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Statements

Subject Item
n2:RIV%2F67985874%3A_____%2F14%3A00429616%21RIV15-GA0-67985874
rdf:type
n8:Vysledek skos:Concept
dcterms:description
The advanced knowledge of coarse-grained slurry flow behavior is important for safe, reliable, and economical design and operation of the pipeline transport. The effect of the mixture velocity, solid concentration, and pipe inclination on the coarse-grained particle – water mixtures flow behavior and pressure drop in the turbulent flow regime was experimentally studied in horizontal, vertical, and inclined pipe of inner diameter D = 100 mm. The respective experimental methods, including radiometric methods for particle concentration distribution in pipe cross-section, were used. Graded basalt gravel was used as a model of solid particles. Concentration distribution in the pipe cross-section and motion of particles along the horizontal pipe invert were also studied. The study revealed that the coarse-grained particle-water mixtures in the horizontal and inclined pipes were significantly stratified. The particles moved principally in a layer close to the pipe invert. However, for higher and moderate flow velocities particle saltation becomes dominant mode of particle conveying and particles moved also in the central and upper part of the pipe cross-section. The advanced knowledge of coarse-grained slurry flow behavior is important for safe, reliable, and economical design and operation of the pipeline transport. The effect of the mixture velocity, solid concentration, and pipe inclination on the coarse-grained particle – water mixtures flow behavior and pressure drop in the turbulent flow regime was experimentally studied in horizontal, vertical, and inclined pipe of inner diameter D = 100 mm. The respective experimental methods, including radiometric methods for particle concentration distribution in pipe cross-section, were used. Graded basalt gravel was used as a model of solid particles. Concentration distribution in the pipe cross-section and motion of particles along the horizontal pipe invert were also studied. The study revealed that the coarse-grained particle-water mixtures in the horizontal and inclined pipes were significantly stratified. The particles moved principally in a layer close to the pipe invert. However, for higher and moderate flow velocities particle saltation becomes dominant mode of particle conveying and particles moved also in the central and upper part of the pipe cross-section.
dcterms:title
Flow of coarse-grained particles-water mixture in pipes Flow of coarse-grained particles-water mixture in pipes
skos:prefLabel
Flow of coarse-grained particles-water mixture in pipes Flow of coarse-grained particles-water mixture in pipes
skos:notation
RIV/67985874:_____/14:00429616!RIV15-GA0-67985874
n4:aktivita
n12:P n12:I
n4:aktivity
I, P(GAP105/10/1574)
n4:dodaniDat
n20:2015
n4:domaciTvurceVysledku
n14:5636582 n14:8556717 n14:5511542 n14:8968411
n4:druhVysledku
n5:D
n4:duvernostUdaju
n13:S
n4:entitaPredkladatele
n7:predkladatel
n4:idSjednocenehoVysledku
17061
n4:idVysledku
RIV/67985874:_____/14:00429616
n4:jazykVysledku
n9:eng
n4:klicovaSlova
heterogeneous slurry; hydraulic conveying; concentration distribution; pressure drop; pipe inclination
n4:klicoveSlovo
n6:concentration%20distribution n6:heterogeneous%20slurry n6:hydraulic%20conveying n6:pressure%20drop n6:pipe%20inclination
n4:kontrolniKodProRIV
[36D655ED6B89]
n4:mistoKonaniAkce
Praha
n4:mistoVydani
Praha
n4:nazevZdroje
15th International Freight Pipeline society symposium
n4:obor
n15:BK
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
4
n4:projekt
n18:GAP105%2F10%2F1574
n4:rokUplatneniVysledku
n20:2014
n4:tvurceVysledku
Vlasák, Pavel Krupička, Jan Konfršt, Jiří Chára, Zdeněk
n4:typAkce
n19:WRD
n4:zahajeniAkce
2014-06-24+02:00
s:numberOfPages
12
n3:hasPublisher
Ústav pro hydrodynamiku AV ČR
n10:isbn
978-80-87117-12-5