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http://dx.doi.org/10.15435/JILASSKR.2018.23.3.122

Effects on CO2 and NOx Emissions at Real Driving Condition in the Passenger Car using Gasoline Fuel with Various Engine Displacements  

Lee, Jongtae (국립환경과학원 교통환경연구소)
Kim, Hyung Jun (국립환경과학원 교통환경연구소)
Lim, Yun Sung (국립환경과학원 교통환경연구소)
Yun, Chang Wan (국립환경과학원 교통환경연구소)
Keel, Ji Hoon (국립환경과학원 교통환경연구소)
Hong, You Deug (국립환경과학원 교통환경연구소)
Publication Information
Journal of ILASS-Korea / v.23, no.3, 2018 , pp. 122-127 More about this Journal
Abstract
Recently, registrated passenger cars have increased and were close about seventy million at the end 2017 year in Korea. Among the passenger car using gasoline fuel make up forty six percentage of total registrated vehicles. In this study, investigation on real driving emission characteristics in the passenger car using gasoline fuel with various engine displacements were carried out. The real driving emission characteristics were measured and analyzed by using PEMS (Portable Emission Measurement System). PEMS was composed of gas analyzer, emission flow meter and sample conditioning system et al. Also, test six vehicles were selected to the gasoline passenger car with engine displacement from 1.6L to 3.7L. Two test routes with engine start of cold and hot conditions were applied to analyze the emission characteristics of RDE, respectively. The results show that the $CO_2$ emission have a increasing trend as the engine displacement and vehicle weight. Also, it is guessed that the $CO_2$ emission and vehicle weight were more correlated than the engine displacements. On the other hand, NOx emissions of RDE have not increasing or decreasing tendency according engine displacements or vehicle weight because the activation of three-way catalyst in the gasoline vehicles.
Keywords
Real driving emission characteristics; Passenger car; Gasoline; Engine displacement;
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