Loss Analysis of Single-Blade Centrifugal Pump of Different Impeller Outlet Angle(Fluids Engineering)

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  • 羽根出口角の異なる一枚羽根遠心ポンプの損失解析(流体工学,流体機械)
  • 羽根出口角の異なる一枚羽根遠心ポンプの損失解析
  • ハネ デグチカク ノ コトナル イチマイ ハネ エンシン ポンプ ノ ソンシツ カイセキ

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Single-blade centrifugal pump is used as a sewage pump widely. However, hydraulic losses increase because the impeller width is large as for single-blade centrifugal pump. It is extremely complicated, besides, because the internal flow of single-blade centrifugal pump changes greatly by an impeller position and changes by the flow rate. Therefore, a quantitative prediction and the elucidation of the generation mechanism of unsteady hydraulic losses are expected to make this kind of pump high efficiency. In this study, loss analysis was performed about two kinds of single-blade centrifugal impeller with different impeller outlet angle. As a result, the effect of the impeller outlet angle which gave it to performance and hydraulic losses was clarified. Furthermore, the momentary behavior of performance and hydraulic losses was shown, and their relations with the impeller inlet and outlet flow became clear.

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