Abstract
Introduction of Francis turbine in Nepalese micro hydropower project has been considered to uplift the turbine manufacturing ability of the local turbine manufacturers, along with the rejuvenation of the micro hydro sector in Nepal. The Francis turbine used in this study was designed for a Micro hydropower plant in Nepal. The design has been simplified in order to facilitate the local manufacturing of the turbine. The locally manufactured Francis turbine has been tested at Turbine Testing Laboratory under variable rotational speed and discharge. The performance of the Francis turbine has been measured at different operating conditions. The CFD analysis performed on the turbine has also been compared to the results obtained from the experiments. The results of pressure fluctuations, during a transient phenomenon, increase in speed of the runner under no load conditions (runaway), has also been studied under different operating conditions.
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