Model Development and Transient Analysis of the WCLL BB BOP DEMO Configuration Using the Apros System Code

Marton Szogradi and Sixten Norrman
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Marton Szogradi: VTT Technical Research Centre of Finland Ltd., 02044 Espoo, Finland
Sixten Norrman: VTT Technical Research Centre of Finland Ltd., 02044 Espoo, Finland

Energies, 2021, vol. 14, issue 18, 1-17

Abstract: Extensive modelling and analytical work has been carried out considering the water-cooled lithium–lead breeding blanket (WCLL BB) balance of plant (BOP) configuration of the demonstration power plant (DEMO) using the Apros system code, developed by VTT Technical Research Centre of Finland Ltd. and Fortum. Contributing to the BOP work package of the EUROfusion Consortium, the integral plant model for dynamic analyses of the WCLL BB configuration has been updated with special attention to primary system components. Following trends of relevant neutronics modelling, a new BB model has been implemented in 2020 with the aim to obtain higher resolution output data and a more realistic thermalhydraulic feedback from the primary system. Once-through steam generator user components have been built based on CAD models conceived by BOP partners. Transient analyses have been performed providing a better picture regarding the behaviour of main components, e.g., the BB and the OTSGs, whilst highlighting possible ways to optimise the control scheme of the plant.

Keywords: DEMO; WCLL BB; small ESS; transient; Apros (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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