WEST Physics Basis

Bourdelle, C.; Artaud, J. F.; Basiuk, V.; Becoulet, M.; Bremond, S.; Bucalossi, J.; Bufferand, H.; Ciraolo, G.; Colas, L.; Corre, Y.; Courtois, X.; Decker, Joan; Delpech, L.; Devynck, P.; Aho-Mantila, L.; Airila, M.; Asunta, O.; Chang, C. S.; Collins, S.; Eriksson, J.; Eriksson, L. G.; Evans, J.; Gao, X.; Groth, M.; Hakola, A.; Horton, A. R.; Hughes, M.; Karhunen, J.; Koskela, T.; Kurki-Suonio, T.; Lee, S.; Liu, G.; Liu, Y.; Lopez, J. M.; Makkonen, T.; Martin, D. L.; Miettunen, J.; Moradi, S.; Moulton, D.; Ranjan, S.; Salmi, A.; Santala, M. I. K.; Silva, C.; Sinha, A.; Siren, P.; Smith, T. J.; Sun, Y.; Thomas, P.; Yao, L.; , JET Contributors

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WEST Physics Basis

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Title:	WEST Physics Basis
Author(s):	Bourdelle, C. ; Artaud, J. F. ; Basiuk, V. ; Becoulet, M. ; Bremond, S. ; Bucalossi, J. ; Bufferand, H. ; Ciraolo, G. ; Colas, L. ; Corre, Y. ; Courtois, X. ; Decker, Joan ; Delpech, L. ; Devynck, P. ; Aho-Mantila, L. ; Airila, M. ; Asunta, O. ; Chang, C. S. ; Collins, S. ; Eriksson, J. ; Eriksson, L. G. ; Evans, J. ; Gao, X. ; Groth, M. ; Hakola, A. ; Horton, A. R. ; Hughes, M. ; Karhunen, J. ; Koskela, T. ; Kurki-Suonio, T. ; Lee, S. ; Liu, G. ; Liu, Y. ; Lopez, J. M. ; Makkonen, T. ; Martin, D. L. ; Miettunen, J. ; Moradi, S. ; Moulton, D. ; Ranjan, S. ; Salmi, A. ; Santala, M. I. K. ; Silva, C. ; Sinha, A. ; Siren, P. ; Smith, T. J. ; Sun, Y. ; Thomas, P. ; Yao, L. ; , JET Contributors
Date:	2015-06
Language:	en
Pages:	15
Department:	IRFM-CEA Ecole Polytechnique Federale de Lausanne VTT Technical Research Centre of Finland Department of Applied Physics Princeton University Culham Science Centre Uppsala University European Commission Chinese Academy of Sciences National Fusion Research Institute ITER Universidad Politécnica de Madrid School services,SCI Sorbonne Université Institute for Plasma Research Universidade de Lisboa Research Center Julich University of Electronic Science and Technology of China
Series:	Nuclear Fusion, Volume 55, issue 6
ISSN:	0029-5515 1741-4326
DOI-number:	10.1088/0029-5515/55/6/063017
Keywords:	plasma facing components, divertor, tokamak, plasma physics, DENSITY PEAKING, DIVERTOR, PROFILE, EXTRAPOLATION, TRANSPORT, TOKAMAKS, BEHAVIOR, TUNGSTEN, LOSSES, POWER
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Citation: Bourdelle , C , Artaud , J F , Basiuk , V , Becoulet , M , Bremond , S , Bucalossi , J , Bufferand , H , Ciraolo , G , Colas , L , Corre , Y , Courtois , X , Decker , J , Delpech , L , Devynck , P , Aho-Mantila , L , Airila , M , Asunta , O , Chang , C S , Collins , S , Eriksson , J , Eriksson , L G , Evans , J , Gao , X , Groth , M , Hakola , A , Horton , A R , Hughes , M , Karhunen , J , Koskela , T , Kurki-Suonio , T , Lee , S , Liu , G , Liu , Y , Lopez , J M , Lopez , J M , Makkonen , T , Martin , D L , Miettunen , J , Moradi , S , Moulton , D , Ranjan , S , Salmi , A , Santala , M I K , Silva , C , Sinha , A , Siren , P , Smith , T J , Sun , Y , Thomas , P , Yao , L & JET Contributors 2015 , ' WEST Physics Basis ' , Nuclear Fusion , vol. 55 , no. 6 , 063017 . https://doi.org/10.1088/0029-5515/55/6/063017
Abstract: With WEST (Tungsten Environment in Steady State Tokamak) (Bucalossi et al 2014 Fusion Eng. Des. 89 907-12), the Tore Supra facility and team expertise (Dumont et al 2014 Plasma Phys. Control. Fusion 56 075020) is used to pave the way towards ITER divertor procurement and operation. It consists in implementing a divertor configuration and installing ITER-like actively cooled tungsten monoblocks in the Tore Supra tokamak, taking full benefit of its unique long-pulse capability. WEST is a user facility platform, open to all ITER partners. This paper describes the physics basis of WEST: the estimated heat flux on the divertor target, the planned heating schemes, the expected behaviour of the L-H threshold and of the pedestal and the potential W sources. A series of operating scenarios has been modelled, showing that ITER-relevant heat fluxes on the divertor can be achieved in WEST long pulse H-mode plasmas.

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