Effects of orbit squeezing on ion transport processes close to magnetic axis

K. C. Shaing, R. D. Hazeltine, M. C. Zarnstorff

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

It is shown that ion thermal conductivity close to the magnetic axis in tokamaks is reduced by a factor of |S|5/3 if (Mi/Me)2/3(Te/Ti) 4/3/|S|5/3≫ 1. Here, S is the orbit squeezing factor, Mi(Me) is the ion (electron) mass, and Ti(Te) is the ion (electron) temperature. The reduction reflects both the increase of the fraction of trapped particles by a factor of \S\1/3, and the decrease of the orbit size in units of the poloidal flux ψ by a factor of |S|2/3.

Original languageEnglish
Pages (from-to)1371-1374
Number of pages4
JournalPhysics of Plasmas
Volume4
Issue number5
DOIs
Publication statusPublished - 1997 May

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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