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Reduction of heat flux during disruption by a solid target evaporator

โœ Scribed by Tomoaki Hino; Toshiro Yamashina

Book ID
103932852
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
397 KB
Volume
24
Category
Article
ISSN
0920-3796

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โœฆ Synopsis

In order to lengthen the lifetime of plasma facing components, reduction of heat flux during disruptions is necessary. For this purpose, the use of a boron or beryllium evaporator is suggested and the possibility is briefly discussed. If such a solid target is selectively evaporated during the disruption, the vapor may shield the heat flux and the power flow may be dissipated by the line radiation of the evaporated material. In addition to the reduction of the heat flux, this concept would be appropriate as a scheme for oxygen gettering.

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