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CFD APPROACH FOR FLOW CHARACTERISTICS OF HYDRAULIC FRANCIS TURBINE

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Author(s): RUCHI KHARE, | DR. VISHNU PRASAD, | RUCHI KHARE, DR. VISHNU PRASAD,

Journal: International Journal of Engineering Science and Technology
ISSN 0975-5462

Volume: 2;
Issue: 8;
Start page: 3824;
Date: 2010;
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Keywords: Francis turbine | flow characteristics | CFD | runner.

ABSTRACT
With the growth of computational mechanics, the virtual hydraulic machines are becoming more and more realistic to get minor details of the flow, which are not possible in model testing. In present work, 3D turbulent real flow analyses in hydraulic Francis turbine have been carried out at three guide vane opening and different rotation speed using Ansys CFX computational fluid dynamics (CFD) software. The average values of flow parameters like velocities and flow angles at the inlet and outlet of runner, guide vane and stay vane of turbine are computed to derive flow characteristics.

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