Movable limiter insertion and first pump limiter experiments in a reversed‐field pinch
作者:
Shunjiro Shinohara,
Satoshi Ohdachi,
Hiroshi Toyama,
Kenro Miyamoto,
Tatsuya Banno,
期刊:
Physics of Fluids B: Plasma Physics
(AIP Available online 1993)
卷期:
Volume 5,
issue 2
页码: 464-470
ISSN:0899-8221
年代: 1993
DOI:10.1063/1.860532
出版商: AIP
数据来源: AIP
摘要:
Various kinds of movable limiters are inserted into the plasma and effects on plasma performance are studied in the REPUTE‐1 reversed‐field pinch (RFP) device [Plasma Phys. Controlled Fusion28, 805 (1986)]. The increases in one‐turn loop voltageVland magnetic fluctuations with nearly constant value of ion temperature are found with an advance of movable limiters, and drastic increases inVlare observed when the limiter is beyond a certain position. ThisVlincrease is discussed comparing with theories. The first pump limiter experiments in RFP are tried. Favorable effects such as reductions ofVland impurity intensities are observed when the limiter head is inserted by ∼2 cm from the plasma edge.
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