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International Journal of Rotating Machinery
Volume 2, Issue 3, Pages 139-148

An Integrated Flow Analysis System for the Recalculation of Hydraulic Machinery Bladings

Institute and Laboratory of Hydraulic Machinery and Plants, Technical University of Munich, Germany

Copyright © 1996 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The present paper deals with the recalculation of hydraulic machinery bladings. By combining numerical tools for the geometrical description of the bladings, mesh generation, different CFD flow models (Q3D Euler, 3D Euler, Navier-Stokes) and post-processing a highly efficient integrated flow analysis system is obtained.

The capability of the developed software package is shown by recalculating water turbine runners of different specific speeds, a semi-axial and a radial centrifugal impeller. The results of the flow computations are compared to each other and to existing measurements.