Title: Aerosol deposition in human airways during breathing cycle
Authors: Forman, Matěj
Jícha, Miroslav
Katolický, Jaroslav
Citation: Applied and Computational Mechanics. 2007, vol. 1, no. 2, p. 437-444.
Issue Date: 2007
Publisher: University of West Bohemia
Document type: článek
URI: http://www.kme.zcu.cz/acm/old_acm/full_papers/acm_vol1no2_p052.pdf
ISSN: 1802-680X (Print)
2336-1182 (Online)
Keywords: dýchací cyklus;dýchací cesty;počítačová tomografie;aerosolová depozice
Keywords in different language: breathing cycle;human airways;computer tomography;aerosol deposition
Abstract: A numerical model of the aerosol transport and deposition in human airways is presented. The model was acquired from a CT scan a living person and consist of 6-9 bifurcations giving around 100 terminations of the tree. The oral/nasal cavity was not modelled in the presented work. The deposition of the particles is given for two breathing regimes, the resting conditions with a tidal volume of 0.5 liter and 15l/min ventilation with period of 4sec/cycle and full exercise conditions with 3.33 liter tidal volume and 120l/min minute ventilation with cycle period of 1.25sec/cycle. The aerosol concentration was assumed 50μg/m3 distributed in the three size classes PM10, PM 5 and PM 1. The results shows deposition in different segments of the tracheo-bronchial tree as well as velocity profiles at different time steps of the breathing cycle.
Rights: © 2007 University of West Bohemia. All rights reserved.
Appears in Collections:Volume 1, number 2 (2007)
Volume 1, number 2 (2007)

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Please use this identifier to cite or link to this item: http://hdl.handle.net/11025/1932

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