Diagnosing transient plasma status : from solar atmosphere to tokamak divertor

Giunta, A. S. and Henderson, S. and O'Mullane, M. and Harrison, J. and Doyle, J.G. and Summers, H.P. (2016) Diagnosing transient plasma status : from solar atmosphere to tokamak divertor. Journal of Instrumentation, 11. C09008. ISSN 1748-0221 (https://doi.org/10.1088/1748-0221/11/09/C09008)

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Abstract

This work strongly exploits the interdisciplinary links between astrophysical (such as the solar upper atmosphere) and aboratory plasmas (such as tokamak devices) by sharing the development of a common modelling for time-dependent onisation. This is applied to the interpretation of solar flare data observed by the UVSP (Ultraviolet Spectrometer and olarimeter), on-board the Solar Maximum Mission and the IRIS (Interface Region Imaging Spectrograph), and also to data from B2-SOLPS (Scrape Off Layer Plasma Simulations) for MAST (Mega Ampère Spherical Tokamak) Super-X divertor upgrade. The derived atomic data, calculated in the framework of the ADAS (Atomic Data and Analysis Structure) project, allow equivalent prediction in non-stationary transport regimes and transients of both the solar atmosphere and tokamak divertors, except that the tokamak evolution is about one thousand times faster.

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