About: Flow distribution and velocity profiles in realistic human airway model

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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	Comparisons of published studies done on idealized lung geometry with investigations made on more realistic models have shown an influence of complex actual geometry on flow and particle transport. To enable optical measurement of aerosol transport with air as working fluid, we created realistic thin-walled transparent airway model. The non-symmetric bifurcation model reflects real non-planar lung geometry and spans from throat to 3rd-4th generation of bronchi. Two realistic airway models were used for study of flow distribution into particular lung branches at three steady and three oscillatory flow regimes. Significant differences were found in flow rate distribution into the individual branches of each model and also between both the models. Velocity of aerosol in trachea was studied using Phase Doppler Analyzer. Mean axial velocity followed the harmonic course of generated flow. Turbulence level was found lower in the inspiration then in the expiration part of the cycle. Comparisons of published studies done on idealized lung geometry with investigations made on more realistic models have shown an influence of complex actual geometry on flow and particle transport. To enable optical measurement of aerosol transport with air as working fluid, we created realistic thin-walled transparent airway model. The non-symmetric bifurcation model reflects real non-planar lung geometry and spans from throat to 3rd-4th generation of bronchi. Two realistic airway models were used for study of flow distribution into particular lung branches at three steady and three oscillatory flow regimes. Significant differences were found in flow rate distribution into the individual branches of each model and also between both the models. Velocity of aerosol in trachea was studied using Phase Doppler Analyzer. Mean axial velocity followed the harmonic course of generated flow. Turbulence level was found lower in the inspiration then in the expiration part of the cycle. (en)
Title	Flow distribution and velocity profiles in realistic human airway model Flow distribution and velocity profiles in realistic human airway model (en)
skos:prefLabel	Flow distribution and velocity profiles in realistic human airway model Flow distribution and velocity profiles in realistic human airway model (en)
skos:notation	RIV/00216305:26210/09:PU83594!RIV10-GA0-26210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/07/0862)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Lízal, František Jícha, Miroslav Jedelský, Jan
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 strojního inženýrství
http://linked.open...dnocenehoVysledku	315256
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/09:PU83594
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Flow distribution, flow velocity, realistic model, human airway (en)
http://linked.open.../riv/klicoveSlovo	human airway realistic model Flow distribution flow velocity
http://linked.open...ontrolniKodProRIV	[EAC1A5A7B78E]
http://linked.open...v/mistoKonaniAkce	Holany-Litice
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	Sborník XXIII. Sympozia o anemometrii
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	Experimental study of fluid dynamics, transport and deposition of aerosol particles in successively bifurcating mini-airways
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Jedelský, Jan Jícha, Miroslav Lízal, František
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-06-02 (xsd:date)
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav pro hydrodynamiku AV ČR
https://schema.org/isbn	978-80-87117-06-4
http://localhost/t...ganizacniJednotka	26210

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