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On the deformation of fibrous suspensions
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-5294-1855
2019 (English)In: Transactions of the Nordic Rheology Society, Nordic Rheology Society , 2019, Vol. 27Conference paper, Published paper (Refereed)
Abstract [en]

An understanding of the rheology and dynamics of the deformation of fibrous suspension as a multiphase fluid is important in order to be able to fully disclose the flow behaviour from very low to very high shear rates. In this study, a flexible fibre model has been implemented in an open source Computational Fluid Dynamics code. The three-dimensional Navier-Stokes equations which describe the fluid motion are employed while the fibrous phase of the fluid is modeled as chains of fiber segments interacting with the fluid through viscous- and drag forces. The aim of this study is to investigate the fibre dynamics against several orbit classes - i.e. rigid, springy, flexible and complex rotation of the fibres1-3 enabling the model to have all degrees of freedom - translation, rotation, bending and twisting. The simulations are performed using the OpenFOAM open source software.

Place, publisher, year, edition, pages
Nordic Rheology Society , 2019. Vol. 27
National Category
Fluid Mechanics and Acoustics
Research subject
Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-75701OAI: oai:DiVA.org:ltu-75701DiVA, id: diva2:1346317
Conference
Nordic Rheology Conference, Gothenburg, aug 21-23, 2019
Available from: 2019-08-27 Created: 2019-08-27 Last updated: 2019-08-28

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fulltext(456 kB)13 downloads
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Hamedi, NaserWesterberg, Lars-Göran
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CiteExportLink to record
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Citation style
  • apa
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