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An approximate general model for multipactor in curved geometries

Joel Rasch (Institutionen för rymd- och geovetenskap, Plasmafysik och fusionsenergi)
41st EPS Conference on Plasma Physics p. P1.128. (2014)
[Konferensbidrag, refereegranskat]

In order to formulate practical guidelines to avoid multipactor in a quadri-filar helix antenna we have developed a simplified statistical treatment of the electron dynamics between two opposing conducting surfaces of arbitrary curvature. The model allows us to judge the effect of the curvature and the inhomogeneous electric field on the electron density between the conductors. It is found that the parameter regions in these types of systems where multipactor will be possible are quite restricted. In particular it was found that multipactor will not be possible in any realistic helix antenna configuration.

Denna post skapades 2015-01-19. Senast ändrad 2015-01-19.
CPL Pubid: 211044


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Institutioner (Chalmers)

Institutionen för rymd- och geovetenskap, Plasmafysik och fusionsenergi (2013-2017)


Fusion, plasma och rymdfysik

Chalmers infrastruktur