Spectra and growth rates of resistive wall modes in a reversed‐field pinch
作者:
Philip Greene,
Scott Robertson,
期刊:
Physics of Fluids B: Plasma Physics
(AIP Available online 1993)
卷期:
Volume 5,
issue 2
页码: 556-563
ISSN:0899-8221
年代: 1993
DOI:10.1063/1.860541
出版商: AIP
数据来源: AIP
摘要:
The Reversatron II [IEEE Trans. Plasma Sci.PS‐16, 667 (1988)] reversed‐field pinch has been operated with shells having magnetic penetration time comparable to and shorter than the discharge duration. The spectra and growth rates of the resistive wall modes have been measured and compared for the two cases. The growth rates of modes are typically in the expected range &ggr;&tgr;s=0.5–2 where &ggr; is the growth rate and &tgr;sis the magnetic penetration time of the shell. The spectra, however, are broader than expected from linear theory and there are indications that both the growth rates and the mode spectra are affected by nonlinearities.
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