自吸式うず巻きポンプ内気液二相流れの基礎解析

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タイトル別名
  • A Basic Study on the Self-priming Centrifugal Pump Performance under Two Phase Flow Condition
  • ジキュウシキ ウズマキキ ポンプ ウチキエキ ニソウ ナガレ ノ キソ カイセキ

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抄録

Self-Priming Centrifugal pump operation under air-water two-phase flow shows a typical mechanical & performance failure such as " Head Drop "，" Increment of Shaft Vibration at the Bearing " and etc. In this study, we tested air-water twophase flow in a centrifugal pump which has a double volute casing construction and unique impeller. Air bubble behavior was visualized to understand the drop in pump characteristics. In addition air-water two-phase flow in the pump was calculated numerically using commercial CFD code CFX-11.0, and calculated results were compared with measured ones. The calculated results agree qualitatively with experimental ones.

収録刊行物

  • ターボ機械

    ターボ機械 38 (11), 687-693, 2010

    一般社団法人 ターボ機械協会

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