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Numerical simulation of fast ion loss detector measurements for fishbones on JET
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.ORCID iD: 0000-0002-7142-7103
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2011 (English)In: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 51, no 5, 053003- p.Article in journal (Refereed) Published
Abstract [en]

A synthetic diagnostic model for the simulation of energy and pitch angle resolved measurements of fast ion losses obtained by 2D scintillation-type detectors is presented and subsequently tested on a JET discharge with fishbones (previously documented in Perez von Thun et al 2010 Nucl. Fusion 50 084009). The simulated energy and pitch angle distributions at the detector are found to be in excellent agreement with the measurements. The simulations further suggest that nearly all the fast ion losses take place in the early growth phase of the fishbone cycle, and reach their maximum well ahead of the magnetic perturbation peak.

Place, publisher, year, edition, pages
2011. Vol. 51, no 5, 053003- p.
Keyword [en]
TOROIDAL PLASMAS, MAGNETOHYDRODYNAMICS, CONFINEMENT, PRODUCTS, TOKAMAK, MODES
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-33703DOI: 10.1088/0029-5515/51/5/053003ISI: 000289937000004Scopus ID: 2-s2.0-79955847631OAI: oai:DiVA.org:kth-33703DiVA: diva2:418283
Note
QC 20110520Available from: 2011-05-20 Created: 2011-05-16 Last updated: 2017-12-11Bibliographically approved

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Johnson, Thomas J.

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