Comparison of micron and nano particle deposition patterns in a realistic human nasal cavity

Inthavong, K, Wang, S, Wen, J, Tu, J and Xue, C 2009, 'Comparison of micron and nano particle deposition patterns in a realistic human nasal cavity', in J. Goh (ed.) 3th International Conference on Biomedical Engineering Proceedings, Singapore, 3-6 December 2008.


Document type: Conference Paper
Collection: Conference Papers

Title Comparison of micron and nano particle deposition patterns in a realistic human nasal cavity
Author(s) Inthavong, K
Wang, S
Wen, J
Tu, J
Xue, C
Year 2009
Conference name 13th International Conference on Biomedical Engineering
Conference location Singapore
Conference dates 3-6 December 2008
Proceedings title 3th International Conference on Biomedical Engineering Proceedings
Editor(s) J. Goh
Publisher Springer
Place of publication Berlin, Germany
Abstract A computational model of a nasal cavity geometry was developed from CT scans and the simulation of the fluid and particle flow within the airway was performed using a Computational Fluid Dynamics (CFD) software. It was found that the deposition patterns for micron particles were highly dependent on the particle inertia and as a result, the majority of particles deposited in the anterior regions of the airway where a change in the flow streamlines was observed. In contrast the deposition for nano particles showed an even distribution of particles throughout the airway, driven by diffusion. Particle diameter was the most important parameter in determining what mechanism of deposition was most important.
Subjects Computational Fluid Dynamics
DOI - identifier 10.1007/978-3-540-92841-6_384
Copyright notice © 2009 Springer Berlin Heidelberg
ISBN 978-3-540-92841-6
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