Overview of recent results from the ST40 compact high-field spherical tokamak

被引：6

作者：

McNamara, S. A. M. ^{[1
]}

Alieva, A. ^{[1
]}

Tzanis, M. S. Anastopoulos ^{[1
]}

Asunta, O. ^{[1
]}

Bland, J. ^{[1
]}

Bohlin, H. ^{[1
]}

Buxton, P. F. ^{[1
]}

Colgan, C. ^{[1
]}

Dnestrovskii, A. ^{[1
]}

du Toit, E. ^{[1
]}

Fontana, M. ^{[1
]}

Gemmell, M. ^{[1
]}

Gryaznevich, M. P. ^{[1
]}

Hakosalo, J. ^{[1
]}

Hardman, M. R. ^{[1
]}

Harryman, D. ^{[1
]}

Hoffman, D. ^{[1
]}

Iliasova, M. ^{[1
]}

Janhunen, S. ^{[1
]}

Janky, F. ^{[1
]}

Lister, J. B. ^{[1
]}

Lowe, H. F. ^{[1
]}

Maartensson, E. ^{[1
]}

Marsden, C. ^{[1
]}

Medvedev, S. Y. ^{[1
]}

Mirfayzi, S. R. ^{[1
]}

Moscheni, M. ^{[1
]}

Naylor, G. ^{[1
]}

Nemytov, V. ^{[1
]}

Njau, J. ^{[1
]}

O'Gorman, T. ^{[1
]}

Osin, D. ^{[1
]}

Pyragius, T. ^{[1
]}

Rengle, A. ^{[1
]}

Romanelli, M. ^{[1
]}

Romero, C. ^{[1
]}

Sertoli, M. ^{[1
]}

Shevchenko, V. ^{[1
]}

Sinha, J. ^{[1
]}

Sladkomedova, A. ^{[1
]}

Sridhar, S. ^{[1
]}

Stirling, J. ^{[1
]}

Takase, Y. ^{[1
]}

Thomas, P. R. ^{[1
]}

Varje, J. ^{[1
]}

Vekshina, E. ^{[1
]}

Vincent, B. ^{[1
]}

Willett, H. V. ^{[1
]}

Wood, J. ^{[1
]}

Wooldridge, E. ^{[1
]}

机构：

[1] Tokamak Energy Ltd, Milton Pk, Abingdon OX14 4SD, Oxon, England

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

[3] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[4] Forschungszentrum Julich, Inst Energie & Klimaforsch Plasmaphys, Partner Trilateral Euregio Cluster TEC, D-52425 Julich, Germany

来源：

NUCLEAR FUSION | 2024年 / 64卷 / 11期

关键词：

spherical tokamak; high-field; ST40; overview; CONFINEMENT MODES; FEATURES;

D O I：

10.1088/1741-4326/ad6ba7

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：

ST40 is a compact, high-field (B-T0 <= 2.1T) spherical tokamak (ST) with a mission to expand the physics and technology basis for the ST route to commercial fusion. The ST40 research programme covers confinement and stability; solenoid-free start-up; high-performance operating scenarios; and plasma exhaust. In 2022, ST40 obtained central deuterium ion temperatures of 9.6 +/- 0.4 keV, demonstrating for the first time that pilot plant relevant ion temperatures can be reached in a compact, high-field ST. Analysis of these high-ion temperature plasmas is presented, including a summary of confinement, transport and microstability characteristics, and energetic particle instabilities. Recent scenario development activities have focused on establishing diverted H-mode plasmas across a range of toroidal fields and plasma currents, along with scenarios with high non-inductive current fractions. In future operations, beginning in 2025, a 1 MW dual frequency (104/137 GHz) electron cyclotron (EC) system will be installed to enable the study of EC and electron Bernstein wave plasma start-up and current drive. Predictive modelling of the potential performance of these systems is presented.

引用

页数：14

共 13 条

[11] Engineering-Physical Model (GLOBSYS) for the Next STEP of the Globus-M Spherical Tokamak Program: Verification of Some Subsystems on Achieved and Predictable Data from Installations NSTX, NSTX-U, MAST, MAST-U, and ST40
Mineev, A. B.
Bondarchuk, E. N.
Kavin, A. A.
Konin, A. Yu.
Rodin, I. Yu.
Tanchuk, V. N.
Trofimov, V. A.
Filatov, O. G.
Bakharev, N. N.
Zhilzov, N. S.
Kurskiev, G. S.
Kiselev, E. O.
Minaev, V. B.
Sakharov, N. V.
Petrov, Yu. V.
Telnova, A. Yu.
PHYSICS OF ATOMIC NUCLEI, 2022, 85 (07) : 1205 - 1213
[12] Technical Note: Experimental results from a prototype high-field inline MRI-linac
Liney, G. P.
Dong, B.
Begg, J.
Vial, P.
Zhang, K.
Lee, F.
Walker, A.
Rai, R.
Causer, T.
Alnaghy, S. J.
Oborn, B. M.
Holloway, L.
Metcalfe, P.
Barton, M.
Crozier, S.
Keall, P.
MEDICAL PHYSICS, 2016, 43 (09) : 5188 - 5194
[13] Multi-harmonic electron cyclotron heating and current drive scenarios for non-inductive start-up and ramp-up in high field ST-40 spherical tokamak
Ono, M.
Bertelli, N.
Shevchenko, V
NUCLEAR FUSION, 2022, 62 (10)

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