Analysis on Anomalous Conductivity and Heat Pulse Propagation in Tokamak

Hiroki Yamaguchi, Sanae I. Itoh

Research output: Contribution to journalArticlepeer-review


Heat pulse propagation is analyzed for different models of electron heat conduction coefficient χe. Cases in which initial temperature perturbation is induced by (1) electron cyclotron heating (ECH) or (2) sawtooth are studied. Five models are adopted which have various dependences on temperature or temperature gradient. A model in which χe has a temperature-gradient dependence explains the discrepancy that the values derived from heat pulse propagation deviate from those obtained from the stationary power balance in experiments. In this case the deviation is found to have appreciable radial dependence.

Original languageEnglish
Pages (from-to)1051-1054
Number of pages4
Journaljournal of the physical society of japan
Issue number4
Publication statusPublished - Apr 1995

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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