About: Modeling of the transport, hygroscopic growth, and deposition of multi-component droplets in a simplified airway with realistic thermal boundary conditions

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About: Modeling of the transport, hygroscopic growth, and deposition of multi-component droplets in a simplified airway with realistic thermal boundary conditions Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Modeling of the transport, hygroscopic growth, and deposition of multi-component droplets in a simplified airway with realistic thermal boundary conditions
Creator	Lu, Ping Chen, Xiaole Feng, Yu Xie, Xiaojian Xia, Xueying Zhou, Xianguang
Source	Elsevier; Medline; PMC
abstract	Accurate predictions of the droplet transport, evolution, and deposition in human airways are critical for the quantitative analysis of the health risks due to the exposure to the airborne pollutant or virus transmission. The droplet/particle-vapor interaction, i.e., the evaporation or condensation of the multi-component droplet/particle, is one of the key mechanisms that need to be precisely modeled. Using a validated computational model, the transport, evaporation, hygroscopic growth, and deposition of multi-component droplets were simulated in a simplified airway geometry. A mucus-tissue layer is explicitly modeled in the airway geometry to describe mucus evaporation and heat transfer. Pulmonary flow and aerosol dynamics patterns associated with different inhalation flow rates are visualized and compared. Investigated variables include temperature distributions, relative humidity (RH) distributions, deposition efficiencies, droplet/particle distributions, and droplet growth ratio distributions. Numerical results indicate that the droplet/particle-vapor interaction and the heat and mass transfer of the mucus-tissue layer must be considered in the computational lung aerosol dynamics study, since they can significantly influence the precise predictions of the aerosol transport and deposition. Furthermore, the modeling framework in this study is ready to be expanded to predict transport dynamics of cough/sneeze droplets starting from their generation and transmission in the indoor environment to the deposition in the human respiratory system.
has issue date	2020-07-24(xsd:dateTime)
bibo:doi	10.1016/j.jaerosci.2020.105626
bibo:pmid	32836373
has license	no-cc
sha1sum (hex)	18f0c4912c2c48d3bc4c39610cb3a0b6435fcbe2
schema:url	https://doi.org/10.1016/j.jaerosci.2020.105626
resource representing a document's title	Modeling of the transport, hygroscopic growth, and deposition of multi-component droplets in a simplified airway with realistic thermal boundary conditions
has PubMed Central identifier	PMC7378524
has PubMed identifier	32836373
schema:publication	J Aerosol Sci
resource representing a document's body	covid:18f0c4912c2c48d3bc4c39610cb3a0b6435fcbe2#body_text
is schema:about of	named entity 'realistic' named entity 'droplet' named entity 'deposition' named entity 'distributions' named entity 'airways' named entity 'particle' named entity 'deposition' named entity 'hygroscopic' named entity 'simplified' named entity 'deposition' named entity 'hygroscopic' named entity 'quantitative analysis' named entity 'Abstract' named entity 'Chen' named entity 'risks' named entity 'deposition' named entity 'evolution' named entity 'condensation' named entity 'mucus' named entity 'flow rates' named entity 'pollutant' named entity 'geometry' named entity 'virus transmission' named entity 'heat transfer' named entity 'multi-component' named entity 'droplet' named entity 'laminar' named entity 'flow rate' named entity 'latent heat' named entity 'inhalation' named entity 'heat and mass' named entity 'hygroscopic' named entity 'micron' named entity '8.5' named entity 'water vapor' named entity 'hygroscopic' named entity 'evaporation' named entity 'hygroscopic' named entity 'evaporation' named entity 'NaCl' named entity 'water vapor' named entity 'water vapor' named entity 'temperature of the air' named entity 'mass diffusion coefficient' named entity 'hygroscopic' named entity 'Fluorescein' named entity 'mass flux' named entity 'inhalation' named entity 'scalar' named entity 'mucus' named entity 'hygroscopic' named entity 'kinetic energy' named entity 'mucus' named entity 'evaporation' named entity 'mucus' named entity 'absorb water' named entity 'ethanol' named entity 'heat flux' named entity 'fluorescein' named entity 'mucus' named entity '8.5' named entity 'inhalation' named entity 'mucus' named entity 'mucus' named entity 'mucus' named entity 'mucus' named entity 'hygroscopic' named entity 'mucus layer' named entity 'hygroscopicity' named entity 'water vapor' named entity 'condensable' named entity 'Reynolds number' named entity 'mucus' named entity 'particle number' named entity 'mucus' named entity 'surface areas'

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