Unsteady Internal Flow in a Centrifugal Pump for Low Viscous Fluid Food

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Other Title
  • 低粘度流体食品用遠心ポンプの非定常内部流れについて
  • テイネンド リュウタイ ショクヒンヨウ エンシン ポンプ ノ ヒテイジョウ ナイブ ナガレ ニ ツイテ

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Description

Fluid machineries for fluid food have been used in wide variety of field i.e. transportation, filling, and improvement of quality of fluid food. Although, flow conditions of these are quite complicated because fluid food is different from water. Therefore, design method based on the internal flow conditions is not conducted. In this research, the centrifugal pump having small number of blade was used to decrease shear loss and keep wide flow passage. In previous studies, it was found that unsteady internal flow condition occurred in a test pump, but those flow phenomena were not clarified. In order to investigate the unsteady internal flow condition in detail, the numerical analysis using low viscous fluid was conducted. In this paper, the unsteady internal flow conditions of centrifugal pump using low viscous fluid were clarified by experimental and unsteady numerical analysis results. In addition to that, the design method based on the internal flow was considered.

Journal

  • Turbomachinery

    Turbomachinery 41 (12), 734-742, 2013

    Turbomachinery Society of Japan

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