Vehicular emissions in roadway tunnels: a critical review

El-Fadel, M. and Hashisho, Z. (2001) Vehicular emissions in roadway tunnels: a critical review Critical Reviews in Environmental Science and Technology, 31, (2), pp. 125-174. (doi:10.1080/20016491089190).


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Traffic-induced emissions are a major source of air pollutants, particularly in urban areas. Adequate characterization and quantification of the contribution of this source depend to a large extent on the use of reliable pollutant emission factors. Recently, in addition to characterizing vehicle-induced pollutants, tunnels have been used to evaluate on-road emission factors. Accurate determination of those factors depends on the reliability of field measurements and the use of appropriate mathematical models to simulate the behavior of pollutants inside a tunnel. Different models, with various degrees of complexity, have been developed to estimate vehicle emission factors, and to simulate the fate and transport of pollutant emissions in tunnels. This article presents a critical review of research work conducted to characterize and simulate vehicle-induced pollutants in tunnels. Air-quality standards in tunnels, tunnel ventilation, and factors affecting pollutant concentration in tunnels with corresponding control measures are first addressed. Limitations and research needs are discussed in the context of the current state of the art in tunnel air-quality modeling.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1080/20016491089190
ISSNs: 1547-6537 (print)
Keywords: vehicle-induced emissions, emission factors, emfac, mobile, dynamometer tests, tunnel air quality: characterization, modeling, ventilation, control measures

ePrint ID: 48121
Date :
Date Event
Date Deposited: 30 Aug 2007
Last Modified: 16 Apr 2017 18:25
Further Information:Google Scholar

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