Emission characteristics of a spark-ignition engine fuelled with gasoline-n-butanol blends in combination with EGR
作者： Xiaolei Gu , Zuohua Huang , Jian Cai , Jing Gong , Xuesong Wu
DOI: 10.1016/J.FUEL.2011.11.040
关键词:
摘要: An experimental study was conducted in a port fuel-injection, spark-ignition engine fuelled with blends of gasoline and n-butanol at different spark timings EGR rates. The effect timing, blend ratio rate on the emission characteristics (unburned hydrocarbon (HC), carbon monoxide (CO), nitrogen oxide (NOx) particulate size distribution) analyzed. BSFC (Brake specific fuel consumption) MBT (maximum brake torque timing) full load were also discussed. Results show that decrease HC, CO NOx emissions compared to those gasoline. Pure increases HC decreases particle number concentration n-Butanol addition can Advancing timing while it emissions. reduce simultaneously fueled blends.
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