回転摂動磁場を用いたダイバータ熱負荷広域化法

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タイトル別名
  • New Methods for Broadening Divertor Heat Load by Rotating Perturbed Magnetic Field.
  • カイテン セツドウ ジバ オ モチイタ ダイバータ ネツ フカ コウイキカホウ

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説明

In order to diverge the enormous heat flux on the divertor plate in tokamak fusion reactor, new methods by using kinds of perturbed magnetic field made by either periodically deformed divertor coil or a set of in-vessel coils are proposed. By tracing magnetic field lines in JT-60 configuration, we confirmed that the nonaxisymmetric perturbed magnetic field can make a stochastic edge field, and that a toroidally rotating perturbed field can sweep a separatrix on the plate by about 10cm in width. In the latter case, a penetration of rapidly changing A. C. perturbation field into the confiment region can be avoided by a plasma skin effect.

収録刊行物

  • 核融合研究

    核融合研究 68 (1), 34-45, 1992

    社団法人 プラズマ・核融合学会

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