K. Sato, L. He, "Effect of Rotor–Stator Interaction on Impeller Performance in Centrifugal Compressors", International Journal of Rotating Machinery, vol. 5, Article ID 862013, 12 pages, 1999. https://doi.org/10.1155/S1023621X99000123
Effect of Rotor–Stator Interaction on Impeller Performance in Centrifugal Compressors
A 3-D unsteady thin-layer Navier-Stokes code has been used to calculate the flow through a centrifugal compressor stage. The validation of the code for steady flows in centrifugal compressors was conducted for the Krain’s impeller with a vaneless diffuser as a test case and the numerical results were compared with the experimental results. The predicted flow field and performance agreed well with the experimental data. An unsteady stage solution was then conducted with this impeller followed by a generic low-solidity vaned-diffuser to examine the unsteady effects on the impeller performance. The computational results showed a stabilising effect of the blade row interaction.
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