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Simulation Analysis of Dust Transport in LHD Peripheral Plasmas

Masafumi Shoji, S. Masuzaki, G. Kawamura, Yuki Tanaka, Y. Uesugi, A.Yu. Pigarov, Roman D. Smirnov

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Abstract

Recent ICRF heated long pulse discharges have been terminated with abrupt increase of carbon emission in the plasmas.Tangentially viewing fast framing cameras observed the release of a large amount of dusts from a divertor region at the end of the long pulse discharges.It suggests that the penetration of dusts into the main plasma terminated the plasmas by radiation collapse.

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Recent ICRF heated long pulse discharges have been terminated with abrupt increase of carbon emission in the plasmas.Tangentially viewing fast framing cameras observed the release of a large amount of dusts from a divertor region at the end of the long pulse discharges.It suggests that the penetration of dusts into the main plasma terminated the plasmas by radiation collapse.

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Available abstract

Recent ICRF heated long pulse discharges have been terminated with abrupt increase of carbon emission in the plasmas.Tangentially viewing fast framing cameras observed the release of a large amount of dusts from a divertor region at the end of the long pulse discharges.It suggests that the penetration of dusts into the main plasma terminated the plasmas by radiation collapse.

Key concepts: Maple, Plasma, Nuclear engineering, Environmental science, Physics, Mechanics, Nuclear physics, Engineering

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