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Numerical model for fiber transport in the respiratory airways
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0002-1033-0244
University of Illinois at Urbana-Champaign.
2008 (English)In: Proceedings of the 19th International Symposium on Transport Phenomena (ISTP-19): Reykjavik, Iceland, August 17-21, 2008 / [ed] Sigurdur Brynjolfsson; Olafur Petur Palsson; Jong H. Kim, University of Iceland, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science , 2008Conference paper, Published paper (Refereed)
Abstract [en]

A numerical model is developed for fiber transport in the respiratory airways. Fibers are represented by prolate spheroids and fiber orientation is computed with quaternions. The model is valid for arbitrary Stokes flows at low particle concentrations. Forces included are fluid dynamic drag, gravity and Brownian diffusion, making the model applicable for fibers with diameters ranging from nano- to microscale. The results suggest that the potential for a fiber to reach the distal airways increases with increased fiber aspect ratio, regardless of particle size.

Place, publisher, year, edition, pages
University of Iceland, Faculty of Industrial Engineering, Mechanical Engineering and Computer Science , 2008.
National Category
Fluid Mechanics and Acoustics
Research subject
Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-39941Local ID: ee0c3f70-3de8-11dd-ab50-000ea68e967bOAI: oai:DiVA.org:ltu-39941DiVA: diva2:1013461
Conference
International Symposium on Transport Phenomena : 17/08/2008 - 21/08/2008
Note
Godkänd; 2008; Bibliografisk uppgift: CD-ROM; 20080619 (sofhog)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-28Bibliographically approved

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fulltext(352 kB)21 downloads
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cbbb4b6f78d7d6df94682023714e84458f45ea47dce04a6694245aaf7334d1d4664d24d75865c19e6edb31a852c2ebcc511cce175c226ab3c9d5a34b86fb6cd7
Type fulltextMimetype application/pdf

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CiteExportLink to record
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