Numerical Analysis of Bubble Motion Characteristics within Vertical Rectangular Micro Channels

Yan Chen; Ye Lu; Shusheng Zhang

doi:10.4028/www.scientific.net/AMM.300-301.893

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 300-301Numerical Analysis of Bubble Motion...

Numerical Analysis of Bubble Motion Characteristics within Vertical Rectangular Micro Channels

Abstract:

In this paper, flow patterns transition criteria from bubble growth to confined bubbly flow, from isolated/confined bubbly flow to slug flow, and from slug flow to annular flow are numerical analyzed. The prediction of the theoretical model agrees well with experimental data. By carrying out comparative study, it is indicated that there is an apparent postponement of flow patterns transition of flow boiling in mini/micro-channel than that under adiabatic conditions.

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Periodical:

Applied Mechanics and Materials (Volumes 300-301)

Pages:

893-897

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.300-301.893

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Online since:

February 2013

Authors:

Yan Chen, Ye Lu, Shusheng Zhang

Keywords:

Boiling Heat Transfer, Bubble Dynamics, Mini-Channel, Numerical Simulation

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