Publication: Overview of power exhaust experiments in the COMPASS divertor with liquid metals
Дата
2020
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© 2020 The AuthorsPower handling experiments with a special liquid metal divertor module based on the capillary porous system technology were performed in the tokamak COMPASS. The performance of two metals (Li and LiSn alloy) were tested for the first time in a divertor under ELMy H-mode conditions. No damage of the capillary mesh and a good exhaust capability were observed for both metals in two separate experiments with up to 12 MW/m2 of deposited perpendicular, inter-ELM steady-state heat flux and with ELMs of relative energy ~3% and a local peak energy fluence at the module ~15 kJ.m−2. No droplets were directly ejected from the mesh top surface and for the LiSn experiment, no contamination of the core and SOL plasmas by Sn was observed. The elemental depth profile analysis of 14 stainless-steel samples located around the vacuum vessel for each experiment provides information about the migration of evaporated/redeposited liquid elements.
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Overview of power exhaust experiments in the COMPASS divertor with liquid metals / Dejarnac, R. [et al.] // Nuclear Materials and Energy. - 2020. - 25. - 10.1016/j.nme.2020.100801
URI
https://www.doi.org/10.1016/j.nme.2020.100801
https://www.scopus.com/record/display.uri?eid=2-s2.0-85094122660&origin=resultslist
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https://openrepository.mephi.ru/handle/123456789/22524
https://www.scopus.com/record/display.uri?eid=2-s2.0-85094122660&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000600734700018
https://openrepository.mephi.ru/handle/123456789/22524