MHD modelling for liquid metal systems and components, by Alessandro Tassone
May 12th, 2022
Abstract: Liquid metals are promising fluids for applications in breeding blankets (BB) and plasma facing components (PFC) but, owing to their high electrical conductivity, tend to behave in bizarre and counter-intuitive ways when exposed to the intense magnetic fields which are typical of magnetic confinement reactors. Comprehension and characterization of the magnetohydrodynamic (MHD) phenomena is necessary to successfully develop and deploy components based on liquid metal technology. In this contribution, the most relevant effects of MHD for BB and PFC are reviewed and the work done at Sapienza University of Rome to model these phenomena is presented. The focus will be on direct numerical simulations performed with computational fluid-dynamic codes and the establishment of a framework for a system level code to be used in the future for safety analyses.
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