Experimental and Numerical Investigation of Coating Effect on Pump Impeller and Volute

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dc.contributor.authorKocaaslan, Osman
dc.contributor.authorÖzgören, Muammer
dc.contributor.authorAksoy, Muharrem Hilmi
dc.contributor.authorBabayiğit, Osman
dc.date.accessioned2020-03-26T19:24:10Z
dc.date.available2020-03-26T19:24:10Z
dc.date.issued2016
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractIn this study, an impeller and volute of a centrifugal pump were designed and numerically analyzed in order to improve the pump efficiency. Before design, experimental and theoretical studies were performed on a centrifugal water pump taken as Model Pump (MP). Design parameters were taken as 100 m(3)/h for volume flow rate, 18m for head and 1480 rpm for rotating speed. After the inspection of the flow field in the MP, some geometrical modifications such as impeller inlet and outlet diameters, blade inlet and exit angles, blade wrap angle, blade thickness, blade inletand exit widthswere realized to design a new pump. Numerical analyses were performed for 8 different volume flow rates overlapping with experimental operation points by Ansys-Fluent Software. In numerical studies, k-epsilon turbulence model and standard wall function were utilized. The experimental and computational results were compared with the model pump. According to the analysis results at design flow rate, hydraulic torque value is decreased from 56.62 Nm to 51.05 Nm, while hydraulic efficiency is increased from 55.98% to 63.09%. In addition, in order to see the roughness effect and increase the pump efficiency, the wetted surfaces of the impeller and volute were coated with a polyurethane dye material. Later, performance curves of the coated and uncoated pumps were experimentally obtained which showed that the shaft power of the pump for the coated case was decreased around 10% and the hydraulic efficiency of the pump was increased approximately 18%. According to the economic analysis by basic payback period of the polyurethane coating is less than one year and the internal income ratio for ten-year life-cycle period is around %114.en_US
dc.description.sponsorshipSANTEZ program of the Ministry of Science, Industry and Technology of Turkey [01076.STZ.2011-2]; Selcuk University's Scientific Research Project OfficeSelcuk University [13101009, 14401075]en_US
dc.description.sponsorshipThis work is supported by SANTEZ program of the Ministry of Science, Industry and Technology of Turkey with number 01076.STZ.2011-2 and Selcuk University's Scientific Research Project Office Contract No: 13101009 and 14401075. The authors also would like to thank to the partner of the project Sempa Co. board (http://www.sempaltd.com/en/) to their support. This study is prepared by Osman Kocaaslan's Master of Science Thesis.en_US
dc.identifier.endpage2487en_US
dc.identifier.issn1735-3572en_US
dc.identifier.issn1735-3645en_US
dc.identifier.issue5en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage2475en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/33594
dc.identifier.volume9en_US
dc.identifier.wosWOS:000383414000012en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherISFAHAN UNIV TECHNOLOGYen_US
dc.relation.ispartofJOURNAL OF APPLIED FLUID MECHANICSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectCentrifugal pumpen_US
dc.subjectCFDen_US
dc.subjectCoatingen_US
dc.subjectHydraulic efficiencyen_US
dc.subjectk-epsilon turbulence modelen_US
dc.subjectPolyurethane coatingen_US
dc.subjectTurbulence kinetic energyen_US
dc.titleExperimental and Numerical Investigation of Coating Effect on Pump Impeller and Voluteen_US
dc.typeArticleen_US

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