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Data for A computational study of fluctuating viscoelastic forces on trapped interfaces in porous media

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Cooper, Laura and Sprittles, James E. (2020) Data for A computational study of fluctuating viscoelastic forces on trapped interfaces in porous media. [Dataset]

[img] Other (MATLAB workspace file)
20200708_Data_FluctuatingForces.mat - Published Version
Available under License Creative Commons Attribution 4.0.

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[img] Plain Text (Readme file)
README.txt - Accepted Version
Available under License Creative Commons Attribution 4.0.

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Abstract

In immiscible liquid–liquid Newtonian flow through a porous medium, one phase often becomes trapped in corners or narrow regions by capillary forces as blobs (e.g. oil ganglia) deep within the matrix, whilst the second flow exhibits a steady and laminar flow (e.g. of water) that has negligible influence on the trapped liquid–liquid interfaces. However, recent microfluidic experiments have shown the situation radically changes when using a viscoelastic liquid, which is capable of exhibiting pore-scale unsteady flow that can deform such interfaces. Here, a computational model is developed which allows us to capture the forces that cause this behaviour and provide a framework for future investigations of this system. In this paper, the forces on trapped interfaces are investigated for the first time. Notably, when the viscoelastic flow becomes unsteady the forces on the trapped interfaces not only fluctuate but also become amplified, thus supporting experimental findings showing they can be used to free such interfaces. At Weissenberg values of 1.5 and above the fluctuations become important and the mean values of the forces on the interfaces decrease as the fluctuations grow.

Item Type: Dataset
Subjects: Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software
Q Science > QC Physics
Q Science > QD Chemistry
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Medicine > Warwick Medical School > Biomedical Sciences > Cell & Developmental Biology
Type of Data: Computational Data
Library of Congress Subject Headings (LCSH): Viscoelastic materials, Fluid mechanics, Porous materials -- Fluid dynamics
Publisher: Warwick Medical School
Official Date: 8 July 2020
Dates:
DateEvent
8 July 2020Published
Collection date:
Date fromDate to
20192020
Status: Not Peer Reviewed
Publication Status: Published
Media of Output: .mat
Access rights to Published version: Open Access
Copyright Holders: University of Warwick
Description:

Data record consists of the raw data in a matlab workspace file and an accompanying readme file.

RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/N016602/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
EP/P020887/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
EP/P031684/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
UNSPECIFIEDLeverhulme Trusthttp://dx.doi.org/10.13039/501100000275
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Contributors:
ContributionNameContributor ID
DepositorCooper, LauraUNSPECIFIED

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