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RISA Numerical Study of Francis Turbine Operation at No-Load Condition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a numerical methodology to study Francis turbines at no-load condition, an important operating condition regarding static and dynamic stresses. The proposed methodology uses unsteady Reynolds-averaged ...
Numerical Investigation of the Influence of Cavitation on the Runner Speed at Speed-No-Load and Runaway for a Francis Turbine of Low Specific Speed
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Studies have shown that the runner speed of hydraulic turbines at no-load conditions is affected by cavitation. However, those studies did not provide explanations relating the variation of the no-load runner speed to ...