About: Decomposition of the swirling flow field downstream of Francis turbine runner

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1088/1755-1315/15/6/062008
Description	Practical application of proper orthogonal decomposition (POD) is presented. Spatio-temporal behaviour of the coherent vortical structures in the draft tube of hydraulic turbine is studied for two partial load operating points. POD enables to identify the eigen modes, which compose the flow field and rank the modes according to their energy. Swirling flow fields are decomposed, which provides information about their streamwise and crosswise development and the energy transfer among modes. Presented methodology also assigns frequencies to the particular modes, which helps to identify the spectral properties of the flow with concrete mode shapes. Thus POD offers a complementary view to current time domain simulations or measurements. Practical application of proper orthogonal decomposition (POD) is presented. Spatio-temporal behaviour of the coherent vortical structures in the draft tube of hydraulic turbine is studied for two partial load operating points. POD enables to identify the eigen modes, which compose the flow field and rank the modes according to their energy. Swirling flow fields are decomposed, which provides information about their streamwise and crosswise development and the energy transfer among modes. Presented methodology also assigns frequencies to the particular modes, which helps to identify the spectral properties of the flow with concrete mode shapes. Thus POD offers a complementary view to current time domain simulations or measurements. (en)
Title	Decomposition of the swirling flow field downstream of Francis turbine runner Decomposition of the swirling flow field downstream of Francis turbine runner (en)
skos:prefLabel	Decomposition of the swirling flow field downstream of Francis turbine runner Decomposition of the swirling flow field downstream of Francis turbine runner (en)
skos:notation	RIV/00216305:26210/12:PU102029!RIV13-MPO-26210___
http://linked.open...avai/predkladatel	Fakulta strojního inženýrství
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI1/418), P(GA101/09/1715)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Štefan, David Rudolf, Pavel
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	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	129786
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/12:PU102029
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	decomposition, swirling flow, proper orthogonal decomposition, stability, vortex rope, draft tube (en)
http://linked.open.../riv/klicoveSlovo	proper orthogonal decomposition decomposition stability draft tube swirling flow vortex rope
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[F15963F02A93]
http://linked.open...i/riv/nazevZdroje	IOP Conference Series: Earth and Environmental Science
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Cavitating vortical structures induced by rotation of liquid Research and development of high-speed pumps with suppressed cavitation
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	15
http://linked.open...iv/tvurceVysledku	Rudolf, Pavel Štefan, David
issn	1755-1315
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	26210
is http://linked.open...avai/riv/vysledek of	Decomposition of the swirling flow field downstream of Francis turbine runner

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