All major cities in India are facing severe environmental threats in the form of extremely higher levels of CO2, CO, HC, and NOx. Vehicular emissions are one of the major contributors to these pollution levels. To estimate the impact of traffic on urban air quality, it is necessary to measure vehicular emissions. The driving cycle (DC) is one of the critical components of various vehicle emission estimation procedures. Heterogeneous traffic conditions in India make researchers focus on case-specific and class-specific driving cycles for the estimation of emissions. In this regard, the study proposed a methodology to develop a real-world driving cycle (RWDC) for passenger cars and estimating emissions based on the driving cycle. Three routes in Hyderabad city are selected as a study area. The on-board measurement technique was used for the data collection, and Racelogic PBox is used for the same. Micro-trip analysis was done for constructing a real-world driving cycle. A comprehensive modal emission model (CMEM) was used to estimate CO, HC, and NOx emissions from passenger cars using their corresponding driving cycles. The total duration of the RWDC obtained for a passenger car is 2277 s. The fuel consumption rate obtained from the data is 110 g/km. The study needs to be extended to other vehicle classes for accurate estimation of emissions in the study area or region.
Emission Modelling of Passenger Cars in India: A Case of Hyderabad City
Lecture Notes in Civil Engineering
Proceedings of the Fifth International Conference of Transportation Research Group of India ; Kapitel : 24 ; 343-351
22.04.2022
9 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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