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- W2092312912 abstract "The present paper addresses a design method for pump inducers which allows the full calculation of the optimum impeller configuration for improved cavitation performance. This method permits a tight control of the blade geometry since it computes inversely the required blade shape to attain the desired stream-wise angle distribution. The blade profile is fully resolved by implementing a meridional analysis into the design process, where the radial head gradient (RHGR) is the design variable. Additional variables are the outlet blade angle and the diffusion factor (DF). Essential for the proposed method is the parabolic angle distribution assumption made to fully resolve the blade profile. Several new designs are derived for different outlet angles using the fore-mentioned design method and comparative multi-phase CFD analysis was performed, which allowed the determination of the optimum RHGR and outlet blade angle. It was shown that the models characterized by the highest hub loading delivered the best performance under the cavitating regime, with the smallest values for the inception cavitation number and the critical cavitation number. Because the overall suction performance of the pump, especially the breakdown point, is a direct measure of the inducer performance, the presented design method proves very advantageous since it delivers inducers optimized for the cavitation regime." @default.
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- W2092312912 date "2010-01-01" @default.
- W2092312912 modified "2023-09-28" @default.
- W2092312912 title "An Innovative Design Methodology for Optimum Cavitating Inducer Performance" @default.
- W2092312912 doi "https://doi.org/10.1115/imece2010-37421" @default.
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