Vehicle Emission Factors for Particulate and Gaseous Pollutants in an Urban Tunnel in Xi’an, China
المؤلفون المشاركون
Chen, Hong
Zhao, Danting
Shao, Haipeng
Sun, Xiaoke
المصدر
العدد
المجلد 2018، العدد 2018 (31 ديسمبر/كانون الأول 2018)، ص ص. 1-11، 11ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2018-07-10
دولة النشر
مصر
عدد الصفحات
11
التخصصات الرئيسية
الملخص EN
Urban tunnels are generally used to measure traffic-related particles and gas pollutant concentrations.
To understand on-road vehicle emissions and update emission factors (EFs), traffic volume data and emissions of particulate matter smaller than 2.5 µm (PM2.5), carbon monoxide (CO), nitrogen oxides (NOX), hydrocarbon (HC), and volatile organic compounds (VOCs) for mixed vehicles were investigated at the Wenchang Gate-Peace Gate Tunnel in Xi’an over 11 days.
An average fleet of 14,199 vehicles with mean speeds that ranged from 18 km·h−1 to 46 km·h−1 passed through the tunnel during the sampling period each day.
A mass balance model and linear regression analysis were adopted to derive pollutant EFs for mixed vehicles, cars, and taxis, respectively.
The results demonstrated that EFs during the night were higher than those during the day because goods vehicles are only allowed to travel from 22:00 to 07:00.
Averaged EFs of PM2.5, CO, NOX, HC, and VOCs for the total fleet were 0.006 ± 0.005, 1.097 ± 0.398, 0.159 ± 0.092, 0.179 ± 0.089, and 0.317 ± 0.172 g·veh−1·km−1, respectively, lower than those reported from other literatures owing to the strict requirements of emission standards and improvements in vehicle technology.
This method provides an approach to measure the EFs for different types of vehicles in urban traffic and evaluate traffic pollution in distinct areas.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zhao, Danting& Chen, Hong& Shao, Haipeng& Sun, Xiaoke. 2018. Vehicle Emission Factors for Particulate and Gaseous Pollutants in an Urban Tunnel in Xi’an, China. Journal of Chemistry،Vol. 2018, no. 2018, pp.1-11.
https://search.emarefa.net/detail/BIM-1182695
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zhao, Danting…[et al.]. Vehicle Emission Factors for Particulate and Gaseous Pollutants in an Urban Tunnel in Xi’an, China. Journal of Chemistry No. 2018 (2018), pp.1-11.
https://search.emarefa.net/detail/BIM-1182695
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zhao, Danting& Chen, Hong& Shao, Haipeng& Sun, Xiaoke. Vehicle Emission Factors for Particulate and Gaseous Pollutants in an Urban Tunnel in Xi’an, China. Journal of Chemistry. 2018. Vol. 2018, no. 2018, pp.1-11.
https://search.emarefa.net/detail/BIM-1182695
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1182695
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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