이륜자동차의 대기오염물질 배출계수 산정을 위한 연구 (Estimation of Air Pollutant Emission Factors for Motorcycle)

서지정보

· 발행기관 : 한국대기환경학회
· 수록지 정보 : 한국대기환경학회지 / 26권 / 1호 / 69 ~ 76페이지
· 저자명 : 임재현, 김현민, 이상문, 강희준, 임윤성, 서충열, 김종춘

초록

While increased use of motor cycles in the recent years for various demands could worsen air quality, only few studies have been conducted on estimation of emission factors and characterization of emissions from motorcycle.
In this study, emissions from selected six models of motorcycle based on largest market share and production rate were investigated. To investigate gaseous and carbonaceous air pollutants, such as carbon monoxide (CO), total hydrocarbon (THC), nitrogen oxide (NOx), elemental carbon (EC) and organic carbon (OC), total 124 motorcycles between 2003 and 2007 model year were tested with regulatory driving conditions, such as CVS-40 and CVS-47mode. These motorcycles were further sub-categorized based on their displacement (⁄50 cc, 50~150 cc, and ›150 cc), type of stroke (2- and 4 strokes) and model year (2003~2005 and 2006~2007).
Tested motorcycles with recent model year (2006~2007) exhibited less emissions of regulatory gaseous and carbonaceous air pollutants compared to old model year (2003~2005). Chemical analysis showed that CO present in highest concentration followed by THC and NOx for all tested motorcycles. Interestingly, two strokes motorcycle produced higher THC emission but less CO and NOx than those of four strokes. For all types of displacement and stroke, emission factors (gram per kilometer) of THC and CO except NOx with recent model year (2006~2007)showed decreased trend compared to old model year (2003~2005). In addition to this, due to mixed combustion between gasoline fuel and lubricant, two strokes motorcycle showed OC>EC emission trend.

영어초록

While increased use of motor cycles in the recent years for various demands could worsen air quality, only few studies have been conducted on estimation of emission factors and characterization of emissions from motorcycle.
In this study, emissions from selected six models of motorcycle based on largest market share and production rate were investigated. To investigate gaseous and carbonaceous air pollutants, such as carbon monoxide (CO), total hydrocarbon (THC), nitrogen oxide (NOx), elemental carbon (EC) and organic carbon (OC), total 124 motorcycles between 2003 and 2007 model year were tested with regulatory driving conditions, such as CVS-40 and CVS-47mode. These motorcycles were further sub-categorized based on their displacement (⁄50 cc, 50~150 cc, and ›150 cc), type of stroke (2- and 4 strokes) and model year (2003~2005 and 2006~2007).
Tested motorcycles with recent model year (2006~2007) exhibited less emissions of regulatory gaseous and carbonaceous air pollutants compared to old model year (2003~2005). Chemical analysis showed that CO present in highest concentration followed by THC and NOx for all tested motorcycles. Interestingly, two strokes motorcycle produced higher THC emission but less CO and NOx than those of four strokes. For all types of displacement and stroke, emission factors (gram per kilometer) of THC and CO except NOx with recent model year (2006~2007)showed decreased trend compared to old model year (2003~2005). In addition to this, due to mixed combustion between gasoline fuel and lubricant, two strokes motorcycle showed OC>EC emission trend.

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