A pseudo-fluid representation of vertical liquid-coarse solids flow

The pseudo–fluid concept has been applied for the prediction of the pressure gradient and voidage in vertical liquid-coarse solids flow. Treating the flowing mixture as a single homogenous fluid, the correlation for the friction coefficient of the suspension–wall was developed, as was the correlatio...

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Main Authors: Garić-Grulović Radmila V., Grbavčić Željko B., Arsenijević Zorana Lj.
Format: Article
Language:English
Published: Serbian Chemical Society 2005-01-01
Series:Journal of the Serbian Chemical Society
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0352-5139/2005/0352-51390505775G.pdf
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author Garić-Grulović Radmila V.
Grbavčić Željko B.
Arsenijević Zorana Lj.
author_facet Garić-Grulović Radmila V.
Grbavčić Željko B.
Arsenijević Zorana Lj.
author_sort Garić-Grulović Radmila V.
collection DOAJ
description The pseudo–fluid concept has been applied for the prediction of the pressure gradient and voidage in vertical liquid-coarse solids flow. Treating the flowing mixture as a single homogenous fluid, the correlation for the friction coefficient of the suspension–wall was developed, as was the correlation between the true voidage and the apparent (volumetric) voidage in the transport tube. Experiments were performed using water and spherical glass particles 1.20, 1.94 and 2.98 mm in diameter in a transport tube of 24 mm in diameter. The loading ratio (Gp/Gf) was varied between 0.05 and 1.05 and the fluid superficial velocity was between 0.4 Ut and 4.95 Ut where Ut represents the single particle terminal velocity. The voidage ranged from 0.648 to 0.951 for these ratios. Experimental data for the pressure gradient and voidage from the literature agree well with the proposed correlations.
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spelling doaj.art-14915c8ff2544d8e9a32df1f3925912c2022-12-21T17:44:09ZengSerbian Chemical SocietyJournal of the Serbian Chemical Society0352-51391820-74212005-01-0170577578410.2298/JSC0505775G0352-51390505775GA pseudo-fluid representation of vertical liquid-coarse solids flowGarić-Grulović Radmila V.0Grbavčić Željko B.1Arsenijević Zorana Lj.2Institute of Chemistry, Technology and Metallurgy, BelgradeFaculty of Technology and Metallurgy, BelgradeInstitute of Chemistry, Technology and Metallurgy, BelgradeThe pseudo–fluid concept has been applied for the prediction of the pressure gradient and voidage in vertical liquid-coarse solids flow. Treating the flowing mixture as a single homogenous fluid, the correlation for the friction coefficient of the suspension–wall was developed, as was the correlation between the true voidage and the apparent (volumetric) voidage in the transport tube. Experiments were performed using water and spherical glass particles 1.20, 1.94 and 2.98 mm in diameter in a transport tube of 24 mm in diameter. The loading ratio (Gp/Gf) was varied between 0.05 and 1.05 and the fluid superficial velocity was between 0.4 Ut and 4.95 Ut where Ut represents the single particle terminal velocity. The voidage ranged from 0.648 to 0.951 for these ratios. Experimental data for the pressure gradient and voidage from the literature agree well with the proposed correlations.http://www.doiserbia.nb.rs/img/doi/0352-5139/2005/0352-51390505775G.pdfliquid–solids flowpseudo–fluid representation
spellingShingle Garić-Grulović Radmila V.
Grbavčić Željko B.
Arsenijević Zorana Lj.
A pseudo-fluid representation of vertical liquid-coarse solids flow
Journal of the Serbian Chemical Society
liquid–solids flow
pseudo–fluid representation
title A pseudo-fluid representation of vertical liquid-coarse solids flow
title_full A pseudo-fluid representation of vertical liquid-coarse solids flow
title_fullStr A pseudo-fluid representation of vertical liquid-coarse solids flow
title_full_unstemmed A pseudo-fluid representation of vertical liquid-coarse solids flow
title_short A pseudo-fluid representation of vertical liquid-coarse solids flow
title_sort pseudo fluid representation of vertical liquid coarse solids flow
topic liquid–solids flow
pseudo–fluid representation
url http://www.doiserbia.nb.rs/img/doi/0352-5139/2005/0352-51390505775G.pdf
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