Computer Aided Design of Butterfly Inlet Valvesby Anton Bergant, TZ Litostroj, Ljubljana, Yugosl, TZ Litostroj, Ljubljana, Yugosl,
Abstract: Computer simulation of butterfly inlet valves (throughflow, lattice) in hydropower schemes is presented. The software is intended for practisting engineers to obtain significant parameters for final design of valves and its auxiliary equipment. The concept of systematical modelling of program units is applied in computer processing. The processing is divided into two parts: hydrodynamic analysis and basic mechanical design of the butterfly valve. An application of the program package for analysis of throughflow valve in hydropower plant with Francis turbine is also presented. Results of analysis are shown graphically and discussed from designer's point of view.
Subject Headings: Valves | Computer aided design | Hydro power | Finite element method | Computer models | Inlets (waterway) | Power plants | Stress analysis
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