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Statements

Subject Item
n2:RIV%2F67985874%3A_____%2F11%3A00361108%21RIV12-AV0-67985874
rdf:type
skos:Concept n8:Vysledek
dcterms:description
The Kaolin and fly ash slurries were measured on the experimental pipeline loop of inner diameter 17.5, 26.8 and 36 mm. An attention was paid to the laminar/turbulent transition, which can be well indicating by pressure fluctuations. At the beginning of the laminar/turbulent transition the hydraulic gradient steeply increases with increasing velocity. It is accompanied by the different patterns of the differential pressure fluctuation for the laminar, transitional and turbulent regimes. In the laminar regime the pressure fluctuations are of small amplitude and temporally limited. A high level of instability, eddy formation and pressure fluctuation are characteristic for the transition region, the amplitude of pressure fluctuations increases with increasing slurry velocity. For the turbulent regime the frequency of pressure pulsations becomes higher and due to filtration of the pressure signal the pressure gradient record seems to be relatively smoother. The Kaolin and fly ash slurries were measured on the experimental pipeline loop of inner diameter 17.5, 26.8 and 36 mm. An attention was paid to the laminar/turbulent transition, which can be well indicating by pressure fluctuations. At the beginning of the laminar/turbulent transition the hydraulic gradient steeply increases with increasing velocity. It is accompanied by the different patterns of the differential pressure fluctuation for the laminar, transitional and turbulent regimes. In the laminar regime the pressure fluctuations are of small amplitude and temporally limited. A high level of instability, eddy formation and pressure fluctuation are characteristic for the transition region, the amplitude of pressure fluctuations increases with increasing slurry velocity. For the turbulent regime the frequency of pressure pulsations becomes higher and due to filtration of the pressure signal the pressure gradient record seems to be relatively smoother.
dcterms:title
Laminar and turbulent transition of non-newtonian slurries Laminar and turbulent transition of non-newtonian slurries
skos:prefLabel
Laminar and turbulent transition of non-newtonian slurries Laminar and turbulent transition of non-newtonian slurries
skos:notation
RIV/67985874:_____/11:00361108!RIV12-AV0-67985874
n8:predkladatel
n9:ico%3A67985874
n3:aktivita
n13:Z n13:P
n3:aktivity
P(GAP105/10/1574), Z(AV0Z20600510)
n3:dodaniDat
n15:2012
n3:domaciTvurceVysledku
n6:8556717 n6:5636582
n3:druhVysledku
n20:D
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
208899
n3:idVysledku
RIV/67985874:_____/11:00361108
n3:jazykVysledku
n22:eng
n3:klicovaSlova
kaolin slurry; fly ash slurry; laminar/turbulent transition; pressure fluctuation
n3:klicoveSlovo
n14:kaolin%20slurry n14:pressure%20fluctuation n14:fly%20ash%20slurry n14:laminar%2Fturbulent%20transition
n3:kontrolniKodProRIV
[52201413E987]
n3:mistoKonaniAkce
Kyjev
n3:mistoVydani
Saratov
n3:nazevZdroje
Matematičeskije metody v technike i technologijach MMTT-24
n3:obor
n5:BK
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n18:GAP105%2F10%2F1574
n3:rokUplatneniVysledku
n15:2011
n3:tvurceVysledku
Vlasák, Pavel Chára, Zdeněk
n3:typAkce
n19:WRD
n3:zahajeniAkce
2011-05-31+02:00
n3:zamer
n21:AV0Z20600510
s:numberOfPages
5
n12:hasPublisher
Saratovskij gosudarstvennyj techničeskij universitet
n4:isbn
978-5-7433-2386-9