遠心ポンプ羽根車の開放化が気液二相流性能に及ぼす影響

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タイトル別名
  • Studies on Air-Water Two-Phase Flow Performance of a Centrifugal Pump with Open Impeller

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説明

Experiments of air/water two-phase flow performance were carried out for a centrifugal pump with open impeller to investigate effects of removing a part or the whole of shroud disks of an impeller. Results show that the adoption of open impeller by removing front shroud and an outer part of rear one is an effectiveness for improving two-phase flow pump performance. Changes of pump head in single-phase and two-phase conditions with removing shrouds are discussed qualitatively by considering influences of leakage flow from blade tip on the main flow distortion in impeller flow passages.

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