ارزیابی تاثیر وسایل نقلیه سنگین بر جریان ترافیک و میزان انتشار آلاینده‌های ناشی از آن در شبکه‌های درون شهری با استفاده از شبیه‌سازی ترافیکی

نوع مقاله: علمی - پژوهشی

چکیده

امروزه یکی از مشکلات اصلی کلان‌شهر‌ها افزایش شدید آلودگی هوا است. جریان ترافیک نیز مهم ترین عامل افزایش انتشار آلاینده‌های زیست محیطی در مناطق درون شهری به شمار می‌رود، بنابراین مدیریت ترافیک می‌تواند به طور چشمگیری غلظت این آلاینده‌ها را کاهش دهد. با توجه به پیچیدگی رابطه بین جریان ترافیک و  انتشار آلاینده‌ها، استفاده از  شبیه‌سازی ترافیکی به منظور برآورد میزان انتشار آلاینده‌ها از جریان ترافیک ضروری به نظر می‌رسد. این مقاله به بررسی وضعیت جریان ترافیک و آلودگی هوای یک شبکه ترافیکی تحت تاثیر وسایل نقلیه سنگین می‌پردازد. شبکه مورد مطالعه این پژوهش قسمتی از منطقه 7 شهرداری تهران است. شبکه مورد مطالعه با استفاده از نرم افزار  AIMSUNشبیه سازی شده و میزانانتشار آلاینده‌های مختلف، زمان تأخیر، زمان توقف و میانگین سرعت جریان ترافیک تحت حضور وسایل نقلیه سنگین مورد ارزیابی قرار می‌گیرد. از جمله نتایج این تحقیق می‌توان به افزایش 11 و 12 درصدی غلظت آلاینده‌های  و  و21 درصدی نرخ زمان توقف در شبکه تحت حضور وسایل نقلیه سنگین اشاره کرد.

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