Design Parameters of Vortex Pumps: A Meta-Analysis of Experimental Studies

Angela Gerlach, Paul Uwe Thamsen, Sebastian Wulff and Christian Brix Jacobsen
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Angela Gerlach: Department of Fluid System Dynamics, Technische Universitaet Berlin, Strasse des 17.Juni 135, 10623 Berlin, Germany
Paul Uwe Thamsen: Department of Fluid System Dynamics, Technische Universitaet Berlin, Strasse des 17.Juni 135, 10623 Berlin, Germany
Sebastian Wulff: Department of Fluid System Dynamics, Technische Universitaet Berlin, Strasse des 17.Juni 135, 10623 Berlin, Germany
Christian Brix Jacobsen: Mechanical Development, Grundfos Holding A/S, Poul Due Jensen Vej 7, 8850 Bjerringbro, Denmark

Energies, 2017, vol. 10, issue 1, 1-23

Abstract: Vortex pumps can impel solid-containing fluids and are therefore widely applied, from wastewater transport to the food industry. Despite constant efforts to improve vortex pumps, however, they have remained relatively inefficient compared to conventional centrifugal pumps. To find an optimized design of vortex pumps, this paper provides a systematic analysis on experimental studies that investigated how variations in geometric parameters influence vortex pump characteristics, in particular the pump head, the pressure coefficient and the efficiency for best point operation. To this end, an extensive literature search was conducted, and eighteen articles with 53 primary investigations were identified and meta-integrated. This showed that it is not yet clarified how vortex pumps operate. Two different assumptions of the underlying operating principle of a vortex pump lead to diverging design principles. From the results of this meta-analysis, we deduce recommendations for a more efficient design of a vortex pump and emphasize further aspects on the underlying operating principle of a vortex pump.

Keywords: vortex pump; recessed impeller; enlarged side chamber; meta-analysis; design parameters; operating principle; experimental studies (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
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