Upgrading Open-Wheel Pit Hydro Plants with Modern Submersible Hydroturbines

by Zbigniew Czarnota, Flygt AB, Sweden,
Robert Nobile, Flygt AB, Sweden,



Document Type: Proceeding Paper

Part of: Waterpower '89

Abstract: This paper presents a new approach in rehabilitating open-wheel hydrosites by using modern, standard submersible hydroturbines, open flume type cylinder gates, and high efficiency draft tubes. It also presents the hydraulic model test studies made to establish a numerical open flume model that takes into consideration the geometrical parameters (distance between turbines, depth of flume, submergence of turbine inlet) to determine flow distribution patterns between the turbines.

Subject Headings: Hydraulic models | Turbines | Flow distribution | Flumes | Gates (hydraulic) | Model analysis | Model tests | Numerical models

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