics and Controlled Fusion, Vol. 46, No. 12B, 2004, p. B557 - B574.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Physics of transport in tokamaks

AU - Garbet, X.

AU - Mantica, P.

AU - Angioni, C.

AU - Asp, E.

AU - Baranov, Y.

AU - Bourdelle, C.

AU - Budny, R.

AU - Crisanti, F.

AU - Cordey, G.

AU - Garzotti, L.

AU - Kirneva, N.

AU - Hogeweij, D.

AU - Hoang, T.

AU - Imbeaux, F.

AU - Joffrin, E.

AU - Litaudon, X.

AU - Manini, A.

AU - McDonald, D.C.

AU - Nordman, H.

AU - Parail, V.

AU - Peeters, A.

AU - Ryter, F.

AU - Sozzi, C.

AU - Valovic, M.

AU - Tala, Tuomas

AU - Thyagaraja, A.

AU - Voitsekhovitch, I.

AU - Weiland, J.

AU - Weisen, H.

AU - Zabolotsky, A.

AU - JET-EFDA Contributors, null

PY - 2004

Y1 - 2004

N2 - This paper is an overview of recent results relating to turbulent particle and heat transport, and to the triggering of internal transport barriers (ITBs). The dependence of the turbulent particle pinch velocity on plasma parameters has been clarified and compared with experiment. Magnetic shear and collisionality are found to play a central role. Analysis of heat transport has made progress along two directions: dimensionless scaling laws, which are found to agree with the prediction for electrostatic turbulence, and analysis of modulation experiments, which provide a stringent test of transport models. Finally the formation of ITBs has been addressed by analysing electron transport barriers. It is confirmed that negative magnetic shear, combined with the Shafranov shift, is a robust stabilizing mechanism. However, some well established features of internal barriers are not explained by theory.

AB - This paper is an overview of recent results relating to turbulent particle and heat transport, and to the triggering of internal transport barriers (ITBs). The dependence of the turbulent particle pinch velocity on plasma parameters has been clarified and compared with experiment. Magnetic shear and collisionality are found to play a central role. Analysis of heat transport has made progress along two directions: dimensionless scaling laws, which are found to agree with the prediction for electrostatic turbulence, and analysis of modulation experiments, which provide a stringent test of transport models. Finally the formation of ITBs has been addressed by analysing electron transport barriers. It is confirmed that negative magnetic shear, combined with the Shafranov shift, is a robust stabilizing mechanism. However, some well established features of internal barriers are not explained by theory.

KW - JET

KW - plasma

KW - fusion energy

KW - fusion reactors

KW - tokamak

KW - internal transport barriers

KW - magnetic shear

U2 - 10.1088/0741-3335/46/12B/045

DO - 10.1088/0741-3335/46/12B/045

M3 - Article

VL - 46

SP - B557 - B574

JO - Plasma Physics and Controlled Fusion

JF - Plasma Physics and Controlled Fusion

SN - 0741-3335

IS - 12B

ER -

Garbet X, Mantica P, Angioni C, Asp E, Baranov Y, Bourdelle C et al. Physics of transport in tokamaks. Plasma Physics and Controlled Fusion. 2004;46(12B):B557 - B574. https://doi.org/10.1088/0741-3335/46/12B/045