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This paper examines the unsteady effects of blade row interaction on the flow field and aerodynamic performance of a transonic centrifugal compressor impeller. Numerical simulations were conducted comparing steady-state RANS and unsteady RANS analyses, revealing significant differences in performance due to unsteady flow phenomena, particularly in high-load conditions. The study highlights the importance of understanding these unsteady effects for accurate predictions of compressor performance.

Author

zhangzhiq0919

Language

EN