Overview of recent results on heating and current drive in the JET tokamak

M. L. Mayoral; J. Ongena; A. Argouarch; Yu Baranov; T. Blackman; V. Bobkov; R. Budny; L. Colas; A. Czarnecka; L. Delpech; F. Durodié; A. Ekedahl; M. Gauthier; M. Goniche; R. Goulding; M. Graham; J. Hillairet; S. Huygen; Ph Jacquet; T. Johnson; V. Kiptily; K. Kirov; M. Laxåback; E. Lerche; J. Mailloux; I. Monakhov; M. F.F. Nave; M. Nightingale; V. Plyusnin; V. Petrzilka; F. Rimini; D. Van Eester; A. Whitehurst; E. Wooldridge; M. Vrancken

doi:10.1063/1.3273777

Overview of recent results on heating and current drive in the JET tokamak

M. L. Mayoral, J. Ongena, A. Argouarch, Yu Baranov, T. Blackman, V. Bobkov, R. Budny, L. Colas, A. Czarnecka, L. Delpech, F. Durodié, A. Ekedahl, M. Gauthier, M. Goniche, R. Goulding, M. Graham, J. Hillairet, S. Huygen, Ph Jacquet, T. JohnsonV. Kiptily, K. Kirov, M. Laxåback, E. Lerche, J. Mailloux, I. Monakhov, M. F.F. Nave, M. Nightingale, V. Plyusnin, V. Petrzilka, F. Rimini, D. Van Eester, A. Whitehurst, E. Wooldridge, M. Vrancken

Laboratory for Plasma Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

In this paper, significant results in the heating and current drive domains obtained at JET in the past few years following systems upgrade and dedicated experimental time, will be reviewed. Firstly, an overview of the new Ion Cyclotron Resonance Frequency (ICRF) heating capabilities will be presented i.e. results from the ITER-Like ICRF antenna (ILA), the use of External Conjugate-T and 3dB hybrid couplers to increase the ICRF power during ELMy H-mode. Furthermore, experiments to study the influence of the phasing of the ICRF antenna on power absorption and coupling will be described. Looking at Low Hybrid (LH) issues for ITER, the effect of the location of gas injection on the LH coupling improvement at large launcher-separatrix distances will be discussed as the possibility to operate at ITER-relevant power densities. Experiments to characterise the LH power losses in the Scrape-Off-Layer (SOL) and to determine the LH wave absorption and current drive using power modulation will be shown. Finally, plasma rotation studies in the presence of ICRF heating with standard and enhanced JET toroidal field ripple will be presented.

Original language	English
Title of host publication	Radio Frequency Power in plasmas - Proceedings of the 18th Topical Conference
Pages	39-46
Number of pages	8
DOIs	https://doi.org/10.1063/1.3273777
Publication status	Published - 2009
Event	18th Topical Conference on Radio Frequency Power in plasmas - Gent, Belgium Duration: 24 Jun 2009 → 26 Jun 2009

Publication series

Name	AIP Conference Proceedings
Volume	1187
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	18th Topical Conference on Radio Frequency Power in plasmas
Country/Territory	Belgium
City	Gent
Period	24/06/09 → 26/06/09

Keywords

Conjugate-T
Current drive
ELM tolerance
Heating
ICRF
JET
LH
Rotation

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10.1063/1.3273777

Cite this

Mayoral, M. L., Ongena, J., Argouarch, A., Baranov, Y., Blackman, T., Bobkov, V., Budny, R., Colas, L., Czarnecka, A., Delpech, L., Durodié, F., Ekedahl, A., Gauthier, M., Goniche, M., Goulding, R., Graham, M., Hillairet, J., Huygen, S., Jacquet, P., ... Vrancken, M. (2009). Overview of recent results on heating and current drive in the JET tokamak. In Radio Frequency Power in plasmas - Proceedings of the 18th Topical Conference (pp. 39-46). (AIP Conference Proceedings; Vol. 1187). https://doi.org/10.1063/1.3273777

@inproceedings{596da219a46e499b8f0dc32dbbacacec,

title = "Overview of recent results on heating and current drive in the JET tokamak",

abstract = "In this paper, significant results in the heating and current drive domains obtained at JET in the past few years following systems upgrade and dedicated experimental time, will be reviewed. Firstly, an overview of the new Ion Cyclotron Resonance Frequency (ICRF) heating capabilities will be presented i.e. results from the ITER-Like ICRF antenna (ILA), the use of External Conjugate-T and 3dB hybrid couplers to increase the ICRF power during ELMy H-mode. Furthermore, experiments to study the influence of the phasing of the ICRF antenna on power absorption and coupling will be described. Looking at Low Hybrid (LH) issues for ITER, the effect of the location of gas injection on the LH coupling improvement at large launcher-separatrix distances will be discussed as the possibility to operate at ITER-relevant power densities. Experiments to characterise the LH power losses in the Scrape-Off-Layer (SOL) and to determine the LH wave absorption and current drive using power modulation will be shown. Finally, plasma rotation studies in the presence of ICRF heating with standard and enhanced JET toroidal field ripple will be presented.",

keywords = "Conjugate-T, Current drive, ELM tolerance, Heating, ICRF, JET, LH, Rotation",

author = "Mayoral, {M. L.} and J. Ongena and A. Argouarch and Yu Baranov and T. Blackman and V. Bobkov and R. Budny and L. Colas and A. Czarnecka and L. Delpech and F. Durodi{\'e} and A. Ekedahl and M. Gauthier and M. Goniche and R. Goulding and M. Graham and J. Hillairet and S. Huygen and Ph Jacquet and T. Johnson and V. Kiptily and K. Kirov and M. Lax{\aa}back and E. Lerche and J. Mailloux and I. Monakhov and Nave, {M. F.F.} and M. Nightingale and V. Plyusnin and V. Petrzilka and F. Rimini and {Van Eester}, D. and A. Whitehurst and E. Wooldridge and M. Vrancken",

year = "2009",

doi = "10.1063/1.3273777",

language = "English",

isbn = "9780735407534",

series = "AIP Conference Proceedings",

pages = "39--46",

booktitle = "Radio Frequency Power in plasmas - Proceedings of the 18th Topical Conference",

note = "18th Topical Conference on Radio Frequency Power in plasmas ; Conference date: 24-06-2009 Through 26-06-2009",

}

Mayoral, ML, Ongena, J, Argouarch, A, Baranov, Y, Blackman, T, Bobkov, V, Budny, R, Colas, L, Czarnecka, A, Delpech, L, Durodié, F, Ekedahl, A, Gauthier, M, Goniche, M, Goulding, R, Graham, M, Hillairet, J, Huygen, S, Jacquet, P, Johnson, T, Kiptily, V, Kirov, K, Laxåback, M, Lerche, E, Mailloux, J, Monakhov, I, Nave, MFF, Nightingale, M, Plyusnin, V, Petrzilka, V, Rimini, F, Van Eester, D, Whitehurst, A, Wooldridge, E & Vrancken, M 2009, Overview of recent results on heating and current drive in the JET tokamak. in Radio Frequency Power in plasmas - Proceedings of the 18th Topical Conference. AIP Conference Proceedings, vol. 1187, pp. 39-46, 18th Topical Conference on Radio Frequency Power in plasmas, Gent, Belgium, 24/06/09. https://doi.org/10.1063/1.3273777

TY - GEN

T1 - Overview of recent results on heating and current drive in the JET tokamak

AU - Mayoral, M. L.

AU - Ongena, J.

AU - Argouarch, A.

AU - Baranov, Yu

AU - Blackman, T.

AU - Bobkov, V.

AU - Budny, R.

AU - Colas, L.

AU - Czarnecka, A.

AU - Delpech, L.

AU - Durodié, F.

AU - Ekedahl, A.

AU - Gauthier, M.

AU - Goniche, M.

AU - Goulding, R.

AU - Graham, M.

AU - Hillairet, J.

AU - Huygen, S.

AU - Jacquet, Ph

AU - Johnson, T.

AU - Kiptily, V.

AU - Kirov, K.

AU - Laxåback, M.

AU - Lerche, E.

AU - Mailloux, J.

AU - Monakhov, I.

AU - Nave, M. F.F.

AU - Nightingale, M.

AU - Plyusnin, V.

AU - Petrzilka, V.

AU - Rimini, F.

AU - Van Eester, D.

AU - Whitehurst, A.

AU - Wooldridge, E.

AU - Vrancken, M.

PY - 2009

Y1 - 2009

N2 - In this paper, significant results in the heating and current drive domains obtained at JET in the past few years following systems upgrade and dedicated experimental time, will be reviewed. Firstly, an overview of the new Ion Cyclotron Resonance Frequency (ICRF) heating capabilities will be presented i.e. results from the ITER-Like ICRF antenna (ILA), the use of External Conjugate-T and 3dB hybrid couplers to increase the ICRF power during ELMy H-mode. Furthermore, experiments to study the influence of the phasing of the ICRF antenna on power absorption and coupling will be described. Looking at Low Hybrid (LH) issues for ITER, the effect of the location of gas injection on the LH coupling improvement at large launcher-separatrix distances will be discussed as the possibility to operate at ITER-relevant power densities. Experiments to characterise the LH power losses in the Scrape-Off-Layer (SOL) and to determine the LH wave absorption and current drive using power modulation will be shown. Finally, plasma rotation studies in the presence of ICRF heating with standard and enhanced JET toroidal field ripple will be presented.

AB - In this paper, significant results in the heating and current drive domains obtained at JET in the past few years following systems upgrade and dedicated experimental time, will be reviewed. Firstly, an overview of the new Ion Cyclotron Resonance Frequency (ICRF) heating capabilities will be presented i.e. results from the ITER-Like ICRF antenna (ILA), the use of External Conjugate-T and 3dB hybrid couplers to increase the ICRF power during ELMy H-mode. Furthermore, experiments to study the influence of the phasing of the ICRF antenna on power absorption and coupling will be described. Looking at Low Hybrid (LH) issues for ITER, the effect of the location of gas injection on the LH coupling improvement at large launcher-separatrix distances will be discussed as the possibility to operate at ITER-relevant power densities. Experiments to characterise the LH power losses in the Scrape-Off-Layer (SOL) and to determine the LH wave absorption and current drive using power modulation will be shown. Finally, plasma rotation studies in the presence of ICRF heating with standard and enhanced JET toroidal field ripple will be presented.

KW - Conjugate-T

KW - Current drive

KW - ELM tolerance

KW - Heating

KW - ICRF

KW - JET

KW - LH

KW - Rotation

UR - http://www.scopus.com/inward/record.url?scp=73449148681&partnerID=8YFLogxK

U2 - 10.1063/1.3273777

DO - 10.1063/1.3273777

M3 - Conference contribution

AN - SCOPUS:73449148681

SN - 9780735407534

T3 - AIP Conference Proceedings

SP - 39

EP - 46

BT - Radio Frequency Power in plasmas - Proceedings of the 18th Topical Conference

T2 - 18th Topical Conference on Radio Frequency Power in plasmas

Y2 - 24 June 2009 through 26 June 2009

ER -

Overview of recent results on heating and current drive in the JET tokamak

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Keywords

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