Pressure Distribution In a Centrifugal Impeller Handling Air-Water Mixtures

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概要

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• The pressure distribution was measured in a rotating open radial impeller under several air-water two-phase flow conditions, through narrow openings drilled on the casing shown in Fig. 1 . In order to make the pressure accurate, the most reasonable values were first selected for the pump speeds and the running clearance Sc between the casing wall and the open end of impeller blades, and then the void effects on the pressure distribution were discussed for the bubbly flow regime. At a certain void fraction, remarkable changes were observed in the pressure distributions, especially in the inlet region, so that the pump performance might change correspondingly.

• 一般社団法人日本機械学会の論文

著者

• Kataoka Tadashi

  Ebara Co. Ltd.

• Murakami Mitsukiyo

  Department Of Mechanical Engineering Nagoya University

• Minemura Kiyoshi

  College Of General Education Nagoya University

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