Plasma diffusion in an ergodic magnetic limiter

T. Yamagishi, M. S. Chu, D. K. Bhadra, F. L. Hinton

Research output: Contribution to journalArticlepeer-review

Abstract

Creation of an ergodic volume of magnetic field lines by means of a single external helical magnetic field in toroidal geometry is briefly discussed. The enhanced heat conductivity in the ergodic magnetic limiter has been calculated taking into account the cubic coherent nonlinearity of perturbations including the effect of plasma current within the limit of MHD approximation. Plasma diffusion coefficients have also been evaluated based on the two fluid model. In the quasilinear theory, without the radial electric field, the radial ion flux is found to be small. In the presence of a radial electric field under the ambipolar condition, an enhanced ion diffusion is possible.

Original languageEnglish
Pages (from-to)118-122
Number of pages5
JournalJournal of Nuclear Materials
Volume128-129
Issue numberC
DOIs
Publication statusPublished - 1984 Dec

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Materials Science(all)
  • Nuclear Energy and Engineering

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