The paper discusses a computational fluid dynamics (CFD) study done to assess the influence of cover or shroud curvature on impeller performance. The paper describes the various designs and the CFD and finite element analyses (FEA) methods used. Aerodynamic and mechanical analysis results are presented for four impellers of varying cover curvature and axial length. Comments are offered regarding the mechanical issues that must be considered when increasing the length of impellers.
The Influence of Shroud Curvature and Other Related Factors on Impeller Performance Characteristics
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Sorokes, JM, Kopko, JA, Geise, PR, & Hinklein, AL. "The Influence of Shroud Curvature and Other Related Factors on Impeller Performance Characteristics." Proceedings of the ASME Turbo Expo 2009: Power for Land, Sea, and Air. Volume 7: Turbomachinery, Parts A and B. Orlando, Florida, USA. June 8–12, 2009. pp. 1397-1406. ASME. https://doi.org/10.1115/GT2009-60109
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