The geometry of the ICRF-induced wave-SOL interaction. A multi-machine experimental review in view of the ITER operation

被引：33

作者：

Colas, L. ^{[1
]}

Urbanczyk, G. ^{[1
,2
]}

Goniche, M. ^{[1
]}

Hillairet, J. ^{[1
]}

Bernard, J. -M. ^{[1
]}

Bourdelle, C. ^{[1
]}

Fedorczak, N. ^{[1
]}

Guillemaut, C. ^{[1
]}

Helou, W. ^{[3
]}

Bobkov, V. ^{[4
]}

Ochoukov, R. ^{[4
]}

Jacquet, Ph. ^{[5
]}

Lerche, E. ^{[5
,6
]}

Zhang, X. ^{[7
]}

Qin, C. ^{[7
]}

Klepper, C. C. ^{[8
]}

Lau, C. ^{[8
]}

Van Compernolle, B. ^{[9
]}

Wukitch, S. J. ^{[10
]}

Lin, Y. ^{[10
]}

Ono, M. ^{[11
]}

机构：

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

[2] Shenzhen Univ, Coll Phys & Optoelect Engn, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China

[3] ITER Org, Route Vinon sur Verdon,CS 90 046, F-13067 St Paul Les Durance, France

[4] Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany

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

[6] Royal Mil Acad, Plasma Phys Lab, B-1000 Brussels, Belgium

[7] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China

[8] Oak Ridge Natl Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37830 USA

[9] Gen Atom, San Diego, CA USA

[10] MIT, Plasma Sci Fus Ctr, Cambridge, MA 02139 USA

[11] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA

来源：

NUCLEAR FUSION | 2022年 / 62卷 / 01期

关键词：

RF sheath; ICRH; biasing; E x B convection; erosion; heat load; SCRAPE-OFF LAYER; ANTENNA-PLASMA INTERACTIONS; RETARDING-FIELD ANALYZER; FARADAY SCREEN; DENSITY CONVECTION; HEAT LOADS; JET; POWER; PERFORMANCE; WALL;

D O I：

10.1088/1741-4326/ac35f9

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：

As part of ITPA-Integrated Operational Scenario activities, this contribution reviews recent experimental characterizations of radio-frequency (RF)-induced scrape-off layer (SOL) modifications of various tokamaks worldwide and of the LArge Plasma Device at UCLA. The phenomenology, as observed using a large variety of measurement techniques, is consistent with expectations from RF sheath rectification. Emphasis is then put on the complex three-dimensional (3D) spatial patterns of the RF-SOL interaction, in relation to the magnetic topology and the spatial distribution of RF currents over the metallic structures surrounding the RF wave launchers. Dependence on the local plasma parameters in the antenna vicinity is also briefly addressed. The final part discusses implications for future devices.

引用

页数：17

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