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W artykule opisano badania eksperymentalne I numeryczne wpływu wygięcia łopatek na struktury przepływu oraz na ogólną sprawność maszyny. Niski współczynnik kształtu kreuje skomplikowany przepływ trójwymiarowy zdominowany przez przepływy wtórne. Celem pracy było zredukowanie tego wpływu poprzez zmianę wygięcia łopatek pierwszej kierownicy. Zmodyfikowane łopatki kierownic zmniejszyły te wpływy. Jest...
The performance of a reversible pump turbine close to runaway is important for the stability of a pumped storage plant. In this study CFD is used to predict the turbine characteristics. Good correspondence between the experimental and computational results is found when a simplified loss model is used to account for the components not present in the CFD model. Despite the promising results, more work...
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