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Steady-state operation in compact tokamaks with copper coils

机译：带铜线圈的紧凑型托卡马克器的稳态运行

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摘要

This paper considers a fast track to non-energy applications of nuclear fusion that is associated with the 'fusion for neutrons' (F4N) paradigm. Being a useful product accompanying energy, fusion neutrons are more valuable than the energy released in DT reactions and they are urgently needed for research purposes and to develop and validate modern technologies. In the near future neutron yield in fusion devices will become significantly larger than that of fission and accelerator sources. This paper describes a compact tokamak fusion neutron source based on a small spherical tokamak (FNS-ST) with a MW range of DT fusion power and considers the key physics issues of this device. The major and minor radii are～0.5 and～0.3 m with magnetic field～1.5 T, heating power less than 15 MW and plasma current 1-2 MA. The production rate of DT neutrons of (3-10) ×10~(17) n s~(-1) and their flux at the first wall of 0.2 MW m~(-2) ensure that the device is capable of fusion-fission demonstration experiments. The problems of major concern are discharge initiation, current drive, plasma-fast ion beam stability and high first wall and divertor loads. The conceptual design provides solutions to these problems and suggests the feasibility of the FNS-ST.
机译：本文考虑了与“中子聚变”（F4N）范式相关的核聚变的非能源应用快速通道。作为伴随能量的有用产品，聚变中子比DT反应中释放的能量更有价值，并且迫切需要它们用于研究目的以及开发和验证现代技术。在不久的将来，聚变装置中的中子产率将大大高于裂变和加速器源的中子产率。本文介绍了一种基于小型球形托卡马克（FNS-ST）的紧凑型托卡马克聚变中子源，该聚变中子源具有DT聚变功率的MW范围，并考虑了该装置的关键物理问题。大，小半径分别为〜0.5和〜0.3 m，磁场〜1.5 T，加热功率小于15 MW，等离子体电流为1-2 MA。 DT中子的产生率为（3-10）×10〜（17）ns〜（-1），第一壁的通量为0.2 MW m〜（-2），确保了该装置能够聚变裂变示范实验。主要关注的问题是放电引发，电流驱动，等离子快速离子束稳定性以及较高的第一壁和偏滤器负载。概念设计为这些问题提供了解决方案，并提出了FNS-ST的可行性。

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  • 来源
    《Nuclear fusion》 |2011年第7期|p.15.1-15.6|共6页
  • 作者

    B.V. Kuteev; E.A. Azizov; A.S. Bykov; A.Yu. Dnestrovsky; V.N. Dokuka; G.G. Gladush; A.A. Golikov; P.R. Goncharov; M. Gryaznevich; M.I. Gurevich; A.A. Ivanov; R.R. Khairutdinov; V.I. Khripunov; D. Kingham; A.V. Klishchenko; V.A. Kurnaev; V.E. Lukash; S.Yu. Medvedev; P.V. Savrukhin; V.Yu. Sergeev; Yu.S. Shpansky; A. Sykes; G. Voss; A.V. Zhirkin;

  • 作者单位

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    Saint Petersburg State Polytechnic University, 29 Polytechnicheskaya St., 195251, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    TRINITI, Troitsk, Moscow Region, 142190, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    Saint Petersburg State Polytechnic University, 29 Polytechnicheskaya St., 195251, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia Tokamak Solutions UK Ltd, Culham Science Centre, Abingdon, OX 14 3DB, UK;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    Tokamak Solutions UK Ltd, Culham Science Centre, Abingdon, OX 14 3DB, UK;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    Saint Petersburg State Polytechnic University, 29 Polytechnicheskaya St., 195251, Russia;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

    Tokamak Solutions UK Ltd, Culham Science Centre, Abingdon, OX 14 3DB, UK;

    Tokamak Solutions UK Ltd, Culham Science Centre, Abingdon, OX 14 3DB, UK;

    NRC Kurchatov Institute, 1 Academician Kurchatov Sq., Moscow 123182, Russia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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