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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F12%3APU98963%21RIV13-GA0-26210___
rdf:type
skos:Concept n5:Vysledek
dcterms:description
We have developed a new human airway model as a simplified version of a model with realistic ge-ometry with the aim to improve optical access for laser based airflow measurements. Time-resolved cyclic flow velocities in both the models were com-pared. Identical general features of the flow with some important differences were found. Particularly the velocity fluctuations, attributed to Dean flow and to Taylor-Görtler vortices in the realistic model, were suppressed in the simple-shape model. The latter, by contrast, provides several fold higher sampling rate and superior data acquired by Phase-Doppler Anemometry (PDA) due to better optical access. It predetermines this model for validation of CFD predictions having in mind that it cannot fully resolve the character of the real flow. Despite of this a more detailed flow study in the simplified model has shown a spatial complexity of the flow in bifur-cating model. Inspiratory turbulence, due to the lar-yngeal jet, as well as the expiratory mixing driv We have developed a new human airway model as a simplified version of a model with realistic ge-ometry with the aim to improve optical access for laser based airflow measurements. Time-resolved cyclic flow velocities in both the models were com-pared. Identical general features of the flow with some important differences were found. Particularly the velocity fluctuations, attributed to Dean flow and to Taylor-Görtler vortices in the realistic model, were suppressed in the simple-shape model. The latter, by contrast, provides several fold higher sampling rate and superior data acquired by Phase-Doppler Anemometry (PDA) due to better optical access. It predetermines this model for validation of CFD predictions having in mind that it cannot fully resolve the character of the real flow. Despite of this a more detailed flow study in the simplified model has shown a spatial complexity of the flow in bifur-cating model. Inspiratory turbulence, due to the lar-yngeal jet, as well as the expiratory mixing driv
dcterms:title
COMPARISON OF PARTICLE-LADEN AIR FLOW IN REALISTIC AND SEMI-REALISTIC MODEL OF HUMAN AIRWAYS COMPARISON OF PARTICLE-LADEN AIR FLOW IN REALISTIC AND SEMI-REALISTIC MODEL OF HUMAN AIRWAYS
skos:prefLabel
COMPARISON OF PARTICLE-LADEN AIR FLOW IN REALISTIC AND SEMI-REALISTIC MODEL OF HUMAN AIRWAYS COMPARISON OF PARTICLE-LADEN AIR FLOW IN REALISTIC AND SEMI-REALISTIC MODEL OF HUMAN AIRWAYS
skos:notation
RIV/00216305:26210/12:PU98963!RIV13-GA0-26210___
n5:predkladatel
n6:orjk%3A26210
n3:aktivita
n16:P
n3:aktivity
P(GAP105/11/1339), P(ME09030), P(OC10052)
n3:dodaniDat
n14:2013
n3:domaciTvurceVysledku
n11:4040619 n11:6476988
n3:druhVysledku
n15:O
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
127996
n3:idVysledku
RIV/00216305:26210/12:PU98963
n3:jazykVysledku
n13:eng
n3:klicovaSlova
PARTICLE-LADEN AIR FLOW, REALISTIC MODEL, HUMAN AIRWAYS
n3:klicoveSlovo
n8:HUMAN%20AIRWAYS n8:PARTICLE-LADEN%20AIR%20FLOW n8:REALISTIC%20MODEL
n3:kontrolniKodProRIV
[7EC468C7F4A1]
n3:obor
n10:BK
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:projekt
n7:ME09030 n7:OC10052 n7:GAP105%2F11%2F1339
n3:rokUplatneniVysledku
n14:2012
n3:tvurceVysledku
Jícha, Miroslav Lízal, František Elcner, Jakub Jedelský, Jan
n17:organizacniJednotka
26210