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A Study on the exhaust gas characteristics of the vehicle gasoline according to the ambient temperature
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 Title & Authors
A Study on the exhaust gas characteristics of the vehicle gasoline according to the ambient temperature
Lim, Jae-Hyuk; Kim, Ki-Ho; Kim, Sung-Woo; Lee, Min-Ho; Oh, Sang-Gi;
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Korea is the geographic location during the summer, the temperature rising to and winter temperature is to reduce the air temperature changes, such as relatively large compared to other countries. This increase or decrease of the harmful exhaust gas discharged from automobile substantially inconvenience a significant impact on the active side of the car engine temperature and exhaust gas reducing device receives a large impact on the atmospheric temperature is regulation to be different. However, domestic vehicle emissions test temperature of is it does not reflect this situation the actual test temperature to accurately measure the exhaust gas volume of the vehicle is difficult. In this study, domestic automobile exhaust gas test conditions of a test temperature various temperatures, including (35, 25, 0, -7, -15, ) under the two vehicles (2.0L MPI, 2.4 L GDI) as was discussed with respect to the exhaust gas characteristics of the vehicle according to the ambient temperature gas. As a result, domestic emissions test temperature of than average conditions were temperature decreases greenhouse gas emissions and increase overall increased by up to 15 times higher. Air temperature and the engine exhaust gas inconvenience a direct effect on the activation temperature required in the reduction unit is determined to be an increase of emissions and greenhouse gases, and also an increase in the variety of lubricants based lubricating and viscosity reduction, such as the engine oil due to the low temperature of these result It is considered that shows the.
Ambient temperature;Emission;Greenhouse gas;
 Cited by
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