Millimeter-wave beam scattering and induced broadening by plasma turbulence in the TCV tokamak

The TCV Teama

doi:10.1088/1741-4326/abf43f

Millimeter-wave beam scattering and induced broadening by plasma turbulence in the TCV tokamak

The TCV Teama

Laboratory for Plasma Physics

Ecole Polytechnique Federale de Lausanne
Princeton Plasma Physics Laboratory
Max-Planck-Institut für Plasmaphysik
University of Texas at Austin
Istituto Ricerche Solari Locarno
Consorzio Rfx
University of Napoli 'Federico II'
Istituto di Fisica del Plasma Piero Caldirola
Durham University
University of Napoli Parthenope
ITER
University of Seville
Inst. of Plasma Physics of the National Science Center, Kharkiv Institute of Physics and Technology
Eindhoven University of Technology
Center for Energy Research
Institute of Plasma Physics, Academy of Sciences of the Czech Republic
ENEA Centro Ricerche Frascati
University of Milano-Bicocca
Commissariat à l'Énergie Atomique (CEA)
University of York
University of Tuscia
University of Rome Tor Vergata
Université Aix Marseille
Culham Centre for Fusion Energy
Institute of Plasma Physics and Laser Microfusion
University of Oxford
Universitat Innsbruck
Instituto Superior Técnico
Chalmers University of Technology
KTH Royal Institute of Technology
University of Strathclyde
University of the Basque Country (UPV/EHU)
Technical University of Denmark
Jozef Stefan Institute
VTT Technical Research Centre of Finland
Vienna University of Technology
Ecole Polytechnique
FOM Institute DIFFER
MIT Plasma Science and Fusion Center
Aristotle University of Thessaloniki
Institute of Nuclear Physics PAN
National Technical University of Athens
Kurchatov Institute
National Research Nuclear University MEPhI
Aalto University
Narodowe Centrum Badań Jadrowych
IDOM s.a.
General Atomics
Department of Electrical and Electronic Engineering
UNIVERSITY COLLEGE CORK, NATIONAL UNIVERSITY OF IRELAND, CORK
University of Cagliari
FORSCHUNGSZENTRUM JULICH GMBH
Princeton University
National Institutes for Quantum and Radiological Science and Technology
National and Kapodistrian University of Athens

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

17 Zitate (Scopus)

Abstract

The scattering of millimeter-wave beams from electron density fluctuations and the associated beam broadening are experimentally demonstrated. Using a dedicated setup, instantaneous deflection and (de-)focusing of the beam due to density blobs on the beam path are shown to agree with full-wave simulations. The detected time-averaged wave power transmitted through the turbulent plasma is reproduced by the radiative-transfer model implemented in the WKBeam code, which predicts a ∼50% turbulence-induced broadening of the beam cross-section. The role of core turbulence for the considered geometry is highlighted.

Originalsprache	Englisch
Aufsatznummer	066011
Fachzeitschrift	Nuclear Fusion
Jahrgang	61
Ausgabenummer	6
DOIs	https://doi.org/10.1088/1741-4326/abf43f
Publikationsstatus	Veröffentlicht - Juni 2021

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10.1088/1741-4326/abf43f

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@article{9347c94b96b04bfebfcb2e4562c14482,

title = "Millimeter-wave beam scattering and induced broadening by plasma turbulence in the TCV tokamak",

abstract = "The scattering of millimeter-wave beams from electron density fluctuations and the associated beam broadening are experimentally demonstrated. Using a dedicated setup, instantaneous deflection and (de-)focusing of the beam due to density blobs on the beam path are shown to agree with full-wave simulations. The detected time-averaged wave power transmitted through the turbulent plasma is reproduced by the radiative-transfer model implemented in the WKBeam code, which predicts a ∼50\% turbulence-induced broadening of the beam cross-section. The role of core turbulence for the considered geometry is highlighted.",

keywords = "ITER, Langmuir probes, electron-cyclotron resonant heating, full-wave simulations, millimeter-wave beam, millimeter-wave scattering, plasma turbulence",

author = "O. Chella{\"i} and S. Alberti and I. Furno and Goodman, \{T. P.\} and O. Maj and G. Merlo and E. Poli and P. Ricci and F. Riva and H. Weber and S. Coda and M. Agostini and R. Albanese and E. Alessi and S. Allan and J. Allcock and R. Ambrosino and H. Anand and Y. Andr{\`e}be and H. Arnichand and F. Auriemma and Ayllon-Guerola, \{J. M.\} and F. Bagnato and J. Ball and M. Baquero-Ruiz and Beletskii, \{A. A.\} and M. Bernert and W. Bin and P. Blanchard and Blanken, \{T. C.\} and Boedo, \{J. A.\} and O. Bogar and T. Bolzonella and F. Bombarda and N. Bonanomi and F. Bouquey and C. Bowman and D. Brida and J. Bucalossi and J. Buermans and H. Bufferand and P. Buratti and G. Calabr{\'o} and L. Calacci and Y. Camenen and D. Carnevale and F. Carpanese and M. Carr and L. Carraro and T. Wauters and \{The TCV Teama\}",

note = "Publisher Copyright: {\textcopyright} EURATOM 2021.",

year = "2021",

month = jun,

doi = "10.1088/1741-4326/abf43f",

language = "English",

volume = "61",

journal = "Nuclear Fusion",

issn = "0029-5515",

number = "6",

}

TY - JOUR

T1 - Millimeter-wave beam scattering and induced broadening by plasma turbulence in the TCV tokamak

AU - Chellaï, O.

AU - Alberti, S.

AU - Furno, I.

AU - Goodman, T. P.

AU - Maj, O.

AU - Merlo, G.

AU - Poli, E.

AU - Ricci, P.

AU - Riva, F.

AU - Weber, H.

AU - Coda, S.

AU - Agostini, M.

AU - Albanese, R.

AU - Alessi, E.

AU - Allan, S.

AU - Allcock, J.

AU - Ambrosino, R.

AU - Anand, H.

AU - Andrèbe, Y.

AU - Arnichand, H.

AU - Auriemma, F.

AU - Ayllon-Guerola, J. M.

AU - Bagnato, F.

AU - Ball, J.

AU - Baquero-Ruiz, M.

AU - Beletskii, A. A.

AU - Bernert, M.

AU - Bin, W.

AU - Blanchard, P.

AU - Blanken, T. C.

AU - Boedo, J. A.

AU - Bogar, O.

AU - Bolzonella, T.

AU - Bombarda, F.

AU - Bonanomi, N.

AU - Bouquey, F.

AU - Bowman, C.

AU - Brida, D.

AU - Bucalossi, J.

AU - Buermans, J.

AU - Bufferand, H.

AU - Buratti, P.

AU - Calabró, G.

AU - Calacci, L.

AU - Camenen, Y.

AU - Carnevale, D.

AU - Carpanese, F.

AU - Carr, M.

AU - Carraro, L.

AU - Wauters, T.

AU - The TCV Teama

PY - 2021/6

Y1 - 2021/6

N2 - The scattering of millimeter-wave beams from electron density fluctuations and the associated beam broadening are experimentally demonstrated. Using a dedicated setup, instantaneous deflection and (de-)focusing of the beam due to density blobs on the beam path are shown to agree with full-wave simulations. The detected time-averaged wave power transmitted through the turbulent plasma is reproduced by the radiative-transfer model implemented in the WKBeam code, which predicts a ∼50% turbulence-induced broadening of the beam cross-section. The role of core turbulence for the considered geometry is highlighted.

AB - The scattering of millimeter-wave beams from electron density fluctuations and the associated beam broadening are experimentally demonstrated. Using a dedicated setup, instantaneous deflection and (de-)focusing of the beam due to density blobs on the beam path are shown to agree with full-wave simulations. The detected time-averaged wave power transmitted through the turbulent plasma is reproduced by the radiative-transfer model implemented in the WKBeam code, which predicts a ∼50% turbulence-induced broadening of the beam cross-section. The role of core turbulence for the considered geometry is highlighted.

KW - ITER

KW - Langmuir probes

KW - electron-cyclotron resonant heating

KW - full-wave simulations

KW - millimeter-wave beam

KW - millimeter-wave scattering

KW - plasma turbulence

UR - https://www.scopus.com/pages/publications/85105972776

U2 - 10.1088/1741-4326/abf43f

DO - 10.1088/1741-4326/abf43f

M3 - Article

AN - SCOPUS:85105972776

SN - 0029-5515

VL - 61

JO - Nuclear Fusion

JF - Nuclear Fusion

IS - 6

M1 - 066011

ER -

Millimeter-wave beam scattering and induced broadening by plasma turbulence in the TCV tokamak

Abstract

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