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

[1] Achievement of ion temperatures in excess of 100 million degrees Kelvin in the compact high-field spherical tokamak ST40
McNamara, S. A. M.
Asunta, O.
Bland, J.
Buxton, P. F.
Colgan, C.
Dnestrovskii, A.
Gemmell, M.
Gryaznevich, M.
Hoffman, D.
Janky, F.
Lister, J. B.
Lowe, H. F.
Mirfayzi, R. S.
Naylor, G.
Nemytov, V.
Njau, J.
Pyragius, T.
Rengle, A.
Romanelli, M.
Romero, C.
Sertoli, M.
Shevchenko, V.
Sinha, J.
Sladkomedova, A.
Sridhar, S.
Takase, Y.
Thomas, P.
Varje, J.
Vincent, B.
Willett, H. V.
Wood, J.
Zakhar, D.
Battaglia, D. J.
Kaye, S. M.
Delgado-Aparicio, L. F.
Maingi, R.
Mueller, D.
Podesta, M.
Delabie, E.
Lomanowski, B.
Marchuk, O.
NUCLEAR FUSION, 2023, 63 (05)
[2] On the confinement modeling of a high field spherical tokamak ST40
Dnestrovskiji, A. Yu
Connor, J. W.
Gryaznevich, M. P.
PLASMA PHYSICS AND CONTROLLED FUSION, 2019, 61 (05)
[3] Neutral beam optimisation for the spherical tokamak ST40
Salmi, A.
Gryaznevich, M.
Buxton, P.
Nightingale, M.
Tala, T.
FUSION ENGINEERING AND DESIGN, 2017, 117 : 14 - 19
[4] Joint testing of the 3 Tesla ST40 spherical tokamak toroidal field coil test assembly
Huang, B. K.
Mason, M.
McFarland, A.
Noonan, P.
Ross, J. S. H.
Sykes, A.
FUSION ENGINEERING AND DESIGN, 2017, 124 : 64 - 68
[5] Experiments on ST40 at high magnetic field
Gryaznevich, Mikhail
NUCLEAR FUSION, 2022, 62 (04)
[6] Linear instabilities in the hot-ion regime in a high-field spherical tokamak
Ren, Y.
Kaye, S. M.
Anastopoulos Tzanis, M. S.
Sertoli, M.
Dnestrovskii, A.
Romanelli, M.
PLASMA PHYSICS AND CONTROLLED FUSION, 2023, 65 (07)
[7] Interplay between beam-driven chirping modes and plasma confinement transitions in spherical tokamak ST40
Bland, J.
Varje, J.
Gorelenkov, N. N.
Gryaznevich, M. P.
Sharapov, S. E.
Wood, J.
NUCLEAR FUSION, 2023, 63 (01)
[8] Overview of GLOBUS-M2 spherical tokamak results at the enhanced values of magnetic field and plasma current
Petrov, Yury
Gusev, Vasily K.
Sakharov, Nikolay
Minaev, Vladimir
Varfolomeev, Vladimir
Dyachenko, V
Balachenkov, I. M.
Bakharev, Nikolai Nikolaevich
Bondarchuk, E. N.
Bulanin, Viktor
Chernyshev, F., V
Iliasova, Margarita
Kavin, A.
Khilkevich, Evgenii
Khromov, Nikolay
Kiselev, Evgeniy
Konovalov, Alexey N.
Kornev, Vladimir A.
Krikunov, Sergei, V
Kurskiev, Gleb Sergeevich
Melnik, Andrei D.
Miroshnikov, Igor Vitalievich
Novokhatsky, Alexandr
Zhiltsov, Nikita
Patrov, Mikhail
Petrov, Alexander
Ponomarenko, Anna
Shulyatiev, Konstantin
Shchegolev, Petr B.
Shevelev, A. E.
Skrekel, Olga
Telnova, Anna Yu
Tukhmeneva, Ekaterina
Tokarev, Valentin A.
Tolstyakov, Sergey
Voronin, A.
Yashin, Alexander
Bagryansky, Peter
Zhilin, Eugene G.
Goryainov, Valery
NUCLEAR FUSION, 2022, 62 (04)
[9] Overview of the SPARC physics basis towards the exploration of burning-plasma regimes in high-field, compact tokamaks
Rodriguez-Fernandez, P.
Creely, A. J.
Greenwald, M. J.
Brunner, D.
Ballinger, S. B.
Chrobak, C. P.
Garnier, D. T.
Granetz, R.
Hartwig, Z. S.
Howard, N. T.
Hughes, J. W.
Irby, J. H.
Izzo, V. A.
Kuang, A. Q.
Lin, Y.
Marmar, E. S.
Mumgaard, R. T.
Rea, C.
Reinke, M. L.
Riccardo, V
Rice, J. E.
Scott, S. D.
Sorbom, B. N.
Stillerman, J. A.
Sweeney, R.
Tinguely, R. A.
Whyte, D. G.
Wright, J. C.
Yuryev, D., V
NUCLEAR FUSION, 2022, 62 (04)
[10] 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
A. B. Mineev
E. N. Bondarchuk
A. A. Kavin
A. Yu. Konin
I. Yu. Rodin
V. N. Tanchuk
V. A. Trofimov
O. G. Filatov
N. N. Bakharev
N. S. Zhilzov
G. S. Kurskiev
E. O. Kiselev
V. B. Minaev
N. V. Sakharov
Yu. V. Petrov
A. Yu. Telnova
Physics of Atomic Nuclei, 2022, 85 : 1205 - 1213

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