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The development and testing of the thermal break divertor monoblock target design delivering 20 MW m−2 heat load capability / M Fursdon, T Barrett, F Domptail, Llion Evans, N Luzginova, N H Greuner, J-H You, M Li, M Richou, F Gallay, E Visca

Physica Scripta, Volume: T170, Start page: 014042

Swansea University Author: Llion Evans

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Abstract

This paper describes the research and design phase for a heat exchanger component for a magnetically confined fusion energy device. This process involved an iterative process going through design and analysis using the finite element method, manufacturing trials and experimental testing. The compone...

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Published in: Physica Scripta
ISSN: 0031-8949 1402-4896
Published: IOP Publishing 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa39995
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Abstract: This paper describes the research and design phase for a heat exchanger component for a magnetically confined fusion energy device. This process involved an iterative process going through design and analysis using the finite element method, manufacturing trials and experimental testing. The component in question, called a monoblock, consisted of a CuCrZr cooling pipe joined to external W armour. To reduce thermally induced stresses in the pipe a solid copper section was introduced as an interlayer between pipe and armour. To further reduce stress, geometric features were machined into the interlayer to produce a more favourable thermal profile within the component. Joining was achieved with a two-stage brazing process and thermal testing was performed as IPP's GLADIS facility. The component assemblies were tested to 200 cycles at 20 MW m−2 and five cycles at 25 MW m−2. No damage was observed after testing.
Keywords: Manufacturing, high-heat flux, thermal testing, non-destructive testing, design, fusion energy
College: College of Engineering
Start Page: 014042