The effect of unsteadiness on particle deposition in human upper and lung airways

Yuxuan Liu, Yang Liu, Haiyan Luo, Martin C.M. Wong

Research output: Chapter in book / Conference proceedingChapter in an edited book (as author)Academic researchpeer-review

2 Citations (Scopus)


The particle deposition in human upper airway and lung airways were intensively studied. Most of the investigations considered the flow as steady, and the flow was either laminar or turbulent. However, the actually respiratory flow is strongly dependant on time, and the unsteadiness would affect the particle deposition significantly. In this study, we compared the respiratory flow and particle deposition in CT-scanned human upper airway with both steady and unsteady model in laminar regime. The result indicates that the unsteady effect has significant influence on flow and particle deposition in human upper airways.
Original languageEnglish
Title of host publicationFundamental Medical and Engineering Investigations on Protective Artificial Respiration
Subtitle of host publicationA Collection of Papers from the DFG Funded Research Program PAR
Number of pages12
Publication statusPublished - 9 May 2011

Publication series

NameNotes on Numerical Fluid Mechanics and Multidisciplinary Design
ISSN (Print)1612-2909

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes

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