Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Rapid Communications
High-Beta Plasma Confinement in TPE-RX During Pulsed Poloidal Current Drive Operation in Reversed-Field Pinch Plasma
Haruhisa KOGUCHIYoichi HIRANOHajime SAKAKITAKiyoyuki YAMBEToshio SHIMADASatoru KIYAMA
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JOURNAL FREE ACCESS

2007 Volume 2 Pages 050

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Abstract

A very high beta value was obtained during pulsed poloidal current drive (PPCD) operation in a reversed-field pinch (RFP) plasma during a TPE-RX experiment. Poloidal beta is almost equal to total beta in the RFP, and is as high as 30% near the end of PPCD operation. During the PPCD operation, the magnetic fluctuation associated with the dynamo effect is reduced, and improved confinement is realized, which results in this high beta value.

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© 2007 by The Japan Society of Plasma Science and Nuclear Fusion Research
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