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Exhaust Gas Emission and Particulate Matter (PM) from Gasoline, LPG and Diesel Vehicle Using Different Engine Oil
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 Title & Authors
Exhaust Gas Emission and Particulate Matter (PM) from Gasoline, LPG and Diesel Vehicle Using Different Engine Oil
Jang, Jinyoung; Lee, Youngjae; Kwon, Ohseok; Woo, Youngmin; Cho, Chongpyo; Kim, Gangchul; Pyo, Youngdug; Lee, Minseob;
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This study effect of engine oils on regulated fuel economy and emissions including particulate matter (PM) to provide basic data for management of engine oil in vehicles. Three engine oils (Group III base oil, Group III genuine oil with additive package and synthetic oil with poly alpha olefins (PAOs)) were used in one gasoline, one LPG(liquefied petroleum gas) and two diesel vehicles. In the case of diesel vehicles, one is a diesel vehicle without DPF (diesel particulate filter) other is a diesel vehicle with DPF. In this study, the US EPA emission test cycle FTP-75, representing city driving, was used. HORIBA, PIERBURG, and AVL gas analyzers were used to measure the fuel economy and regulated emissions such as CO, NOx, and THC. The number of PM was measured using a PPS (pegasor particle sensor). And, the shape of PMs was analyzed by SEM (scanning electron microscope). The effects of oil type on fuel economy, exhaust gas, and PM were not significant because engine oil consumption by evaporation and combustion in the cylinder is very tiny. Fuel and vehicle type were dominant factors in fuel economy and emissions. HC emission from gasoline vehicles was higher than that from other vehicles and NOx emission from diesel vehicles was higher than that from other vehicles. The number of PM was not affected by the engine oil, but by the driving pattern and fuel. The shapes of the PM, sampled from each vehicle using any test engine oil, were similar.
Engine oil;Fuel economy;Exhaust emissions;Particulate matter;Vehicle;Chassis dynamometer;
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