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Preliminary analysis of alternative divertors for DEMO

Militello F.; Aho-Mantila L.; Ambrosino R.; Body T.; Bufferand H.; Calabro G.; Ciraolo G.; Coster D.; Di Gironimo G.; Fanelli P.; Fedorczak N.; Herrmann A.; Innocente P.; Kembleton R.; Lilburne J.; Lunt T.; Marzullo D.; Merriman S.; Moulton D.; Nielsen A.H.; Omotani J.; Ramogida G.; Reimerdes H.; Reinhart M.; Ricci P.; Riva F.; Stegmeir A.; Subba F.; Suttrop W.; Tamain P.; Teschke M.; Thrysoe A.; Treutterer W.; Varoutis S.; Wensing M.; Wilde A.; Wischmeier M.; Xiang L.Y.

Journal: Nuclear materials and energy 26 pp. 100908-1 - 100908-7 Year: 2021
ISTP Authors:
Paolo Innocente
Keywords: , ,
Research Activitie:

A physics and engineering analysis of alternative divertor configurations is carried out by examining benefits and problems by comparing the baseline single null solution with a Snowflake, an X- and a Super-X divertor. It is observed that alternative configurations can provide margin and resilience against large power fluctuations, but their engineering has intrinsic difficulties, especially in the balance between structural solidity and accessibility of the components and when the specific poloidal field coil positioning poses further constraints. A hybrid between the X- and Super-X divertor is proposed as a possible solution to the integration challenge.

ID 444349
DOI 10.1016/j.nme.2021.100908
PRODUCT TYPE Journal Article
LAST UPDATE 2022-02-14T10:56:15Z
EU PROJECT EUROfusion
TITLE Implementation of activities described in the Roadmap to Fusion during Horizon 2020 through a Joint programme of the members of the EUROfusion consortium
FOUNDING PROGRAM H2020
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