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Proceedings Paper

Solid beryllium tiles for the JET pumped divertor
Author(s): Edward Deksnis; Hans Dieter Falter; D. Martin; P. Massmann; M. Pick
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Paper Abstract

JET is the largest magnetically confined fusion experiment in operation today. Plasma facing components of JET made of solid beryllium have sustained for periods of up to 1 second localized fluxes of up to 25 W/mm2. In the new phase of operations foreseen for 1993 onwards peak heat fluxes of this magnitude will be swept across surfaces in contact with the plasma in order to reduce erosion and to increase the pulse length. Both low cycle (approximately 10 cycles) and high cycle (approximately 3 X 103 cycles) fatigue response of prototypes have been studied in a test-bed for heat loads in the range 13 - 25 W/mm2 and with peak strain rates of up to 1.5 mm/mm/sec.

Paper Details

Date Published: 25 February 1993
PDF: 12 pages
Proc. SPIE 1739, High Heat Flux Engineering, (25 February 1993); doi: 10.1117/12.140494
Show Author Affiliations
Edward Deksnis, JET Joint Undertaking (United Kingdom)
Hans Dieter Falter, JET Joint Undertaking (United Kingdom)
D. Martin, JET Joint Undertaking (United Kingdom)
P. Massmann, JET Joint Undertaking (United Kingdom)
M. Pick, JET Joint Undertaking (United Kingdom)


Published in SPIE Proceedings Vol. 1739:
High Heat Flux Engineering
Ali M. Khounsary, Editor(s)

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