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This project aims at extending topology optimisation to conjugate heat transfer with turbulent flow and high heat fluxes. The goal is to be able to generate advanced cooling geometries for cooling of first walls in fusion reactors and for electronics cooling.

We are developing an approach for imposing wall functions in density-based topology optimisation using RANS models, where walls are only implicitly defined through a design field and, thus, regular boundary implementations fail. Wall functions allow us to use significantly coarser meshes with significantly higher accuracy than compared to regular approaches on the same meshes. The method has been demonstrated for imposing , but wall functions have been successfully implemented, and the manuscript is being finalised. Our next step is to move to conjugate heat transfer.