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Lookup NU author(s): Professor Margaret Carol Bell CBE
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Exhaust emissions were measured under real-world urban driving conditions using a set of in-vehicle FTIR emission measurement system, which is able to measure 65 emission components simultaneously at a rate of 0.5 Hz. The test vehicle was a EURO 2 emission-compliant SI car equipped with real-time fuel consumption measurement and temperature measurement along the exhaust pipe across the catalyst allowing the matching of thermal characteristics to emission profiles and monitor fuel consumption. The temperature profile indicated that the light-off of the catalyst took about 150\mA200 seconds. The warm-up of the lubricating oil and coolant water required a longer time than the catalyst did. The impact of ambient temperatures on lubricating oil and coolant water warm-ups was greater than that on the light-off of the catalyst. The heat loss and energy balance were calculated during the whole cycle period. The influence of cold start on fuel consumption was investigated. The exhaust emissions were also investigated as a function of warm-up time and temperature.
Author(s): Li H, Andrews GE, Daham BK, Bell MC, Tate JE, Ropkins K
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: SAE World Congress: Emission: Measurement, Testing and Modeling
Year of Conference: 2006
Notes: SAE Book SP-2024
Paper Number: 2006-01-1080
Library holdings: Search Newcastle University Library for this item
Series Title: SAE Technical Paper Series