About: Experimental and numerical investigation of micro-environmental conditions in public transportation buses

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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	Experimental and numerical investigation of micro-environmental conditions in public transportation buses
Creator	Demokritou, Philip Zhu, Shengwei Spengler, John
Source	Elsevier; Medline; PMC
abstract	This study examines both numerically and experimentally the micro-environmental conditions in public transportation buses. A Computational Fluid Dynamics (CFD) model was developed and experimentally validated. The developed CFD model was used to calculate the spatial distributions of the mean age and mean residual lifetime of air in the bus environment and evaluate the efficiency of the bus ventilation system. Additionally, the passengers’ exposures to a variety of environmental conditions were experimentally monitored in “real world” field campaigns using the Harvard University shuttle bus system. Real time continuous monitoring systems were used to assess indoor environmental quality in the buses. It was found that CO levels were very low, while the levels of particulate matter varied and were influenced by the ambient air penetrated into the bus through the operation of the doors and the ventilation system. The CO(2) level was found elevated and greatly affected by occupancy conditions. The elevated CO(2) level indicates that the current bus ventilation is insufficient to dilute air pollutants in the bus especially under heavy occupancy conditions. This lack of sufficient ventilation indicates an elevated risk for airborne transmitted diseases in such a popular public transportation system.
has issue date	2010-03-17(xsd:dateTime)
bibo:doi	10.1016/j.buildenv.2010.03.004
bibo:pmid	32288006
has license	no-cc
sha1sum (hex)	1484ce1aef99cbc619c270a1280a97f1aed00bc9
schema:url	https://doi.org/10.1016/j.buildenv.2010.03.004
resource representing a document's title	Experimental and numerical investigation of micro-environmental conditions in public transportation buses
has PubMed Central identifier	PMC7125921
has PubMed identifier	32288006
schema:publication	Build Environ
resource representing a document's body	covid:1484ce1aef99cbc619c270a1280a97f1aed00bc9#body_text
is schema:about of	named entity 'experimentally' named entity 'penetrated' named entity 'doors' named entity 'quality' named entity 'CFD' named entity 'buses' named entity 'CONDITIONS' named entity 'EXPERIMENTAL' named entity 'ENVIRONMENTAL' named entity 'CONDITIONS' named entity 'VERY LOW' named entity 'HEAVY' named entity 'FOUND' named entity 'MONITORING SYSTEMS' named entity 'ENVIRONMENT' named entity 'LIFETIME' named entity 'VALIDATED' named entity 'DISEASES' named entity 'SHUTTLE' named entity 'BUS' named entity 'DILUTE' named entity 'INDOOR' named entity 'ELEVATED' named entity 'UNIVERSITY' named entity '2 LEVEL' named entity 'BUSES' named entity 'GREATLY' named entity 'VENTILATION SYSTEM' named entity 'LEVELS' named entity 'ASSESS' named entity 'USING' named entity 'CFD MODEL' named entity 'AIRBORNE' named entity 'AFFECTED' named entity 'STUDY' named entity 'RESIDUAL' named entity 'TRANSMITTED' named entity 'SUFFICIENT VENTILATION' named entity 'REAL TIME' named entity 'MICRO-' named entity 'OPERATION' named entity 'DOORS' named entity 'INVESTIGATION' named entity 'PUBLIC TRANSPORTATION' named entity 'NUMERICAL' named entity 'BUSES' named entity 'EVALUATE' named entity 'INSUFFICIENT' named entity 'DISTRIBUTIONS' named entity 'MICRO-' named entity 'SYSTEM' named entity 'OCCUPANCY' named entity 'MONITORED' named entity 'EXPOSURES' named entity 'WORLD' named entity 'PENETRATED' named entity 'MEAN' named entity 'RISK' named entity 'QUALITY' named entity 'VENTILATION' named entity 'PUBLIC TRANSPORTATION' named entity 'MODEL' named entity 'AGE' named entity 'LACK' named entity 'PASSENGERS' named entity 'TO CALCULATE' named entity 'CONTINUOUS' named entity 'AIR' named entity 'CURRENT' named entity 'EFFICIENCY' named entity 'VARIETY' named entity 'USED' named entity 'PARTICULATE MATTER' named entity 'SPATIAL' named entity 'ENVIRONMENTAL' named entity 'FIELD' named entity 'AIR POLLUTANTS' named entity 'COMPUTATIONAL FLUID DYNAMICS' covid:arg/1484ce1aef99cbc619c270a1280a97f1aed00bc9

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