Based on a hub-to-shroud stream surface solution of the flow in a centrifugal compressor impeller, the equations governing the production of vorticity in a centrifugal compressor impeller are solved. The results are similar to experimental ones for shrouded and unshrouded impellers. Furthermore, assuming that the circumferential gradient of vorticity is zero, a picture of the three-dimensional velocity field is obtained. The picture obtained is similar to experimental ones, although the vortex associated with the suction side is smaller.
The Production of Vorticity and its Effects on the Flow in Centrifugal Compressor Impellers
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Goulas, A. "The Production of Vorticity and its Effects on the Flow in Centrifugal Compressor Impellers." Proceedings of the ASME 1979 International Gas Turbine Conference and Exhibit and Solar Energy Conference. Volume 1B: Gas Turbines. San Diego, California, USA. March 12–15, 1979. V01BT02A013. ASME. https://doi.org/10.1115/79-GT-113
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