Investigations on the flow field in an unshrouded pump impeller geometry |
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| Authors: | Sten Sieber Friedrich Frhlig Saban Caglar Martin Gabi |
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| Affiliation: | Sten Sieber, Friedrich Frhlig, Saban Caglar, Martin Gabi Fchgebiet Strmungsmaschinen, Karlsruhe Institute of Technology, Germany |
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| Abstract: | Transient CFD simulations are performed to investigate the flow behaviour inside an unshrouded pump using the SAS method. Two blade designs are compared at two different tip clearances and the results are validated by measurements. The detected vortex structure is visualized by the normalized helicity, further discussed regarding its development and behaviour and finally implicated to the efficiency of the two different blade designs. |
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| Keywords: | unshrouded pump tip clearance helicity |
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