Detail publikačního výsledku

Study of airflow during respiratory cycle in semi-realistic model of human tracheobronchial tree

ELCNER, J.; ZAREMBA, M.; MALÝ, M.; JEDELSKÝ, J.; LÍZAL, F.; JÍCHA, M.

Originální název

Study of airflow during respiratory cycle in semi-realistic model of human tracheobronchial tree

Anglický název

Study of airflow during respiratory cycle in semi-realistic model of human tracheobronchial tree

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

This article deals with study of airflow under breathing process, which is characteristic by unsteady behavior. Simulations provided by computational fluid dynamics (CFD) was compared with experiments performed on similar geometry of human upper airways. This geometry was represented by mouth cavity of realistic shape connected to an idealized tracheobronchial tree up to fourth generation of branching. Commercial CFD software Star-CCM+ was used to calculate airflow inside investigated geometry and method of Reynolds averaging of Navier-Stokes equations was used for subscribing the turbulent behavior through model geometry. Conditions corresponding to resting state were considered. Comparisons with experiments were provided on several points through trachea and bronchial tree and results with respect to inspiratory and respiratory part of breathing cycle was discussed.

Anglický abstrakt

This article deals with study of airflow under breathing process, which is characteristic by unsteady behavior. Simulations provided by computational fluid dynamics (CFD) was compared with experiments performed on similar geometry of human upper airways. This geometry was represented by mouth cavity of realistic shape connected to an idealized tracheobronchial tree up to fourth generation of branching. Commercial CFD software Star-CCM+ was used to calculate airflow inside investigated geometry and method of Reynolds averaging of Navier-Stokes equations was used for subscribing the turbulent behavior through model geometry. Conditions corresponding to resting state were considered. Comparisons with experiments were provided on several points through trachea and bronchial tree and results with respect to inspiratory and respiratory part of breathing cycle was discussed.

Klíčová slova

Airflow, CFD, Lungs, Respiratory cycle

Klíčová slova v angličtině

Airflow, CFD, Lungs, Respiratory cycle

Autoři

ELCNER, J.; ZAREMBA, M.; MALÝ, M.; JEDELSKÝ, J.; LÍZAL, F.; JÍCHA, M.

Rok RIV

2017

Vydáno

27.04.2016

Nakladatel

American Institute of Physics Inc.

ISBN

978-0-7354-1402-0

Kniha

APPLICATION OF EXPERIMENTAL AND NUMERICAL METHODS IN FLUID MECHANICS AND ENERGY 2016: XX ANNIVERSARY OF INTERNATIONAL SCIENTIFIC CONFERENCE

ISSN

0094-243X

Periodikum

AIP conference proceedings

Svazek

1745

Stát

Spojené státy americké

Strany od

1

Strany do

6

Strany počet

6

URL

http://dx.doi.org/10.1063/1.4953703

BibTex

@inproceedings{BUT129687,
  author="Jakub {Elcner} and Matouš {Zaremba} and Milan {Malý} and Jan {Jedelský} and František {Lízal} and Miroslav {Jícha}",
  title="Study of airflow during respiratory cycle in semi-realistic model of human tracheobronchial tree",
  booktitle="APPLICATION OF EXPERIMENTAL AND NUMERICAL METHODS IN FLUID MECHANICS AND ENERGY 2016: XX ANNIVERSARY OF INTERNATIONAL SCIENTIFIC CONFERENCE",
  year="2016",
  journal="AIP conference proceedings",
  volume="1745",
  pages="1--6",
  publisher="American Institute of Physics Inc.",
  doi="10.1063/1.4953703",
  isbn="978-0-7354-1402-0",
  issn="0094-243X",
  url="http://dx.doi.org/10.1063/1.4953703"
}