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United Kingdom Atomic Energy Authority

STEP WP5 - Fusion Power Plant - Diverter Heat Exchanger Design Challenge

Publication Platform
EU SUPPLY LIMITED

Publication Date
22 November 2019

Deadline
12:00am, 01 November 2019

Tender ID
20191122123133-72814

Winners
Norton Straw (£170,602), Rolls Royce Power Engineering (£170,602), Wood Nuclear Limited (£170,602), Frazer-Nash Consultancy Ltd (£170,602)

Description
Manging the heat exhaust from a fusion reactor is one of the most pressing challenges facing those seeking to realise a commercial power plant design. A fusion reactor heat exhaust is handled via a divertor, which needs to handle large heat fluxes (>10 MWm-2) especially in the divertor target. For spherical tokamak designs such as STEP, the compact nature of the device potentially increases the heat fluxes on the plasma-facing components, such as the divertor target, and restricts the space for incorporating cooling when compared to conventional larger aspect-ratio tokamaks such as ITER or EU-DEMO. Parallels can be drawn between the heat management challenges faced in the fusion community and those faced outside the fusion community, particularly in sectors such as motorsport, aerospace, power electronics, and renewable energy where high performance heat exchangers are utilized. The STEP Work Package 5 (Resilient Nuclear Components) wishes to harness industrial expertise in heat exchanger design outside the fusion community and to identify whether this expertise can be applied to developing an innovative heat exchanger concept design for the STEP divertor target.

Note
Please note that where a tender award refers to a framework agreement, the individual values of the award may be shown as the total value of the framework rather than the value of that award to each winner, so for this tender the possible value of the framework to each winner could be £42,651 rather than £170,602