نوع مقاله : مقاله پژوهشی
نویسندگان
1 کارشناس ارشد، مهندسی محیطزیست (آلودگی هوا)، دانشکده محیطزیست، پردیس دانشکدههای فنی، دانشگاه تهران
2 استادیار، مهندسی محیطزیست (آلودگی هوا)، دانشکده محیطزیست، پردیس دانشکدههای فنی، دانشگاه تهران
3 دانشیار، مهندسی محیطزیست (آلودگی هوا)، دانشکده محیطزیست، پردیس دانشکدههای فنی، دانشگاه تهران
4 استادیار، برنامه‌ریزی حمل و نقل، دانشکده مهندسی عمران و محیطزیست، دانشگاه صنعتی امیرکبیر
چکیده
کلیدواژه‌ها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
Achieving the lowest emission rate of urban air pollutants, requires an effective management of mobile air polluting sources. To address this type of management, not only high quality vehicles should be recruited but also the quality of transportation such as amount, slope, and traffic patterns (i.e., steady vs. interrupted flow) should be considered. Therefore, a number of methods are emerged to control the steadiness of traffic flow through traffic network instruments such as traffic lights or ramp metering schemes. In this study, attempts have been made to model a steady traffic flow on the Sadr Overpass to mitigate the least air pollutants production Modeling the optimized traffic volume entering and leaving the ramps whilst maintaining an acceptable service level using a mathematical linear programming technique is presented. Furthermore, a simulation has been conducted using an IVE model to estimate the amount of emissions. The results indicate that temporary closure of ramps in the east-west direction could lead to a steady flowrate on the overpass which decreases the amount of CO and NOx by %54 and %25, respectively. Similarly, in the West-East direction, deploying a cyclic monitoring of traffic flow in the ramp discharging into Modarres Expressway, results in reduction of CO and NOX by %42 and %41, respectively.
کلیدواژه‌ها [English]
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