Theoretical analysis of the motion and evaporation of exhaled respiratory droplets of mixed composition
Parienta, Dror, Morawska, Lidia, Johnson, Graham R., Ristovski, Zoran, Hargreaves, Megan, Mengersen, Kerrie L., Corbett, Stephen, Chao, Christopher, Li, Yuguo, & Katoshevski, David (2010) Theoretical analysis of the motion and evaporation of exhaled respiratory droplets of mixed composition. Journal of Aerosol Science, 42(1), pp. 1-10.
The dynamics of droplets exhaled from the respiratory system during coughing or talking is addressed. A mathematical model is presented accounting for the motion of a droplet in conjunction with its evaporation. Droplet evaporation and motion are accounted for under two
scenarios: 1) A well mixed droplet and 2) A droplet with inner composition variation. A multiple shells model was implemented to account for internal mass and heat transfer and for concentration and temperature gradients inside the droplet. The trajectories of the droplets are computed for a range of conditions and the spatial distribution and residence times of such droplets are evaluated.
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|Item Type:||Journal Article|
|Keywords:||Exhaled Respiratory Droplets, Droplet Motion, Droplet Evaporation|
|Subjects:||Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OTHER PHYSICAL SCIENCES (029900) > Biological Physics (029901)|
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Sciences not elsewhere classified (040199)
|Divisions:||Past > Schools > Cell & Molecular Biosciences|
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Institutes > Institute of Health and Biomedical Innovation
Past > Schools > Medical Sciences
Past > Schools > Physics
|Copyright Owner:||Copyright 2010 Elsevier|
|Deposited On:||19 Nov 2010 11:45|
|Last Modified:||01 Mar 2012 00:24|
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