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Statements

Subject Item
n2:RIV%2F67985874%3A_____%2F09%3A00330620%21RIV10-AV0-67985874
rdf:type
n10:Vysledek skos:Concept
dcterms:description
The paper deals with the spherical particle saltation in a channel with rough transversely tilted bed. Simulation is based on the 3D numerical model developed by the authors. It takes into account the translational and rotational particle motion. The stochastic method and the concept of a contact zone were used to determine a particle trajectory and its dependence on the bed lateral slope, particle diameter, and shear velocity. The effect of the bed lateral slope results in a deviation of the particle trajectory from the downstream direction. The particles trajectories were calculated and it was shown their random character. The centrelines of the bundle of trajectories can be approximated by the straight lines for low and moderate bed transverse slope. The deviation angle increases with increasing of the bed lateral slope, particle diameter and with decreasing the shear velocity. The particles can be sorted according to their size. An example of the particle sorting was calculated. The paper deals with the spherical particle saltation in a channel with rough transversely tilted bed. Simulation is based on the 3D numerical model developed by the authors. It takes into account the translational and rotational particle motion. The stochastic method and the concept of a contact zone were used to determine a particle trajectory and its dependence on the bed lateral slope, particle diameter, and shear velocity. The effect of the bed lateral slope results in a deviation of the particle trajectory from the downstream direction. The particles trajectories were calculated and it was shown their random character. The centrelines of the bundle of trajectories can be approximated by the straight lines for low and moderate bed transverse slope. The deviation angle increases with increasing of the bed lateral slope, particle diameter and with decreasing the shear velocity. The particles can be sorted according to their size. An example of the particle sorting was calculated.
dcterms:title
Numerical model of spherical particle saltation in a channel with a transversely tilted rough bed Numerical model of spherical particle saltation in a channel with a transversely tilted rough bed
skos:prefLabel
Numerical model of spherical particle saltation in a channel with a transversely tilted rough bed Numerical model of spherical particle saltation in a channel with a transversely tilted rough bed
skos:notation
RIV/67985874:_____/09:00330620!RIV10-AV0-67985874
n3:aktivita
n8:Z n8:P
n3:aktivity
P(GA103/06/1487), Z(AV0Z20600510)
n3:cisloPeriodika
3
n3:dodaniDat
n15:2010
n3:domaciTvurceVysledku
n5:5636582 Piatsevich Siarhei, Siarhei n5:8556717 Lukerchenko, Nikolay
n3:druhVysledku
n18:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n6:predkladatel
n3:idSjednocenehoVysledku
330222
n3:idVysledku
RIV/67985874:_____/09:00330620
n3:jazykVysledku
n16:eng
n3:klicovaSlova
saltation; transversely tilted bed; particle-bed collision; particle sorting
n3:klicoveSlovo
n4:transversely%20tilted%20bed n4:particle%20sorting n4:particle-bed%20collision n4:saltation
n3:kodStatuVydavatele
SK - Slovenská republika
n3:kontrolniKodProRIV
[3985448EEA94]
n3:nazevZdroje
Journal of Hydrology and Hydromechanics. Vodohospodársky časopis
n3:obor
n17:BK
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n9:GA103%2F06%2F1487
n3:rokUplatneniVysledku
n15:2009
n3:svazekPeriodika
57
n3:tvurceVysledku
Piatsevich Siarhei, Siarhei Vlasák, Pavel Chára, Zdeněk Lukerchenko, Nikolay
n3:wos
000268906900005
n3:zamer
n12:AV0Z20600510
s:issn
0042-790X
s:numberOfPages
9