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http://dx.doi.org/10.3795/KSME-B.2012.36.7.721

Numerical Study on Multiphase Flows Induced by Wall Adhesion  

Myong, Hyon-Kook (School of Mechanical Systems Engineering, Kookmin Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.36, no.7, 2012 , pp. 721-730 More about this Journal
Abstract
The present paper presents a numerical study on multiphase flows induced by wall adhesion. The continuum surface force (CSF) model with the wall adhesion boundary condition model is used for calculating the surface tension force; this model is implemented in an in-house solution code (PowerCFD). The present method (code) employs an unstructured cell-centered method based on a conservative pressure-based finite-volume method with a volume capturing method (CICSAM) in a volume of fluid (VOF) scheme for phase interface capturing. The effects of wall adhesion are then numerically simulated by using the present method for a shallow pool of water located at the bottom of a cylindrical tank with no external forces such as gravity. Two different cases are computed, one in which the water wets the wall and one in which the water does not wet the wall. It is found that the present method efficiently simulates the surface tension-dominant multiphase flows induced by wall adhesion.
Keywords
Wall Adhesion; Surface Tension; Multiphase Flow; Volume of Fluid(VOF); Numerical Study; Free Surface; Volume Capturing Method; Unstructured Grid System;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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