چکیده مقاله
Freight and passenger transport accounts for approximately one third of total transport greenhouse gas emissions Emissions from vehicles need to be accurately estimated to ensure that the air quality management is implemented appropriately At present, Pakistan is lack in proper measurement and estimation of vehicular emissions This study provides a framework for development of GHG emissions inventory This research aims at identification of procedures for estimation and monitoring of GHGs on road emissions, identification of significant pollutants from tailpipe emissions of diesel based freight transport and to develop a relationship between vehicular emissions and speed Emission data from four diesel buses were collected in Karachi On road measurements of vehicle emissions were acquired by using a portable instrument IMR 2800 Exhaust emissions oxides of nitrogen NOx and carbon dioxide CO2 have been reported in this study Statistical analysis provided that both pollutants have non linear relationship with the vehicle speed Tailpipe emission rate initially decreases with the increase in speed and then after reaching at the optimum speed,NOx and CO2concentration increases with increase in speed The methodology developed may be utilized for in depth analysis of GHG emissions from diesel based freight transport which contributes large portion of urban and infrastructure traffic
کلیدواژهها
نویسندگان
Shabbar Ali
Prof and Dean faculty of Civil and Petroleum Engineering, NED University of Engineering & Technology
Karam-un-Nisa Choudhary
NED University of Engineering and Technology
Afzal Ahmed
Assistant Professor, NED University of Engineering and Technology
Syeda Ofaq Zaidi
Research Assistant, NED University of Engineering and Technology
شیوه ارجاع
Ali, Shabbar and Choudhary, Karam-un-Nisa and Ahmed, Afzal and Ofaq Zaidi, Syeda,1398,Estimation of GHG Emissions from Diesel-based Freight Transport,The 18th International Conference on Traffic and Transportation Engineering,Tehran
ارائهشده در
مجموعه مقالات هجدهمین کنفرانس بین المللی مهندسی حمل و نقل و ترافیک6 اسفند 1398 · تهران