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Flow behaviour and structure of coarse-grained slurry in horizontal pipe
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SYSNO ASEP 0364068 Druh ASEP C - Konferenční příspěvek (mezinárodní konf.) Zařazení RIV D - Článek ve sborníku Název Flow behaviour and structure of coarse-grained slurry in horizontal pipe Tvůrce(i) Vlasák, Pavel (UH-J) SAI, ORCID, RID
Kysela, Bohuš (UH-J) SAI, ORCID, RID
Chára, Zdeněk (UH-J) SAI, ORCID, RIDZdroj.dok. 15th International Conference on Transport and Sedimentation of Solid Particles. - Wroclaw : Wroclaw University of Environmental and Life Sciences, 2011 / Sobota J. - ISBN 978-83-62633-16-6 Rozsah stran s. 287-298 Poč.str. 12 s. Akce International Conference on Transport and Sedimentation of Solid Particles /15./ Datum konání 06.09.2011-09.09.2011 Místo konání Wroclaw Země PL - Polsko Typ akce WRD Jazyk dok. eng - angličtina Země vyd. PL - Polsko Klíč. slova coarse-grained slurry ; pressure drop ; velocity distribution ; concentration effect Vědní obor RIV BK - Mechanika tekutin CEP GAP105/10/1574 GA ČR - Grantová agentura ČR CEZ AV0Z20600510 - UH-J (2005-2011) UT WOS 000391415100025 Anotace The flow behaviour of coarse-grained slurry depends on particle size, shape, density and concentration, and on the density and rheological properties of the carrier liquid. The present paper describes the results of an experimental investigation and flow visualisation of model coarse-grained slurries in a re-circulating pipe loop with smooth stainless steel pipes of inner diameter 36 mm. Glass balls and washed graded pebble gravel of mean diameter d50 = 6 mm were used as models of coarse-grained material. The effect of slurry velocity and particle concentration on the slurry behaviour and pressure drop was evaluated. Particle distribution in the pipe cross-section and motion of particles along the pipe bottom, particle saltation and particle conveying in the carrier liquid were observed in a transparent pipe viewing section. Velocity profiles of the carrier liquid and conveyed particles were determined. Pracoviště Ústav pro hydrodynamiku Kontakt Soňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003 Rok sběru 2012
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