JSME international journal. Ser. 2, Fluids engineering, heat transfer, power, combustion, thermophysical properties
Print ISSN : 0914-8817
Air-Water Two-Phase Flow through a Pipe Junction : Effect of the Reynolds Number on the Local Void Fraction Distribution
Tetsuo SUU
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1992 Volume 35 Issue 1 Pages 76-81

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Abstract

The distribution of the local void fraction across a section of a conduit was studied experimentally in air-water two-phase flow flowed through a pipe junction with the branching angle of 90°and the area ratio of unity. As in the previous report, the main conduit of the pipe junction was set up vertically, and upward air-water bubbly and slug flows were produced in the main upstream section. If the flow regime, the quality and the ratio of lateral mass flow discharge of water to total mass flow discharge of water are equal, the larger the Reynolds number is, the more violent the variety of the local void fraction distribution adjacent to the branching point in the lateral conduit is. However, the variety in the main downstream section is hardly influenced by the Reynolds number.

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© The Japan Society of Mechanical Engineers
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