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Abstract

Infrared video thermograms of a portion of the surface of graphite limiters in Textor were taken during several disruptions. Estimates of the deposition power density were made by comparison of the observed temperature histories with those calculated from a numerical thermal conduction model. It was found that the heat flux, at the observed locations, often occurred in sharp submillisecond bursts, the magnitudes of which were much larger than the heat flux density averaged over the whole disruption.

Additional information

Authors: RUSSO A J, Sandia National Laboratories, Albuquerque (US);WATKINS J G, Sandia National Laboratories, Albuquerque (US);FINKEN K H, Institut für Plasmaphysik, Kernforschungsanlage Jülich GmbH, Jülich (DE);DIPPEL K H, Institut für Plasmaphysik, Kernforschungsanlage Jülich GmbH, Jülich (DE);MOYER R A, University of California, Institute of Plasma and Fusion Research, Los Angeles (US);GRAY D, University of California, Institute of Plasma and Fusion Research, Los Angeles (US)
Bibliographic Reference: Report: SAND90-1167 EN (1990) 18 pp.
Availability: Available from National Technical Information Service, US Department of Commerce, 5285 Port Royal Road, Springfield VA 22161 (US)
Record Number: 199011670 / Last updated on: 1994-12-02
Category: PUBLICATION
Original language: en
Available languages: en
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