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Influence of the impeller inlet angles on flow pattern and characteristics of mixed-flow pump
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 Title & Authors
Influence of the impeller inlet angles on flow pattern and characteristics of mixed-flow pump
Lee, Seon-Gi;
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 Abstract
For the improvement of the pump characteristics in the partial capacity range, it must be verified that the influence of the impeller design factor on the internal flows and the influence of the impeller internal flows on the pump characteristics. In this paper, in order to understand the influence of inlet angles on flow conditions and characteristics of a mixed flow pump, experiments were carried out for three kinds of impeller, which have the same outlet angle distributions and meridional section shapes. Results show that separation and stall in the partial capacity range can be controlled by the inlet angles. The relationship between the separation - stall at the impeller leading edge and the discharge flow conditions is clarified.
 Keywords
Mixed-Flow Pump;Flow Pattern;Reverse Flow;Separation-Stall;Pump Characteristics;Pressure Distribution;Oil Film Method;
 Language
Korean
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