A numerical model of slug flow in vertical tubes
type: Item
instance of: scholarly article
title: A numerical model of slug flow in vertical tubes
zbMATH Open document ID: 0886.76068
DOI: 10.1016/S0045-7930(96)00016-3
author: J. Ning
published in: Computers and Fluids
publication date: 1997-10-26T00:00:00Z
review text: This paper presents a numerical method for the determination of the flow field structure in slug flow in vertical tubes. The method is based on the ensemble averaged transport equations governing the flow of the liquid around the Taylor bubble and in the slug, which together comprise one slug unit. Turbulence is accounted for by the \(k\)-\(\varepsilon\) model. An iterative scheme is used to compute the shape and velocity of the Taylor bubble simultaneously with the flow field; the conditions which are taken to determine these quantities are uniform bubble pressure and smoothness of the bubble nose. The equations are discretized using a finite volume technique on a block structured, non-orthogonal mesh which conforms to the flow domain boundary. The predicted velocities of a single Taylor bubble rising in both stagnant and moving liquid agree very well with experimental data.
Mathematics Subject Classification ID: 76M25
Mathematics Subject Classification ID: 76N10
Mathematics Subject Classification ID: 76T99
zbMATH DE Number: 1077897
zbMATH Keywords: \(k\)-epsilon turbulence model
zbMATH Keywords: ensemble averaged transport equations
zbMATH Keywords: Taylor bubble
zbMATH Keywords: iterative scheme
zbMATH Keywords: finite volume technique
zbMATH Keywords: non-orthogonal mesh
MaRDI profile type: Publication
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full work available at URL: s0045-7930(96)00016-3
OpenAlex ID: W2093712197
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description: scientific article; zbMATH DE number 1077897