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High power heating of magnetic reconnection in merging tokamak experimentsa)

Ono, Y.; Tanabe, H.; Yamada, T.; Gi, K.; Watanabe, T.; Ii, T.; Gryaznevich, M.; Scannell, R.; Conway, N.; Crowley, B.; Michael, C.


Significant ion/electron heating of magnetic reconnection up to 1.2 keV was documented in two spherical tokamakplasma merging experiment on MAST with the significantly large Reynolds number R∼10⁵. Measured 1D/2D contours of ion and electron temperatures reveal clearly energy-conversion mechanisms of magnetic reconnection: huge outflow heating of ions in the downstream and localized heating of electrons at the X-point. Ions are accelerated up to the order of poloidal Alfven speed in the...[Show more]

CollectionsANU Research Publications
Date published: 2015-05-15
Type: Journal article
Source: Physics of Plasmas
DOI: 10.1063/1.4920944


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