About: Analysis of Pelton Turbine Jet Decay Using a Proper Orthogonal Decomposition of Experimentally Obtained Image Ensemble

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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	The decay of the jet produced by the Pelton turbine nozzle is analyzed using the proper orthogonal decomposition of image ensemble obtained from a high speed camera. The ensembles of images were recorded with frequency of 1000Hz and frame size 800x600 pixels, where only the part with a boundary between jet and air is considered. The spatio-temporal behavior of the jet decay is carried out for several flow regimes depending on head and nozzle opening. The first comparison is performed for constant nozzle opening and various heads, while the second one for constant head and various nozzle openings. The nozzle was supplied by a centrifugal pump controlled by a frequency convertor. An image processing, proper orthogonal decomposition and graphical representations are performed using a self-written script in MATLAB software. The effort is to extract main unsteady frequencies and assign them to the behavior of the jet decay – longitudinal and transverse fluctuations. Noticeable is redistribution of spatio The decay of the jet produced by the Pelton turbine nozzle is analyzed using the proper orthogonal decomposition of image ensemble obtained from a high speed camera. The ensembles of images were recorded with frequency of 1000Hz and frame size 800x600 pixels, where only the part with a boundary between jet and air is considered. The spatio-temporal behavior of the jet decay is carried out for several flow regimes depending on head and nozzle opening. The first comparison is performed for constant nozzle opening and various heads, while the second one for constant head and various nozzle openings. The nozzle was supplied by a centrifugal pump controlled by a frequency convertor. An image processing, proper orthogonal decomposition and graphical representations are performed using a self-written script in MATLAB software. The effort is to extract main unsteady frequencies and assign them to the behavior of the jet decay – longitudinal and transverse fluctuations. Noticeable is redistribution of spatio (en)
Title	Analysis of Pelton Turbine Jet Decay Using a Proper Orthogonal Decomposition of Experimentally Obtained Image Ensemble Analysis of Pelton Turbine Jet Decay Using a Proper Orthogonal Decomposition of Experimentally Obtained Image Ensemble (en)
skos:prefLabel	Analysis of Pelton Turbine Jet Decay Using a Proper Orthogonal Decomposition of Experimentally Obtained Image Ensemble Analysis of Pelton Turbine Jet Decay Using a Proper Orthogonal Decomposition of Experimentally Obtained Image Ensemble (en)
skos:notation	RIV/00216305:26210/13:PU105631!RIV14-MPO-26210___
http://linked.open...avai/predkladatel	Fakulta strojního inženýrství
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(FR-TI2/517), S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Hudec, Martin Habán, Vladimír Štefan, David Rudolf, Pavel Veselý, Jindřich
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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	60602
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/13:PU105631
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Jet decay, POD, fluctuations, Pelton turbine, nozzle (en)
http://linked.open.../riv/klicoveSlovo	nozzle fluctuations Jet decay Pelton turbine POD
http://linked.open...ontrolniKodProRIV	[6F475021EF2F]
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	*The Horizontal Three Nozzles Pelton Turbine
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Habán, Vladimír Hudec, Martin Rudolf, Pavel Štefan, David Veselý, Jindřich
http://localhost/t...ganizacniJednotka	26210

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