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Article: Theoretical analysis of the motion and evaporation of exhaled respiratory droplets of mixed composition
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TitleTheoretical analysis of the motion and evaporation of exhaled respiratory droplets of mixed composition
 
AuthorsParienta, D2
Morawska, L4
Johnson, GR4
Ristovski, ZD4
Hargreaves, M4
Mengersen, K4
Corbett, S5
Chao, CYH3
Li, Y1
Katoshevski, D2
 
KeywordsComposition variation
Droplet dynamics
Droplet evaporation
Modeling
Residence time
 
Issue Date2011
 
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jaerosci
 
CitationJournal of Aerosol Science, 2011, v. 42 n. 1, p. 1-10 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.jaerosci.2010.10.005
 
AbstractThe 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. © 2010 Elsevier Ltd.
 
ISSN0021-8502
2013 Impact Factor: 2.705
2013 SCImago Journal Rankings: 1.223
 
DOIhttp://dx.doi.org/10.1016/j.jaerosci.2010.10.005
 
ISI Accession Number IDWOS:000286960200001
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorParienta, D
 
dc.contributor.authorMorawska, L
 
dc.contributor.authorJohnson, GR
 
dc.contributor.authorRistovski, ZD
 
dc.contributor.authorHargreaves, M
 
dc.contributor.authorMengersen, K
 
dc.contributor.authorCorbett, S
 
dc.contributor.authorChao, CYH
 
dc.contributor.authorLi, Y
 
dc.contributor.authorKatoshevski, D
 
dc.date.accessioned2012-08-08T08:45:17Z
 
dc.date.available2012-08-08T08:45:17Z
 
dc.date.issued2011
 
dc.description.abstractThe 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. © 2010 Elsevier Ltd.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationJournal of Aerosol Science, 2011, v. 42 n. 1, p. 1-10 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.jaerosci.2010.10.005
 
dc.identifier.citeulike8120769
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.jaerosci.2010.10.005
 
dc.identifier.epage10
 
dc.identifier.hkuros209692
 
dc.identifier.isiWOS:000286960200001
 
dc.identifier.issn0021-8502
2013 Impact Factor: 2.705
2013 SCImago Journal Rankings: 1.223
 
dc.identifier.issue1
 
dc.identifier.scopuseid_2-s2.0-78149237364
 
dc.identifier.spage1
 
dc.identifier.urihttp://hdl.handle.net/10722/157090
 
dc.identifier.volume42
 
dc.languageeng
 
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jaerosci
 
dc.publisher.placeUnited Kingdom
 
dc.relation.ispartofJournal of Aerosol Science
 
dc.relation.referencesReferences in Scopus
 
dc.subjectComposition variation
 
dc.subjectDroplet dynamics
 
dc.subjectDroplet evaporation
 
dc.subjectModeling
 
dc.subjectResidence time
 
dc.titleTheoretical analysis of the motion and evaporation of exhaled respiratory droplets of mixed composition
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. Ben-Gurion University of the Negev
  3. Hong Kong University of Science and Technology
  4. Queensland University of Technology
  5. Centre for Mental Health