Detail publikace

Rychlostní profily v idealizovaném modelu horních cest dýchacích

ELCNER, J. JEDELSKÝ, J. LÍZAL, F. JÍCHA, M.

Originální název

Velocity profiles in idealized model of human respiratory tract

Český název

Rychlostní profily v idealizovaném modelu horních cest dýchacích

Anglický název

Velocity profiles in idealized model of human respiratory tract

Typ

článek ve sborníku

Jazyk

en

Originální abstrakt

This article deals with numerical simulation focused on velocity profiles in idealized model of human upper airways during steady inspiration. Three regimes of breathing were investigated: Resting condition, Deep breathing and Light activity which correspond to most common regimes used for experiments and simulations. Calculation was validated with experimental data given by Phase Doppler Anemometry performed on the model with same geometry. This comparison was made in multiple points which form one cross-section in trachea near first bifurcation of bronchial tree. Development of velocity profile in trachea during steady inspiration was discussed with respect for common phenomenon formed in trachea and for future research of transport of aerosol particles in human respiratory tract.

Český abstrakt

Článek se zabývá numerickými výpočty zaměřenými na rychlostní profily ve zjednodušeném modelu horních cest dýchacích, během nádechu. Řešeny byli tři druhy lidské aktivity: Klidový režím, Hluboký nádech a lehká aktivita, které odpovídají nejběžněji řešeným případům. Výsledky výpočtu byly porovnány s experimenty provedenými na modelu se stejnou geometrií. Srovnání bylo provedeno v 33 bodech v trachei poblíž první bifurkace bronchiálního stromu. Vývoj proudění v trachei během nádechu a jevy, které ovlivňují proudění v této oblasti byly diskutovány.

Anglický abstrakt

This article deals with numerical simulation focused on velocity profiles in idealized model of human upper airways during steady inspiration. Three regimes of breathing were investigated: Resting condition, Deep breathing and Light activity which correspond to most common regimes used for experiments and simulations. Calculation was validated with experimental data given by Phase Doppler Anemometry performed on the model with same geometry. This comparison was made in multiple points which form one cross-section in trachea near first bifurcation of bronchial tree. Development of velocity profile in trachea during steady inspiration was discussed with respect for common phenomenon formed in trachea and for future research of transport of aerosol particles in human respiratory tract.

Klíčová slova

CFD, proudění, horní cesty dýchací

Rok RIV

2012

Vydáno

20.11.2012

Nakladatel

Technical University of Line

Místo

Liberec

ISBN

978-80-7372-912-7

Kniha

Proceedings of the International conference Experimental Fluid Mechanics 2012

Edice

1

Číslo edice

1

Strany od

165

Strany do

168

Strany počet

4

BibTex


@inproceedings{BUT95364,
  author="Jakub {Elcner} and Jan {Jedelský} and František {Lízal} and Miroslav {Jícha}",
  title="Velocity profiles in idealized model of human respiratory tract",
  annote="This article deals with numerical simulation focused on velocity profiles in idealized model of human upper airways during steady inspiration. Three regimes of breathing were investigated: Resting condition, Deep breathing and Light activity which correspond to most common regimes used for experiments and simulations. Calculation was validated with experimental data given by Phase Doppler Anemometry performed on the model with same geometry. This comparison was made in multiple points which form one cross-section in trachea near first bifurcation of bronchial tree. Development of velocity profile in trachea during steady inspiration was discussed with respect for common phenomenon formed in trachea and for future research of transport of aerosol particles in human respiratory tract.",
  address="Technical University of Line",
  booktitle="Proceedings of the International conference Experimental Fluid Mechanics 2012",
  chapter="95364",
  doi="10.1051/epjconf/20134501025",
  edition="1",
  howpublished="print",
  institution="Technical University of Line",
  number="2013",
  year="2012",
  month="november",
  pages="165--168",
  publisher="Technical University of Line",
  type="conference paper"
}