Numerical simulation of virus diffusion in facemask during breathing cycles
Identifieur interne : 000602 ( PascalFrancis/Checkpoint ); précédent : 000601; suivant : 000603Numerical simulation of virus diffusion in facemask during breathing cycles
Auteurs : LI YI [Hong Kong] ; LI FENGZHI [Hong Kong] ; ZHU QINGYONG [Hong Kong]Source :
- International journal of heat and mass transfer [ 0017-9310 ] ; 2005.
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- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The recent SARS outbreak has spawned a major controversy concerning the protective performance of facemasks. The objective of this paper is to establish a mathematical model for describing the mechanism of viruses diffusion in a facemask during breathing cycles. In this model the mechanisms of the water vapor molecular diffusion, evaporation/ condensation, sorption/desorption of moisture by fibers, Brownian diffusion of the virus, filtration of virus, capillary penetration of the viruses with the liquid water and latent heat generation due to phase change are considered
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<front><div type="abstract" xml:lang="en">The recent SARS outbreak has spawned a major controversy concerning the protective performance of facemasks. The objective of this paper is to establish a mathematical model for describing the mechanism of viruses diffusion in a facemask during breathing cycles. In this model the mechanisms of the water vapor molecular diffusion, evaporation/ condensation, sorption/desorption of moisture by fibers, Brownian diffusion of the virus, filtration of virus, capillary penetration of the viruses with the liquid water and latent heat generation due to phase change are considered</div>
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