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Energies 2017, 10(1), 58; doi:10.3390/en10010058

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

1
Department of Fluid System Dynamics, Technische Universitaet Berlin, Strasse des 17.Juni 135, 10623 Berlin, Germany
2
Mechanical Development, Grundfos Holding A/S, Poul Due Jensen Vej 7, 8850 Bjerringbro, Denmark
*
Author to whom correspondence should be addressed.
Academic Editor: Leonardo P. Chamorro
Received: 14 November 2016 / Revised: 27 December 2016 / Accepted: 29 December 2016 / Published: 5 January 2017

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. View Full-Text
Keywords: vortex pump; recessed impeller; enlarged side chamber; meta-analysis; design parameters; operating principle; experimental studies vortex pump; recessed impeller; enlarged side chamber; meta-analysis; design parameters; operating principle; experimental studies
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Gerlach, A.; Thamsen, P.U.; Wulff, S.; Jacobsen, C.B. Design Parameters of Vortex Pumps: A Meta-Analysis of Experimental Studies. Energies 2017, 10, 58.

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