About: Fractal Analysis of Laminar and Turbulent Flow Patterns

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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 visual observation of flow patterns and shapes enables to decide whether the flow is laminar or turbulent. Depending on the character of the flow, the technologies based on heat or mass transfer have various efficiency. Then it is useful to measure and control the chaotic processes to obtain the turbulent flow with minimum consumption of energy. The images of laminar and turbulent flow shapes were scanned using digital camera in real time for various consumption of energy. The color 2D images were converted to the gray scale, passed through contextual filter and then compared to obtain the binary image of flow structure. The boundary contours were analyzed for the estimate of Hausdorf dimension using the boxcounting technique. The higher consumption of energy means the higher power of the water pump, then the higher Reynolds number and Hausdorf dimension of the flow shape. The fractal and multifractal characteristics can be used in the feedback control. The visual observation of flow patterns and shapes enables to decide whether the flow is laminar or turbulent. Depending on the character of the flow, the technologies based on heat or mass transfer have various efficiency. Then it is useful to measure and control the chaotic processes to obtain the turbulent flow with minimum consumption of energy. The images of laminar and turbulent flow shapes were scanned using digital camera in real time for various consumption of energy. The color 2D images were converted to the gray scale, passed through contextual filter and then compared to obtain the binary image of flow structure. The boundary contours were analyzed for the estimate of Hausdorf dimension using the boxcounting technique. The higher consumption of energy means the higher power of the water pump, then the higher Reynolds number and Hausdorf dimension of the flow shape. The fractal and multifractal characteristics can be used in the feedback control. (en)
Title	Fractal Analysis of Laminar and Turbulent Flow Patterns Fractal Analysis of Laminar and Turbulent Flow Patterns (en)
skos:prefLabel	Fractal Analysis of Laminar and Turbulent Flow Patterns Fractal Analysis of Laminar and Turbulent Flow Patterns (en)
skos:notation	RIV/60461373:22340/03:00007471!RIV/2004/MSM/223404/N
http://linked.open.../vavai/riv/strany	70-70
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 223400007)
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Majerová, Dana Kubíček, Miroslav Kukal, Jaromír
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	607662
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/03:00007471
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	fractal analysis, laminar flow, turbulent flow, process monitoring, boxcounting (en)
http://linked.open.../riv/klicoveSlovo	fractal analysis turbulent flow laminar flow process monitoring boxcounting
http://linked.open...ontrolniKodProRIV	[54B149F4DAEB]
http://linked.open...v/mistoKonaniAkce	Štrbské Pleso
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	Proc. of 14th Int. Conf. on Process Control PC '03
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2003
http://linked.open...iv/tvurceVysledku	Kukal, Jaromír Kubíček, Miroslav Majerová, Dana
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2003-04-04 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223400007
number of pages	1 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovenská technická univerzita v Bratislave
https://schema.org/isbn	80-227-1902-1
http://localhost/t...ganizacniJednotka	22340

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