Time-dependent plasma viscosity and poloidal flow damping with orbit squeezing in tokamaks

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2 引文 斯高帕斯(Scopus)

摘要

In the vicinity of a magnetic island and in the zonal flow, the radial extent of the radial electric field layer is about the width of the ion poloidal gyroradius in tokamaks. Thus, the effects of the orbit squeezing become important in these situations and probably in other applications as well. It is shown that the poloidal flow damping rate in tokamaks is reduced approximately by a factor of ∫S∫ when the effects of orbit squeezing are taken into account. Here, S is the orbit-squeezing factor. Thus, the plasma confinement could be improved when the effects of the orbit squeezing are included in the turbulence simulations.

原文English
頁(從 - 到)1-5
頁數5
期刊Physics of Plasmas
12
發行號5
DOIs
出版狀態Published - 2005 五月

All Science Journal Classification (ASJC) codes

  • 凝聚態物理學

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