About: Validation of transport and friction formulae for upper plane bed by experiments in rectangular pipe

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.ih.savba.sk/jhh/
Description	The paper describes results of validation of authors' recently proposed formulae for sediment transport and bed friction in the upper plane bed regime using laboratory experiments in a pressurized pipe. Flows of mixture of water and fine to medium ballotini (d50 = 0.18 mm) were observed in a rectangular pipe (51 x 51 mm) with a deposit at the bottom of the pipe. A comparison of test results with transport-formula predictions shows a satisfactory match confirming a good prediction ability of the proposed transport formula at high bed shear. A prediction ability of the friction formulae appears to be less convincing but still reasonable. A joint use of the formulae for transport and friction predicts the delivered concentration of transported sediment within the accuracy range of ± 40 per cent for flows in which transported sediments strongly affect the bed friction, i.e. for flows with delivered concentration of sediment higher than say 3 per cent. The paper describes results of validation of authors' recently proposed formulae for sediment transport and bed friction in the upper plane bed regime using laboratory experiments in a pressurized pipe. Flows of mixture of water and fine to medium ballotini (d50 = 0.18 mm) were observed in a rectangular pipe (51 x 51 mm) with a deposit at the bottom of the pipe. A comparison of test results with transport-formula predictions shows a satisfactory match confirming a good prediction ability of the proposed transport formula at high bed shear. A prediction ability of the friction formulae appears to be less convincing but still reasonable. A joint use of the formulae for transport and friction predicts the delivered concentration of transported sediment within the accuracy range of ± 40 per cent for flows in which transported sediments strongly affect the bed friction, i.e. for flows with delivered concentration of sediment higher than say 3 per cent. (en)
Title	Validation of transport and friction formulae for upper plane bed by experiments in rectangular pipe Validation of transport and friction formulae for upper plane bed by experiments in rectangular pipe (en)
skos:prefLabel	Validation of transport and friction formulae for upper plane bed by experiments in rectangular pipe Validation of transport and friction formulae for upper plane bed by experiments in rectangular pipe (en)
skos:notation	RIV/68407700:21110/13:00208187!RIV14-GA0-21110___
http://linked.open...avai/predkladatel	Fakulta stavební
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP105/12/1082)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Matoušek, Václav Krupička, Jan Picek, Tomáš
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	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	113553
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/13:00208187
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Sediment transport; Sheet flow; Bed load; Suspended load (en)
http://linked.open.../riv/klicoveSlovo	Sheet flow Suspended load Sediment transport Bed load
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[703EA67918AA]
http://linked.open...i/riv/nazevZdroje	Journal of Hydrology and Hydromechanics
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Modeling of intense transport of sediment in flood flow
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	61(2)
http://linked.open...iv/tvurceVysledku	Krupička, Jan Matoušek, Václav Picek, Tomáš
http://linked.open...ain/vavai/riv/wos	000321482600005
issn	0042-790X
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.2478/johh-2013-0016
http://localhost/t...ganizacniJednotka	21110

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