Esforcos hidraulicos dinamicos em turbomaquinas
Alternative titleHydraulic dynamic efforts on pump turbines
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A measurement device has been developed to measure force and torque components acting on the impeller of a model pump-turbine, which uses crystal quartz load transducers installed on the rotating shaft. These kinds of load transducers allow greater stiffness than arrangements using strain gauges. Therefore, the dynamics behavior of the measurement device has to be taken into account. Some results of measurements are present in the whole operating range of model pump-turbine.