A Numerical Case Study: Bovet Approach to Design a Francis Turbine Runner

In this study, analytical calculation and numerical simulations were performed to design a Francis turbine runner blade. Single blade was designed by using Bovet approach. Blade geometry was created by using Ansys Bladegen V16.1. Grid model has been generated by using Ansys Meshing, with using fine...

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Bibliographic Details
Main Authors: Kocak, Eyup, Karaaslan, Salih, Yucel, Nuri, Arundas, Furkan
Format: Conference Proceeding
Language:English
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Summary:In this study, analytical calculation and numerical simulations were performed to design a Francis turbine runner blade. Single blade was designed by using Bovet approach. Blade geometry was created by using Ansys Bladegen V16.1. Grid model has been generated by using Ansys Meshing, with using fine mesh quality, tetrahedron type mesh. k- É› turbulence model have been selected for steady state analysis. Pressure distributions are obtained on meridional plane and also on suction and pressure sides of the blade. The results of the numerical analysis showed that, Bovet design approach is able to calculate a runner that has an efficiency of 1% different with respect to committed efficiency. At the inlet of the suction side, the negative pressure is observed, that can cause cavitation and oscillation.
ISSN:1876-6102
1876-6102
DOI:10.1016/j.egypro.2017.03.251