2020
DOI: 10.1155/2020/1686753
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Study on the Annual Reduction Rate of Vehicle Emission Factors for Carbon Monoxide: A Case Study of Urban Road Tunnels in Shenzhen, China

Abstract: Environmental pollution and energy conservation in urban tunnels have become important issues that affect the scientific design and sustainable development of urban tunnels. The carbon monoxide (CO) concentration in urban road tunnels is regarded as a direct reflection and a useful tracer of the intensity of anthropogenic transportation activities. Previous studies in recent years have paid more attention to pollutant emission factors, but less to the calculation parameters of ventilation design for tunnels. T… Show more

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Cited by 2 publications
(1 citation statement)
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“…The incomplete combustion of fuel and the oxidation of hydrocarbons in the atmosphere produce CO. In addition, coal-burning and traffic emissions may both increase the concentration of CO [ 56 ]. In this study, the CO concentration was halved (from 3.297 ± 1.229 ppb to 1.734 ± 1.129 ppb) from 2015 to 2017 in winter, but it was slightly increased (from 0.730 ± 0.170 ppb to 0.905 ± 0.272 ppb) from 2015 to 2017 in summer.…”
Section: Resultsmentioning
confidence: 99%
“…The incomplete combustion of fuel and the oxidation of hydrocarbons in the atmosphere produce CO. In addition, coal-burning and traffic emissions may both increase the concentration of CO [ 56 ]. In this study, the CO concentration was halved (from 3.297 ± 1.229 ppb to 1.734 ± 1.129 ppb) from 2015 to 2017 in winter, but it was slightly increased (from 0.730 ± 0.170 ppb to 0.905 ± 0.272 ppb) from 2015 to 2017 in summer.…”
Section: Resultsmentioning
confidence: 99%