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Transport theory for energetic alpha particles and tolerable magnitude of error fields in tokamaks with broken symmetry

机译:对称破碎托卡马克中高能α粒子的输运理论和误差场的可容忍大小

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摘要

A transport theory for energetic fusion born alpha particles in tokamaks with broken symmetry has been developed. The theory is a generalization of the theory for neoclassical toroidal plasma viscosity for thermal particles in tokamaks. It is shown that the radial energy transport rate can be comparable to the slowing down rate for energetic alpha particles when the ratio of the typical magnitude of the perturbed magnetic field strength to that of the equilibrium magnetic field strength is of the order of 10~(-4) or larger. This imposes a constraint on the magnitude of the error fields in thermonuclear fusion reactors. The implications on stellarators as potential fusion reactors are also discussed.
机译:已经开发出了在托卡马克中对称破碎的高能融合的α粒子的输运理论。该理论是托卡马克中热粒子的新古典环形等离子体粘度理论的概括。结果表明,当扰动磁场强度的典型大小与平衡磁场强度的典型大小之比为10〜()时,径向能量传输速率可以与高能α粒子的减速速率相媲美。 -4)或更大。这对热核聚变反应堆的误差场的大小施加了约束。还讨论了对作为潜在聚变反应堆的恒星器的意义。

著录项

  • 来源
    《Nuclear fusion》 |2014年第3期|033012.1-033012.8|共8页
  • 作者

    K.C. Shaing; C.T. Hsu;

  • 作者单位

    Institute for Space and Plasma Sciences, National Cheng Kung University, Tainan 70101, Taiwan,Engineering Physics Department, University of Wisconsin, Madison, WI 53706, USA;

    Institute for Space and Plasma Sciences, National Cheng Kung University, Tainan 70101, Taiwan;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    tokamaks; energetic alpha particles; fusion energy gain factor;

    机译:托卡马克高能α粒子;聚变能量增益因子;

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