Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach

We develop a new mathematical model for rotational sedimentation of particles for steady flows of a viscoplastic granular fluid in a concentric-cylinder Couette geometry when rotation of the Couette cell inner cylinder is prescribed. We treat the suspension as a micro-polar fluid. The model is valid...

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Detalles Bibliográficos
Autor principal: Shelukhin, Vladimir
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8037239/
https://www.ncbi.nlm.nih.gov/pubmed/33805358
http://dx.doi.org/10.3390/polym13071072
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author Shelukhin, Vladimir
author_facet Shelukhin, Vladimir
author_sort Shelukhin, Vladimir
collection PubMed
description We develop a new mathematical model for rotational sedimentation of particles for steady flows of a viscoplastic granular fluid in a concentric-cylinder Couette geometry when rotation of the Couette cell inner cylinder is prescribed. We treat the suspension as a micro-polar fluid. The model is validated by comparison with known data of measurement. Within the proposed theory, we prove that sedimentation occurs due to particles’ rotation and rotational diffusion.
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spelling pubmed-80372392021-04-12 Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach Shelukhin, Vladimir Polymers (Basel) Article We develop a new mathematical model for rotational sedimentation of particles for steady flows of a viscoplastic granular fluid in a concentric-cylinder Couette geometry when rotation of the Couette cell inner cylinder is prescribed. We treat the suspension as a micro-polar fluid. The model is validated by comparison with known data of measurement. Within the proposed theory, we prove that sedimentation occurs due to particles’ rotation and rotational diffusion. MDPI 2021-03-29 /pmc/articles/PMC8037239/ /pubmed/33805358 http://dx.doi.org/10.3390/polym13071072 Text en © 2021 by the author. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ).
spellingShingle Article
Shelukhin, Vladimir
Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach
title Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach
title_full Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach
title_fullStr Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach
title_full_unstemmed Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach
title_short Rotational Particle Separation in Solutions: Micropolar Fluid Theory Approach
title_sort rotational particle separation in solutions: micropolar fluid theory approach
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8037239/
https://www.ncbi.nlm.nih.gov/pubmed/33805358
http://dx.doi.org/10.3390/polym13071072
work_keys_str_mv AT shelukhinvladimir rotationalparticleseparationinsolutionsmicropolarfluidtheoryapproach

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