Current and electric field measurements in a double inverse pinch device
作者:
Richard G. Beeler,
John C. Nickel,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1985)
卷期:
Volume 28,
issue 10
页码: 3040-3043
ISSN:0031-9171
年代: 1985
DOI:10.1063/1.865144
出版商: AIP
数据来源: AIP
摘要:
Current and electric field measurements have been made near the magnetic neutral line in a double inverse pinch device. The current in the central region did not show any observable Petschek‐type shock structure, but instead had the appearance of a simple current sheet. A disruption of the induced current system, called the impulsive flux transfer event, was observed. Measurements of the electric field in the central region showed that the space‐charge field, −∇&fgr;, was significant, especially during the current buildup and disruption. When measurements of the total electric field,E=−A˙−∇&fgr;, were combined with current density measurements, the conductivity of the plasma in the central region remained sensibly constant throughout the current disruption.
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