Design and Manufacture of Turbine Runner Blades Using CAD/CAM-Technologyby Franz Strohmer, Voest-Alpine AG, Linz, Austria, Voest-Alpine AG, Linz, Austria,
Stefan Winkler, Voest-Alpine AG, Linz, Austria, Voest-Alpine AG, Linz, Austria,
Abstract: Interactive blade design, fluid flow analysis, stress analysis and NC-matching of both model and prototype blades are working from a common data base and are demonstrated in this paper. The application of the finite-element-method for the fluid flow analysis is predicting the complex behavior of the fluid flow and is yielding new designs with improved performance characteristics. The three-dimensional stress analysis provides detailed informations of the static and dynamic behavior of the computed component. For optimizing the manufacturing process the CAD/CAM-technology is used.
Subject Headings: Fluid flow | Stress analysis | Computer aided design | Manufacturing | Turbines | Hydraulic design | Three-dimensional analysis | Dynamic analysis
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