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

doi:10.1088/0741-3335/46/5A/007

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

Research output: Contribution to journal › Article › peer-review

20 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 language	English
Pages (from-to)	A71-A76
Journal	Plasma Physics and Controlled Fusion
Volume	46
Issue number	5 SUPPL. A
DOIs	https://doi.org/10.1088/0741-3335/46/5A/007
Publication status	Published - May 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear Energy and Engineering
Condensed Matter Physics

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10.1088/0741-3335/46/5A/007

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

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T1 - Cold pulse experiments in plasma with an electron internal transport barrier on LHD

AU - Inagaki, S.

AU - Ida, K.

AU - Tamura, N.

AU - Shimozuma, T.

AU - Kubo, S.

AU - Nagayama, Y.

AU - Kawahata, K.

AU - Sudo, S.

AU - Ohkubo, K.

PY - 2004/5

Y1 - 2004/5

N2 - 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.

AB - 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.

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ER -

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

Abstract

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