About: Numerical model of spherical particle saltation in a channel with a transversely tilted rough bed

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/67985874:_____/09:00330620!RIV10-AV0-67985874
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/06/1487), Z(AV0Z20600510)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Vlasák, Pavel Chára, Zdeněk Lukerchenko, Nikolay Piatsevich Siarhei, Siarhei
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav pro hydrodynamiku AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	330222
http://linked.open...ai/riv/idVysledku	RIV/67985874:_____/09:00330620
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	saltation; transversely tilted bed; particle-bed collision; particle sorting (en)
http://linked.open.../riv/klicoveSlovo	particle sorting transversely tilted bed particle-bed collision saltation
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[3985448EEA94]
http://linked.open...i/riv/nazevZdroje	Journal of Hydrology and Hydromechanics. Vodohospodársky časopis
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Mathematical modelling and numerical simulation of the particle saltation in a channel
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	57
http://linked.open...iv/tvurceVysledku	Chára, Zdeněk Vlasák, Pavel Lukerchenko, Nikolay Piatsevich Siarhei, Siarhei
http://linked.open...ain/vavai/riv/wos	000268906900005
http://linked.open...n/vavai/riv/zamer	Dynamics of Fluid Systems and Transformation Processes in Hydrosphere
issn	0042-790X
number of pages	9 (xsd:int)

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