Abstract: A fully reversible axial machine in a tidal power plant has to perform turbining and pumping in both normal and reversed directions of flow. Runner blades having “S” cambered profile are found to be suitable for all four ...

Abstract: The aerodynamic characteristics of an S-cambered profile are studied under forward and reversed flow conditions. The profile chord is cut by 3, 6, and 9 percent of the chord at the sharp ...