CO2 emission reduction using stratified charge in spark-ignition engines

Cenk Dinc*, Hikmet Arslan, Rafig Mehdiyev

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3 Atıf (Scopus)

Özet

According to the proposal of the European Commission, the average CO 2 emission of passenger cars will be limited to 120 g/km by the end of 2012. Decreasing the CO2 emissions is possible only with the decrease of fuel consumption, and this can be achieved most effectively by operating the engine with the stratified charge principle. With the aid of a thermodynamic internal combustion (IC) engine model, it is seen that stratified charge engines have the potential to attain a reduction in CO2 emissions up to 19%, by using higher rates of stratification and higher compression ratios. In this context, a stratified charge engine having a unique twin swirl combustion chamber operating with a two-stage combustion mechanism is presented. A 1.6 L 8v single-point injection test engine has been analyzed to compare the power output and specific fuel consumption values of a conventional gasoline engine with a stratified charge engine having a twin swirl combustion chamber. The results show that, when stratified charge is used, specific fuel consumption decreases significantly, which leads to a reduction in CO 2 emission. Moreover, this combustion mechanism does not require high fuel injection pressures and can be applied easily on current production engines, without significant modification.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)1781-1785
Sayfa sayısı5
DergiEnergy and Fuels
Hacim23
Basın numarası4
DOI'lar
Yayın durumuYayınlandı - 16 Nis 2009

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