About: Turbulence models for simulation of flow over weirs

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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
Description	Weirs belong to one of most common water structures. Various shapes of weirs are used at various conditions (e.g. emergency spillway, river weir, volumetric weir, etc.). For estimation of the weir capacity and determination of discharge coefficient the physical modelling is usually performed. Recently, numerical simulations take place here too. The main advantages of numerical simulation compared to hydraulic research are the volume of information gained, relatively lower price, and no scale effects. However, results from simulations are strongly affected by the computation setup. The choice of turbulence model belongs to most important options. Within this study the flow over weir was simulated with nine turbulence models with the aim to find the most suitable one. All simulations were compared with results from hydraulic research. Weirs belong to one of most common water structures. Various shapes of weirs are used at various conditions (e.g. emergency spillway, river weir, volumetric weir, etc.). For estimation of the weir capacity and determination of discharge coefficient the physical modelling is usually performed. Recently, numerical simulations take place here too. The main advantages of numerical simulation compared to hydraulic research are the volume of information gained, relatively lower price, and no scale effects. However, results from simulations are strongly affected by the computation setup. The choice of turbulence model belongs to most important options. Within this study the flow over weir was simulated with nine turbulence models with the aim to find the most suitable one. All simulations were compared with results from hydraulic research. (en)
Title	Turbulence models for simulation of flow over weirs Turbulence models for simulation of flow over weirs (en)
skos:prefLabel	Turbulence models for simulation of flow over weirs Turbulence models for simulation of flow over weirs (en)
skos:notation	RIV/00216305:26110/11:PU97151!RIV13-GA0-26110___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(1M0579), P(GP103/08/P538), S
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Špano, Miroslav Stara, Vlastimil
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta stavební
http://linked.open...dnocenehoVysledku	236221
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/11:PU97151
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	flow over weir, turbulence models, numerical simulations (en)
http://linked.open.../riv/klicoveSlovo	flow over weir turbulence models numerical simulations
http://linked.open...ontrolniKodProRIV	[BC696AE64208]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	Engineering mechanics 2011
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Quantitative analysis of scale effects of air-water mixture flow on stepped spillways. Centre for Integrated Design of Advanced Structures
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Špano, Miroslav Stara, Vlastimil
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2011-05-09 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav termomechaniky AV ČR
https://schema.org/isbn	978-80-87012-33-8
http://localhost/t...ganizacniJednotka	26110

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