Experimental study on interfacial area transport of a vertical downward bubbly flow

T. Hibiki; H. Goda; Seungjin Kim; M. Ishii; J. Uhle

doi:10.1007/s00348-003-0640-y

Experimental study on interfacial area transport of a vertical downward bubbly flow

T. Hibiki, H. Goda, Seungjin Kim, M. Ishii, J. Uhle

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Abstract

In relation to the development of the interfacial area transport equation, local flow measurements of vertical downward air-water flows in a pipe with an inner diameter of 50.8 mm were performed at three axial locations of z/D=6.50, 34.0, and 66.5 as well as ten radial locations from r/R=0 to r/R=0.9 using a multi-sensor probe. In the experiment, the superficial liquid velocity and the void fraction ranged from -0.620 m/s to -2.49 m/s and from 0.21% to 8.4%, respectively. The dependence of the interfacial area transport on the liquid velocity, void fraction, and bubble size is discussed in detail.

Original language	English (US)
Pages (from-to)	100-111
Number of pages	12
Journal	Experiments in Fluids
Volume	35
Issue number	1
DOIs	https://doi.org/10.1007/s00348-003-0640-y
State	Published - Jul 1 2003

All Science Journal Classification (ASJC) codes

Computational Mechanics
Mechanics of Materials
Physics and Astronomy(all)
Fluid Flow and Transfer Processes

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AU - Hibiki, T.

AU - Goda, H.

AU - Kim, Seungjin

AU - Ishii, M.

AU - Uhle, J.

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AB - In relation to the development of the interfacial area transport equation, local flow measurements of vertical downward air-water flows in a pipe with an inner diameter of 50.8 mm were performed at three axial locations of z/D=6.50, 34.0, and 66.5 as well as ten radial locations from r/R=0 to r/R=0.9 using a multi-sensor probe. In the experiment, the superficial liquid velocity and the void fraction ranged from -0.620 m/s to -2.49 m/s and from 0.21% to 8.4%, respectively. The dependence of the interfacial area transport on the liquid velocity, void fraction, and bubble size is discussed in detail.

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Experimental study on interfacial area transport of a vertical downward bubbly flow

Abstract

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