Performance Prediction by Viscous Flow Analysis for Francis Turbine Runner

[+] Author and Article Information
T. C. Vu

Hydro Business, GE Canada, Lachine, Québec, Canada, H8S-2S8

W. Shyy

Department of Aerospace Engineering, Mechanics and Engineering Science, University of Florida, 231 Aerospace Bldg., Gainesville, FL 32611

J. Fluids Eng 116(1), 116-120 (Mar 01, 1994) (5 pages) doi:10.1115/1.2910218 History: Received June 23, 1992; Revised February 03, 1993; Online May 23, 2008


Validation of a three-dimensional computational algorithm for viscous flow analysis has been conducted for two types of Francis turbine runner geometry, one low head and one high head, using experimental measurement. Assessment has been made for both qualitative features of flow behavior, as well as quantitative distribution of blade pressure and head loss. The influence of the grid size on the accuracy of the numerical solution is also discussed. Effort has been made to address some of the design issues, and to demonstrate that the present computational algorithm can make useful contributions to help improve the current design practices.

Copyright © 1994 by The American Society of Mechanical Engineers
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