About: CFD study of exhaled droplet transmission between occupants under different ventilation strategies in a typical office room

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About: CFD study of exhaled droplet transmission between occupants under different ventilation strategies in a typical office room 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	CFD study of exhaled droplet transmission between occupants under different ventilation strategies in a typical office room
Creator	Gao, Naiping Zhu, Tong Niu, Jianlei He, Qibin Wu, Jiazheng
Source	Elsevier; Medline; PMC
abstract	This paper investigated the transmission of respiratory droplets between two seated occupants equipped with one type of personalized ventilation (PV) device using round movable panel (RMP) in an office room. The office was ventilated by three different total volume (TV) ventilation strategies, i.e. mixing ventilation (MV), displacement ventilation (DV), and under-floor air distribution (UFAD) system respectively as background ventilation methods. Concentrations of particles with aerodynamic diameters of 0.8 μm, 5 μm, and 16 μm as well as tracer gas were numerically studied in the Eulerian frame. Two indexes, i.e. intake fraction (IF) and concentration uniformity index R(C) were introduced to evaluate the performance of ventilation systems. It was found that without PV, DV performed best concern protecting the exposed manikin from the pollutants exhaled by the polluting manikin. In MV when the exposed manikin opened RMP the inhaled air quality could always be improved. In DV and UFAD application of RMP might sometimes, depending on the personalized airflow rate, increase the exposure of the others to the exhaled droplets of tracer gas, 0.8 μm particles, and 5 μm particles from the infected occupants. Application of PV could reduce R(C) for all the three TV systems of 0.8 μm and 5 μm particles. PV enhanced mixing degree of particles under DV and UFAD based conditions much stronger than under MV based ones. PV could increase the average concentration in the occupied zone of the exposed manikin as well as provide clean personalized airflow. Whether inhaled air quality could be improved depended on the balance of pros and cons of PV.
has issue date	2010-08-18(xsd:dateTime)
bibo:doi	10.1016/j.buildenv.2010.08.003
bibo:pmid	32288015
has license	no-cc
sha1sum (hex)	0c4bc10401c2c39f1a8afa70aa350323adc2b1d6
schema:url	https://doi.org/10.1016/j.buildenv.2010.08.003
resource representing a document's title	CFD study of exhaled droplet transmission between occupants under different ventilation strategies in a typical office room
has PubMed Central identifier	PMC7119025
has PubMed identifier	32288015
schema:publication	Build Environ
resource representing a document's body	covid:0c4bc10401c2c39f1a8afa70aa350323adc2b1d6#body_text
is schema:about of	named entity 'movable' named entity 'opened' named entity 'UFAD' named entity 'improved' named entity 'OFFICE' named entity 'PERSONALIZED' named entity 'DEGREE' named entity 'CONCENTRATIONS' named entity 'BEST' named entity 'SYSTEM' named entity 'RESPIRATORY' named entity 'PROTECTING' named entity 'STRATEGIES' named entity '5 MM' named entity 'PANEL' named entity 'EXPOSURE' named entity 'VENTILATION SYSTEMS' named entity 'DIFFERENT' named entity 'AIR QUALITY' named entity 'BACKGROUND' named entity 'TRANSMISSION' named entity 'PROS AND CONS' named entity 'CONCERN' named entity 'INTAKE' named entity 'CONCENTRATION' named entity 'VENTILATED' named entity 'USING' named entity 'PERFORMED' named entity 'GAS' named entity 'MIXING' named entity 'EXHALED' named entity 'PAPER' named entity 'INTRODUCED' named entity 'SEATED' named entity 'RATE' named entity 'TYPE' named entity 'METHODS' named entity 'ZONE' named entity 'PARTICLES' named entity 'OPENED' named entity 'SYSTEMS' named entity 'AIR' named entity 'APPLICATION' named entity 'FLOOR' named entity 'EVALUATE' named entity 'PERFORMANCE' named entity 'INCREASE' named entity 'INDEX' named entity 'CONDITIONS' named entity 'INDEXES' named entity 'PROVIDE' named entity 'REDUCE' named entity 'INVESTIGATED' named entity 'RMP' named entity 'EXPOSED' named entity 'DISTRIBUTION' named entity 'FRACTION' named entity 'BALANCE' named entity 'INFECTED' named entity 'POLLUTANTS' named entity 'BASED' named entity 'DISPLACEMENT' named entity 'IMPROVED' named entity 'AIRFLOW' named entity 'ROUND' named entity '0.8' named entity 'AVERAGE CONCENTRATION' named entity 'COULD BE' named entity 'ROOM' named entity 'DEVICE' named entity 'MANIKIN' named entity 'DIAMETERS' named entity 'FOUND' named entity 'MUCH' named entity 'TOTAL VOLUME' named entity 'VENTILATION' named entity 'ENHANCED'

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