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Modelling the measured local time evolution of strongly nonlinear heat pulses in the Large Helical Device

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Dendy, R. O., Chapman, Sandra C. and Inagaki, S. (2013) Modelling the measured local time evolution of strongly nonlinear heat pulses in the Large Helical Device. Plasma Physics and Controlled Fusion, Volume 55 (Number 11). Article number 115009. doi:10.1088/0741-3335/55/11/115009 ISSN 0741-3335.

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Official URL: http://dx.doi.org/10.1088/0741-3335/55/11/115009

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Abstract

In some magnetically confined plasmas, an applied pulse of rapid edge cooling can trigger either a positive or negative excursion in the core electron temperature from its steady state value. We present a new model which captures the time evolution of the transient, non-diffusive local dynamics in the core plasma. We show quantitative agreement between this model and recent spatially localized measurements (Inagaki et al 2010 Plasma Phys. Control. Fusion 52 075002) of the local time-evolving temperature pulse in cold pulse propagation experiments in the Large Helical Device.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH): Plasma confinement
Journal or Publication Title: Plasma Physics and Controlled Fusion
Publisher: Institute of Physics Publishing Ltd.
ISSN: 0741-3335
Official Date: 9 October 2013
Dates:
DateEvent
9 October 2013Published
19 December 2012Submitted
Volume: Volume 55
Number: Number 11
Article Number: Article number 115009
DOI: 10.1088/0741-3335/55/11/115009
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 27 December 2015
Date of first compliant Open Access: 27 December 2015
Funder: Research Councils UK (RCUK), Euratom, Culham Centre for Fusion Energy (CCFE), Engineering and Physical Sciences Research Council (EPSRC), Purazuma Kakuyūgō Gakkai‏ (JSPF), Kakuyūgō Kagaku Kenkyūjo‏ (NIFS), Kyūshū Daigaku‏
Grant number: EP/I501045 (RCUK)

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