Transient response of transport at transport barrier formation

Kimitaka Itoh, Sanae I. Itoh

Research output: Contribution to journalConference article

7 Citations (Scopus)

Abstract

Transient transport in high-temperature and turbulent plasmas is investigated. Microscopic fluctuations in toroidal plasmas are localized in the outside of the torus, so that the radial correlation length of fluctuations is meso-scale (hybrid between micro-scale and system size). The long radial correlation induces the interference of gradient and flux in different radii, and causes a fast propagation of transient response. The upper bound of thermal diffusivity, deduced from transients, is derived. The role of geometry in transport far from thermodynamical equilibrium is highlighted.

Original languageEnglish
Pages (from-to)A367-A372
JournalPlasma Physics and Controlled Fusion
Volume44
Issue number5 A
DOIs
Publication statusPublished - May 2002
Event8th IAEA Technical Committee Meeting on H-Mode Physics and Transport Barriers - Toki, Japan
Duration: Sep 5 2001Sep 7 2001

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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