Carbon Dioxide Potential Reduction Using Start-Stop System in a Car

Operating fuel consumption increases significantly when the vehicle stops frequently while driving or when the engine is idling during braking. In such cases, the internal combustion engine consumes the fuel but the mechanical energy is not used by the drive system. The amount of fuel that is consum...

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Bibliographic Details
Published in:Key engineering materials 2013-12, Vol.597, p.185-192
Main Authors: Kneba, Zbigniew, Kropiwnicki, Jacek
Format: Article
Language:English
Subjects:
Automobiles
Automotive engineering
Carbon dioxide
Control systems
Emissions control
Fuel consumption
Mathematical models
Reduction
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Summary:Operating fuel consumption increases significantly when the vehicle stops frequently while driving or when the engine is idling during braking. In such cases, the internal combustion engine consumes the fuel but the mechanical energy is not used by the drive system. The amount of fuel that is consumed in this time by the engine can potentially be saved if the car is equipped with a Stop-Start system. Start-Stop system automatically shuts down and restarts the internal combustion engine due to strategy used by controller reducing this way toxic compounds emissions in exhaust gasses and the fuel consumption, which is directly connected to carbon dioxide (CO2) emissions. The paper presents an analysis of the potential reduction in CO2 emissions for selected vehicles with Start-Stop system during operation in selected urban agglomeration using different strategies to control this system. The study was carried out using numerical models of propulsion systems. The results were compared with the statistical data derived from regular use of vehicles equipped with such a system.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.597.185