Cold pulse experiments in plasma with an electron internal transport barrier on LHD

S. Inagaki, K. Ida, N. Tamura, T. Shimozuma, S. Kubo, Y. Nagayama, K. Kawahata, S. Sudo, K. Ohkubo

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19 Citations (Scopus)

Abstract

Transient transport experiments are performed in LED plasma with electron internal transport barrier (e-ITB). Evidence for a reduction of electron heat diffusivity inside the ITB is observed from cold and heat pulse propagations. The observed enhancement of the cold pulse peak is explained by the temperature dependent electron heat diffusivity. The heat diffusivity inside the ITB decreases with an increase in the electron temperature in LHD.

Original languageEnglish
Pages (from-to)A71-A76
JournalPlasma Physics and Controlled Fusion
Volume46
Issue number5 SUPPL. A
DOIs
Publication statusPublished - May 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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