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Second harmonic cyclotron heating of sloshing ions in a straight field line mirror
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Division for Electricity and Lightning Research.
2007 (English)In: Fusion science and technology, ISSN 1536-1055, E-ISSN 1943-7641, Vol. 51, no 2T, 160-163 p.Article in journal (Refereed) Published
Abstract [en]

The second harmonic heating in mirrors is explicated. A new coordinate-independent form of the second harmonic term in the plasma dielectric response is derived. The second harmonic heating in the WKB limit is addressed and compared with minority heating. A newly developed three-dimensional model for the time-harmonic boundary problem for Maxwell's equations is used for second harmonic heating modeling in the reactor-scale straight field line mirror device. Computations show that the antenna Q is low and the regime of global resonance overlapping is in effect. Only a small portion of the wave energy transits through the cyclotron layer and penetrates to the central part of the trap. The power deposition is peaked at the plasma core.

Place, publisher, year, edition, pages
2007. Vol. 51, no 2T, 160-163 p.
National Category
Engineering and Technology
URN: urn:nbn:se:uu:diva-151448ISI: 000245428500039OAI: oai:DiVA.org:uu-151448DiVA: diva2:409977
Available from: 2011-04-12 Created: 2011-04-12 Last updated: 2016-04-11Bibliographically approved

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Ågren, Olov
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