0434613 - ÚH 2015 RIV GR eng C - Konferenční příspěvek (zahraniční konf.)
Vlasák, Pavel - Chára, Zdeněk - Konfršt, Jiří
Movement of coarse particles in horizontal pipes.
Innovacionnyje sistemy planirovanija i upravljenija v mašinostrojenii: sbornik trudov II meždunarodnoj naučno – praktičeskoj konferencii. Tom I.. Sankt Petersburg, 2014, s. 136-140. ISBN 978-5-4386-0318-4.
[Innovacionnyje sistemy planirovanija i upravljenija v mašinostrojenii. Sankt Petersburg (RU), 16.04.2014-17.04.2014]
Grant CEP: GA ČR GAP105/10/1574
Výzkumný záměr: CEZ:AV0Z20600510
Institucionální podpora: RVO:67985874
Klíčová slova: horizontal pipes * particle-water mixtures * mixture velocity * Durand model * particle movement
Kód oboru RIV: BK - Mechanika tekutin

The present paper describes the results of an experimental investigation and flow visualization of coarse particle-water mixtures in two experimental pipe loops with smooth stainless steel of inner diameter D = 36 and 100 mm, respectively. Glass balls (P_p = 2 540 kg.m^-3) and graded gravel (pp = 2 650 kg.m^-3), both of the mean diameter d 50 = 6 mm, and basalt pebbles (pp = 2 787 kg.m^-3) of narrow particle size distribution and of the mean diameter d₅₀ = 11 were used as models of coarse-grained material. water was used as the carrier liquid. The volumetric concentration c_v of the studied mixtures ranged from 2.7 to 14%). Concentration distribution was measured using y-ray device. A transparent viewing section was used for observation of flow pattern and particle movement.
Trvalý link: http://hdl.handle.net/11104/0238590