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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F14%3APU109640%21RIV15-MSM-26210___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
A lot of attention has been given to the study of airflow in human respiratory airways recently, because airflow characteristics greatly influence transport and deposition of the particles in human lungs. In this paper the aerodynamics occurring in upper part of human trachea is investigated. Laser optical measurements were performed in a semirealistic model of the upper airways, from mouth to 4th generation of branching. The model was attached downstream to a generator of oscillating flow, which was set to sinusoidal flow for resting conditions with mean Reynolds number Re = 1414. Flow characteristics were measured using laser optical methods, in particular Particle Image Velocimetry and Laser-Doppler Anemometry. We found that the flow in trachea was biased to the front wall due to the laryngeal jet. The flow became turbulent during high velocity phases of the sinusoidal flow and generated turbulence intensity was observed up to 20 %. These data can help to understand the complicated flow in trachea A lot of attention has been given to the study of airflow in human respiratory airways recently, because airflow characteristics greatly influence transport and deposition of the particles in human lungs. In this paper the aerodynamics occurring in upper part of human trachea is investigated. Laser optical measurements were performed in a semirealistic model of the upper airways, from mouth to 4th generation of branching. The model was attached downstream to a generator of oscillating flow, which was set to sinusoidal flow for resting conditions with mean Reynolds number Re = 1414. Flow characteristics were measured using laser optical methods, in particular Particle Image Velocimetry and Laser-Doppler Anemometry. We found that the flow in trachea was biased to the front wall due to the laryngeal jet. The flow became turbulent during high velocity phases of the sinusoidal flow and generated turbulence intensity was observed up to 20 %. These data can help to understand the complicated flow in trachea
dcterms:title
Measurement of Air Flow in Trachea Using Particle Image Velocimetry and Laser-Doppler Anemometry Measurement of Air Flow in Trachea Using Particle Image Velocimetry and Laser-Doppler Anemometry
skos:prefLabel
Measurement of Air Flow in Trachea Using Particle Image Velocimetry and Laser-Doppler Anemometry Measurement of Air Flow in Trachea Using Particle Image Velocimetry and Laser-Doppler Anemometry
skos:notation
RIV/00216305:26210/14:PU109640!RIV15-MSM-26210___
n4:aktivita
n15:P
n4:aktivity
P(7AMB13FR047), P(GAP105/11/1339)
n4:dodaniDat
n8:2015
n4:domaciTvurceVysledku
n6:1060910 n6:9747028 n6:7609493 n6:2965348 n6:6476988
n4:druhVysledku
n12:D
n4:duvernostUdaju
n18:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
27762
n4:idVysledku
RIV/00216305:26210/14:PU109640
n4:jazykVysledku
n13:eng
n4:klicovaSlova
particle image velocimetry, Laser-Doppler anemometry, model of human lungs, flow measurement, laryngeal jet
n4:klicoveSlovo
n5:flow%20measurement n5:particle%20image%20velocimetry n5:model%20of%20human%20lungs n5:laryngeal%20jet n5:Laser-Doppler%20anemometry
n4:kontrolniKodProRIV
[917478D7EED9]
n4:mistoKonaniAkce
Svratka
n4:mistoVydani
Svratka
n4:nazevZdroje
Engineering Mechanics 2014
n4:obor
n17:BK
n4:pocetDomacichTvurcuVysledku
5
n4:pocetTvurcuVysledku
8
n4:projekt
n9:GAP105%2F11%2F1339 n9:7AMB13FR047
n4:rokUplatneniVysledku
n8:2014
n4:tvurceVysledku
Bělka, Miloslav Zaremba, Matouš Malý, Milan Jedelský, Jan Lízal, František
n4:typAkce
n7:EUR
n4:zahajeniAkce
2014-05-12+02:00
s:numberOfPages
4
n20:hasPublisher
Neuveden
n11:isbn
978-80-214-4871-1
n16:organizacniJednotka
26210