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Numerical predictions of bubble growth in viscoelastic stretching filaments

K. S Sujatha, Hocine Matallah, M. F Webster, P. R Williams, Michael Webster Orcid Logo, Su Nithiarasu

Rheologica Acta

Swansea University Authors: Hocine Matallah, Michael Webster Orcid Logo, Su Nithiarasu

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DOI (Published version): 10.1007/s00397-010-0493-2

Abstract

In this study, we investigate the growth of bubbles within predominately extensional-deformation flows of thin film stretching form. This involves more than one free-surface to the flow (multiple surfaces), typically as inner (bubble) and outer (filament) boundaries that introduces fluid–gas interfa...

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Published in: Rheologica Acta
Published: Springer Berlin / Heidelberg 2010
Online Access: http://dx.doi.org/10.1007/s00397-010-0493-2
URI: https://cronfa.swan.ac.uk/Record/cronfa12833
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spelling 2011-10-01T00:00:00.0000000 v2 12833 2012-09-26 Numerical predictions of bubble growth in viscoelastic stretching filaments e602e946a79ef8ec015e79ad2acb14ed Hocine Matallah Hocine Matallah true false b6a811513b34d56e66489512fc2c6c61 0000-0002-7722-821X Michael Webster Michael Webster true false 8f6733726060128bc127c97eefbde9a5 Su Nithiarasu Su Nithiarasu true false 2012-09-26 AERO In this study, we investigate the growth of bubbles within predominately extensional-deformation flows of thin film stretching form. This involves more than one free-surface to the flow (multiple surfaces), typically as inner (bubble) and outer (filament) boundaries that introduces fluid–gas interfacial treatment. Various bubble initial states and locations may be considered. The problem is discretised in space–time through a hybrid-finite element/volume pressure-correction formulation, coupled with an arbitrary Lagrangian–Eulerian (ALE) coupled with VOF scheme to track domain-mesh and free-surface movement. We contrast these results against the results from a complete ALE algorithm. Various fluid-filament materials have been considered, covering such properties as constant viscosity fluids (Newtonian), low-polymeric/high-solvent viscosity Boger-type (Oldroyd-B) fluids and high-polymeric/low-solvent viscosity elastic-type fluids (Oldroyd-B and Phan-Thien/Tanner). Numerical solutions are presented in terms of comparison between algorithms (ALE versus hybrid ALE/VOF), shapes (bubble shapes, filament shapes), contours of extra-stress (magnitude and location), mid-filament radius and extensional viscosity. Journal Article Rheologica Acta Springer Berlin / Heidelberg Flow modelling - Finite-element analysis - Viscoelastic fluid - Strain hardening 1 12 2010 2010-12-01 10.1007/s00397-010-0493-2 http://dx.doi.org/10.1007/s00397-010-0493-2 COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University 2011-10-01T00:00:00.0000000 2012-09-26T11:36:13.4449417 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised K. S Sujatha 1 Hocine Matallah 2 M. F Webster 3 P. R Williams 4 Michael Webster 0000-0002-7722-821X 5 Su Nithiarasu 6
title Numerical predictions of bubble growth in viscoelastic stretching filaments
spellingShingle Numerical predictions of bubble growth in viscoelastic stretching filaments
Hocine Matallah
Michael Webster
Su Nithiarasu
title_short Numerical predictions of bubble growth in viscoelastic stretching filaments
title_full Numerical predictions of bubble growth in viscoelastic stretching filaments
title_fullStr Numerical predictions of bubble growth in viscoelastic stretching filaments
title_full_unstemmed Numerical predictions of bubble growth in viscoelastic stretching filaments
title_sort Numerical predictions of bubble growth in viscoelastic stretching filaments
author_id_str_mv e602e946a79ef8ec015e79ad2acb14ed
b6a811513b34d56e66489512fc2c6c61
8f6733726060128bc127c97eefbde9a5
author_id_fullname_str_mv e602e946a79ef8ec015e79ad2acb14ed_***_Hocine Matallah
b6a811513b34d56e66489512fc2c6c61_***_Michael Webster
8f6733726060128bc127c97eefbde9a5_***_Su Nithiarasu
author Hocine Matallah
Michael Webster
Su Nithiarasu
author2 K. S Sujatha
Hocine Matallah
M. F Webster
P. R Williams
Michael Webster
Su Nithiarasu
format Journal article
container_title Rheologica Acta
publishDate 2010
institution Swansea University
doi_str_mv 10.1007/s00397-010-0493-2
publisher Springer Berlin / Heidelberg
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
url http://dx.doi.org/10.1007/s00397-010-0493-2
document_store_str 0
active_str 0
description In this study, we investigate the growth of bubbles within predominately extensional-deformation flows of thin film stretching form. This involves more than one free-surface to the flow (multiple surfaces), typically as inner (bubble) and outer (filament) boundaries that introduces fluid–gas interfacial treatment. Various bubble initial states and locations may be considered. The problem is discretised in space–time through a hybrid-finite element/volume pressure-correction formulation, coupled with an arbitrary Lagrangian–Eulerian (ALE) coupled with VOF scheme to track domain-mesh and free-surface movement. We contrast these results against the results from a complete ALE algorithm. Various fluid-filament materials have been considered, covering such properties as constant viscosity fluids (Newtonian), low-polymeric/high-solvent viscosity Boger-type (Oldroyd-B) fluids and high-polymeric/low-solvent viscosity elastic-type fluids (Oldroyd-B and Phan-Thien/Tanner). Numerical solutions are presented in terms of comparison between algorithms (ALE versus hybrid ALE/VOF), shapes (bubble shapes, filament shapes), contours of extra-stress (magnitude and location), mid-filament radius and extensional viscosity.
published_date 2010-12-01T03:14:44Z
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score 11.037056

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