Overview of results obtained at the Globus-M spherical tokamak

被引：29

作者：

Gusev, V. K. ^{[1
]}

Aleksandrov, S. E. ^{[1
]}

Alimov, V. Kh ^{[2
]}

Arkhipov, I. I. ^{[2
]}

Ayushin, B. B. ^{[1
]}

Barsukov, A. G. ^{[3
]}

Ber, B. Ya ^{[1
]}

Chernyshev, F. V. ^{[1
]}

Chugunov, I. N. ^{[1
]}

Dech, A. V. ^{[1
]}

Golant, V. E. ^{[1
]}

Gorodetsky, A. E. ^{[2
]}

Dyachenko, V. V. ^{[1
]}

Kochergin, M. M. ^{[1
]}

Kurskiev, G. S. ^{[1
]}

Khitrov, S. A. ^{[1
]}

Khromov, N. A. ^{[1
]}

Lebedev, V. M. ^{[4
]}

Leonov, V. M. ^{[3
]}

Litunovsky, N. V. ^{[5
]}

Mazul, I. V. ^{[5
]}

Minaev, V. B. ^{[1
]}

Mineev, A. B. ^{[5
]}

Mironov, M. I. ^{[1
]}

Miroshnikov, I. V. ^{[6
]}

Mukhin, E. E. ^{[1
]}

Nikolaev, Yu A. ^{[1
]}

Novokhatsky, A. N. ^{[1
]}

Panasenkov, A. A. ^{[3
]}

Patrov, M. I. ^{[1
]}

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

Petrov, Yu V. ^{[1
]}

Podushnikova, K. A. ^{[1
]}

Rozhansky, V. A. ^{[6
]}

Rozhdestvensky, V. V. ^{[1
]}

Sakharov, N. V. ^{[1
]}

Shcherbinin, O. N. ^{[1
]}

Senichenkov, I. Yu ^{[7
]}

Shevelev, A. E. ^{[1
]}

Suhov, E. V. ^{[7
]}

Trapesnikova, I. N. ^{[1
]}

Terukov, E. I. ^{[1
]}

Tilinin, G. N. ^{[3
]}

Tolstyakov, S. Yu ^{[1
]}

Varfolomeev, V. I. ^{[1
]}

Voronin, A. V. ^{[1
]}

Zakharov, A. P. ^{[2
]}

Zalavutdinov, R. Kh ^{[2
]}

Yagnov, V. A. ^{[8
]}

Kuznetsov, E. A. ^{[8
]}

机构：

[1] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 196140, Russia

[2] Russian Acad Sci, AN Frumkin Inst Phys Chem & Electrochem, Moscow, Russia

[3] NFI RRC Kurchatov Inst, Moscow, Russia

[4] Russian Acad Sci, BP Konstantinov Nucl Phys Inst, Gatchina, Russia

[5] DV Efremov Inst Electrophys Apparat, St Petersburg, Russia

[6] St Petersburg State Polytech Univ, St Petersburg, Russia

[7] St Petersburg State Univ, St Petersburg, Russia

[8] TRINITI, State Res Ctr Russian Federat, Troitsk, Moscow Region, Russia

[9] Ioffe Fus Technol Ltd, St Petersburg, Russia

来源：

NUCLEAR FUSION | 2009年 / 49卷 / 10期

关键词：

NUCLEAR-REACTION; CARBON MATERIALS; PLASMA; INJECTION; DEUTERIUM; TRANSPORT; PHYSICS; FILMS;

D O I：

10.1088/0029-5515/49/10/104021

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：

Experiments and simulations to achieve high values of plasma parameters at the Globus-M spherical tokamak (ST) at moderate absolute auxiliary heating power (up to 0.8 MW) and high specific heating power (up to 2-3 MW m(-3)) are described. Important distinguishing features are the low edge safety factor range, which is unusual for STs, 2.7 < q < 5 and small plasma-outer wall space (3-5 cm). High ion heating efficiency with neutral beam injection (NBI) was demonstrated. Results of numerical simulation of fast ion trajectories are described and fast ion generation during the NBI and ion cyclotron resonance heating is discussed. Investigations on their confinement and slowing down are also presented. Reasons for achievement of high IC heating efficiency are outlined. Reliable H-mode regime achievement is described. Transport ASTRA modelling demonstrated that during NB heated H-mode ion heat diffusivity remains neoclassical and the particle diffusion coefficient inside transport barrier decreases significantly. Analysis was performed of divertor tile and special probe surfaces after irradiation by plasma during a large number of shots (3000-10000 shots). Mixed layer composition is measured and deuterium retention in different tokamak first wall areas is estimated. Plasma jet injection experiments with upgraded plasma jet are described. Jet penetration to the plasma centre with immediate increase of density and temperature drop is proved and analogy with pellet injection is outlined.

引用

页数：11

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