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Mathematical, numerical and experimental analysis of the swirling flow at a Kaplan runner outlet
Center for Advanced Research in Engineering Science, Romanian Academy, Timişoara Branch.
Hydraulic Machinery Department, Politehnica University of Timişoara.
Hydraulic Machinery Department, Politehnica University of Timişoara.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
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2012 (English)In: 26th IAHR Symposium on Hydraulic Machinery and Systems: 19–23 August 2012, Beijing, China, IOP Publishing Ltd , 2012, 32001- p.Conference paper (Refereed)
Abstract [en]

The paper presents a novel mathematical model for a-priori computation of the swirling flow at Kaplan runners outlet. The model is an extension of the initial version developed by Susan-Resiga et al [1], to include the contributions of non-negligible radial velocity and of the variable rothalpy. Simple analytical expressions are derived for these additional data from three-dimensional numerical simulations of the Kaplan turbine. The final results, i.e. velocity components profiles, are validated against experimental data at two operating points, with the same Kaplan runner blades opening, but variable discharge

Place, publisher, year, edition, pages
IOP Publishing Ltd , 2012. 32001- p.
Series
, I O P Conference Series: Earth and Environment, ISSN 1755-1307 ; 3
Research subject
Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-35364DOI: 10.1088/1755-1315/15/3/032001Local ID: 9df82c73-a295-4d13-a91a-57397df74475OAI: oai:DiVA.org:ltu-35364DiVA: diva2:1008617
Conference
IAHR Symposium on Hydraulic Machinery and Systems : 19/08/2012 - 23/08/2012
Note
Validerad; 2012; 20121128 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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ReferencesLink to record
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