Isotope identity experiments in JET-ILW with H and D L-mode plasmas

被引：36

作者：

Maggi, C. F. ^{[1
,2
]}

Weisen, H. ^{[1
,3
,42
]}

Casson, F. J. ^{[1
,2
,16
]}

Auriemma, F. ^{[1
,4
,21
]}

Lorenzini, R. ^{[1
,4
,21
]}

Nordman, H. ^{[1
,5
,25
]}

Delabie, E. ^{[1
,6
,82
]}

Eriksson, F. ^{[1
,5
,25
]}

Flanagan, J. ^{[1
,2
,16
]}

Keeling, D. ^{[1
,2
]}

King, D. ^{[1
,2
,16
]}

Horvath, L. ^{[1
,7
,118
]}

Menmuir, S. ^{[1
,2
,16
,51
]}

Salmi, A. ^{[1
,8
,120
]}

Sips, G. ^{[1
,9
]}

Tala, T. ^{[1
,8
,120
]}

Voitsekhovich, I ^{[1
,2
]}

Abduallev, S. ^{[48
]}

Abhangi, M. ^{[55
]}

Abreu, P. ^{[62
]}

Afzal, M. ^{[16
]}

Aggarwal, K. M. ^{[38
]}

Ahlgren, T. ^{[110
]}

Ahn, J. H. ^{[17
]}

Aho-Mantila, L. ^{[120
]}

Aiba, N. ^{[78
]}

Airila, M. ^{[120
]}

Albanese, R. ^{[113
]}

Aldred, V. ^{[16
]}

Alegre, D. ^{[102
]}

Alessi, E. ^{[54
]}

Aleynikov, P. ^{[64
]}

Alfier, A. ^{[21
]}

Alkseev, A. ^{[81
]}

Allinson, M. ^{[16
]}

Alper, B. ^{[16
]}

Alves, E. ^{[62
]}

Ambrosino, G. ^{[113
]}

Ambrosino, R. ^{[114
]}

Amicucci, L. ^{[99
]}

Amosov, V. ^{[97
]}

Sunden, E. Andersson ^{[31
]}

Angelone, M. ^{[99
]}

Anghel, M. ^{[94
]}

Angioni, C. ^{[71
]}

Appel, L. ^{[16
]}

Appelbee, C. ^{[16
]}

Arena, P. ^{[39
]}

Ariola, M. ^{[114
]}

Arnichand, H. ^{[17
]}

机构：

[1] EUROfus Consortium, Culham Sci Ctr, JET, Abingdon OX14 3DB, Oxon, England

[2] Culham Sci Ctr, CCFE, Abingdon OX14 3DB, Oxon, England

[3] Ecole Polytech Fed Lausanne, SPC, Lausanne, Switzerland

[4] Consorzio RFX, Corso Stati Uniti 4, I-35127 Padua, Italy

[5] Chalmers Univ Technol, Gothenburg, Sweden

[6] Oak Ridge Natl Lab, Oak Ridge, TN USA

[7] Univ York, York Plasma Inst, Dept Phys, York YO10 5DD, N Yorkshire, England

[8] VTT, FI-02044 Espoo, Finland

[9] European Commiss, Brussels, Belgium

[10] Aalto Univ, POB 14100, FIN-00076 Aalto, Finland

[11] Aix Marseille Univ, CNRS, Ctr Marseille, M2P2 UMR 7340, F-13451 Marseille, France

[12] Aix Marseille Univ, CNRS, IUSTI UMR 7343, F-13013 Marseille, France

[13] Aix Marseille Univ, CNRS, PIIM, UMR 7345, F-13013 Marseille, France

[14] Arizona State Univ, Tempe, AZ USA

[15] Barcelona Supercomp Ctr, Barcelona, Spain

[16] CCFE Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England

[17] CEA, IRFM, F-13108 St Paul Les Durance, France

[18] Univ Calif San Diego, Ctr Energy Res, La Jolla, CA 92093 USA

[19] Ctr Brasileiro Pesquisas Fis, Rua Xavier Sigaud 160, BR-22290180 Rio De Janeiro, Brazil

[20] Consorzio CREATE, Via Claudio 21, I-80125 Naples, Italy

[21] Consorzio RFX, Corso Stati Uniti 4, I-35127 Padua, Italy

[22] Daegu Univ, Gyongsan 712174, Gyeongbuk, South Korea

[23] Univ Carlos III Madrid, Dept Fis, Madrid 28911, Spain

[24] Univ Ghent, Dept Appl Phys UG, St Pietersnieuwstr 41, B-9000 Ghent, Belgium

[25] Chalmers Univ Technol, Dept Earth & Space Sci, SE-41296 Gothenburg, Sweden

[26] Univ Cagliari, Dept Elect & Elect Engn, Piazza Armi 09123, Cagliari, Italy

[27] Comenius Univ, Dept Expt Phys, Fac Math Phys & Informat, Mlynska Dolina F2, Bratislava 84248, Slovakia

[28] Warsaw Univ Technol, Dept Mat Sci, PL-01152 Warsaw, Poland

[29] Korea Adv Inst Sci & Technol, Dept Nucl & Quantum Engn, Daejeon 34141, South Korea

[30] Univ Strathclyde, Dept Phys & Appl Phys, Glasgow G4 ONG, Lanark, Scotland

[31] Uppsala Univ, Dept Phys & Astron, SE-75120 Uppsala, Sweden

[32] Chalmers Univ Technol, Dept Phys, S-41296 Gothenburg, Sweden

[33] Imperial Coll London, Dept Phys, London SW7 2AZ, England

[34] KTH, SCI, Dept Phys, SE-10691 Stockholm, Sweden

[35] Univ Basel, Dept Phys, Basel, Switzerland

[36] Univ Oxford, Dept Phys, Oxford OX1 2JD, England

[37] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[38] Queens Univ, Dept Pure & Appl Phys, Belfast BT7 1NN, Antrim, North Ireland

[39] Univ Catania, Dipartimento Ingn Elettr Elettron & Informat, I-95125 Catania, Italy

[40] Univ Trento, Dipartimento Ingn Ind, Trento, Italy

[41] Dublin City Univ, Dublin, Ireland

[42] Swiss Plasma Ctr, EPFL, CH-1015 Lausanne, Switzerland

[43] EUROfus Programme Management Unit, Boltzmannstr 2, D-85748 Garching, Germany

[44] Culham Sci Ctr, EUROfus Programme Management Unit, Culham OX14 3DB, England

[45] European Commiss, B-1049 Brussels, Belgium

[46] ULB, Fluid & Plasma Dynam, Campus Plaine CP 231 Blvd Triomphe, B-1050 Brussels, Belgium

[47] FOM Inst DIFFER, Eindhoven, Netherlands

[48] Forschungszentrum Julich GmbH, Inst Energie & Klimaforsch Plasmaphys, D-52425 Julich, Germany

[49] Fourth State Res, 503 Lockhart Dr, Austin, TX USA

[50] Fus Energy Joint Undertaking, Josep Pl 2,Torres Diagonal Litoral B3, Barcelona 08019, Spain

来源：

NUCLEAR FUSION | 2019年 / 59卷 / 07期

基金：

英国工程与自然科学研究理事会;

关键词：

tokamak plasmas; isotope identity; JET-ILW; CONFINEMENT;

D O I：

10.1088/1741-4326/ab1ccd

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

NBI-heated L-mode plasmas have been obtained in JET with the Be/W ITER-like wall (JET-ILW) in H and D, with matched profiles of the dimensionless plasma parameters, rho*, nu*, beta and q in the plasma core confinement region and same T-i/T-e and Z(eff). The achieved isotope identity indicates that the confinement scale invariance principle is satisfied in the core confinement region of these plasmas, where the dominant instabilities are Ion Temperature Gradient (ITG) modes. The dimensionless thermal energy confinement time, Omega(i) tau(E,th), and the scaled core plasma heat diffusivity, A chi(eff)/B-T, are identical in H and D within error bars, indicating lack of isotope mass dependence of the dimensionless L-mode thermal energy confinement time in JET-ILW. Predictive flux driven simulations with JETTO-TGLF of the H and D identity pair is in very good agreement with experiment for both isotopes: the stiff core heat transport, typical of JET-ILW NBI heated L-modes, overcomes the local gyro-Bohm scaling of gradient-driven TGLF, explaining the lack of isotope mass dependence in the confinement region of these plasmas. The effect of E x B shearing on the predicted heat and particle transport channels is found to be negligible for these low beta and low momentum input plasmas.

引用

页数：11

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