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Volume of fluid method

About: Volume of fluid method is a research topic. Over the lifetime, 5338 publications have been published within this topic receiving 116760 citations.


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Journal ArticleDOI
TL;DR: In this article, the applicability of the VOF (volume of fluid) method to analyses of a single rising bubble was examined in order to examine the feasibility of direct simulation of bubbly flow.
Abstract: In order to examine the feasibility of direct simulation of bubbly flow, the applicability of the VOF (volume of fluid) method to analyses of a single rising bubble was examined in this study. Calculated bubble shapes and terminal velocities under wide ranges of Eotvos number and Morton number were compared with the experimental data summarized by Grace et al. Except for the cases in which bubble shapes were spherical-cap and skirted, the VOF method could predict them well by assigning only eight cells to the bubble diameter. Hence, it was confirmed that some modification of this method will enable us to simulate bubbly flow directly under a wide range of flow conditions. The relationship between bubble shape and velocity distribution was also examined within the ranges in which the VOF method is valid. It was found that the secondary vortex appearing in wobbling bubbles induces a velocity component normal to the bubble interface, and this velocity is one of the causes of the wobbling shape of the bubble.

58 citations

Journal ArticleDOI
TL;DR: In this article, the behavior of condensing single vapor bubble in subcooled boiling flow within two different vertical rectangular channels has been numerically investigated by using the VOF (Volume Of Fluid) multiphase flow model.

58 citations

Journal ArticleDOI
TL;DR: In this article, the fluid displacement associated with the injection and subsequent translation of high Reynolds number bubbles in a thin gap is examined experimentally, and compared with a theoretical model based on a two-dimensional inviscid flow calculation.

58 citations

Proceedings ArticleDOI
01 Jan 2003
TL;DR: In this paper, numerical simulations of two-phase flow with high-density ratio are presented, taking into account mass transport of a soluble component and its interfacial mass transfer, and the discontinuous changes in species concentrations at the interface are modeled by means of Henry's law.
Abstract: This paper presents numerical simulations of two-phase flow with high-density ratio, taking into account mass transport of a soluble component and its interfacial mass transfer. The mathematical model and the numerical method allow for different solubility of the species in the respective fluid phases, while volume changes due to mass transfer are neglected. The discontinuous changes in species concentrations at the interface are modeled by means of Henry’s law. Simulations are carried out with an extended version of the highly parallelized code FS3D, which employs an advanced Volume-Of-Fluid (VOF) method. Transfer and transport of oxygen is examined in case of single bubbles as well as bubble chains rising in aqueous solutions. Numerical simulations show good qualitative agreement with experimental data and render the observed mass transfer phenomena correctly.Copyright © 2003 by ASME

57 citations

Journal ArticleDOI
TL;DR: In this paper, a two-equation k-e turbulence model is used to simulate the propagation of cnoidal waves over a submerged bar, where the free surface is handled by the volume-offluid (VOF) method.

57 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023315
2022655
2021352
2020345
2019341
2018323