Large fillet radii are typically found on highly loaded compressor rotors to ensure structural integrity. The objective of this paper is to investigate the impact of such real geometry effects on the flow at the hub section. Investigations were performed numerically for the idealised case of a plane compressor cascade with the 3D Navier-Stokes code TRACE S. https://www.roneverhart.com/HP-ENVY-TE01-4147c-Desktop-Intel-Core-i7-13700-2-1-GHz-Intel-UHD-Graphics-770-32GB-DDR4-512GB-SSD-1TB-HDD-Windows-11-/