Characteristics of nonlocally-coupled transition of the heat transport in LHD

N. Tamura, K. Ida, Inagaki Shigeru, K. Tanaka, T. Tokuzawa, K. Itoh, T. Shimozuma, S. Kubo, H. Tsuchiya, Y. Nagayama, K. Kawahata, S. Sudo, H. Yamada

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Abstract

A comparison of characteristics between a nonlocal transport phenomenon and an electron internal transport barrier (ITB) in the Large Helical Device is performed with a transient transport analysis and from the viewpoint of a dynamic behavior of transport state. The electron ITB is characterized by a jump of electron temperature gradient. In contrast, the transient transport analysis indicates the nonlocal transport phenomenon is characterized by a jump of electron heat flux. And seen from the viewpoint of the dynamic behavior of transport state, the physical mechanism of the appearance of the nonlocal transport phenomenon is found to be qualitatively different from that of the formation of the electron ITB.

Original languageEnglish
Pages (from-to)514-519
Number of pages6
JournalContributions to Plasma Physics
Volume50
Issue number6-7
DOIs
Publication statusPublished - Aug 1 2010

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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    Tamura, N., Ida, K., Shigeru, I., Tanaka, K., Tokuzawa, T., Itoh, K., Shimozuma, T., Kubo, S., Tsuchiya, H., Nagayama, Y., Kawahata, K., Sudo, S., & Yamada, H. (2010). Characteristics of nonlocally-coupled transition of the heat transport in LHD. Contributions to Plasma Physics, 50(6-7), 514-519. https://doi.org/10.1002/ctpp.200900004