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Applicability of Various EGR Strategies in Multi-Cylinder Diesel Engine (Second Report)~Effect of GTL Fuel on Emission Characteristics
Published October 01, 2007 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Autumn Conference
The effect of GTL (Gas to Liquids) fuel on emission characteristics under steady-state conditions was studied using a 4-cylinder diesel engine. Soot, CO and THC of the GTL fuel were lower than those of diesel fuel. Then, emission improvement was tried with increasing a high pressure loop (HPL)-EGR rate. A low pressure loop (LPL)-EGR was also introduced to improve further emissions. Both EGR systems could take advantages of GTL fuel characteristics and had possibility of reducing NOx with keeping the same soot level as diesel fuel. The LPL-EGR was effective at middle to high load, while HPL-EGR was effective at low load with less penalty of BSEC.
- Hajime Ishii - National Traffic Safety and Environment Laboratory
- Daisuke Kawano - National Traffic Safety and Environment Laboratory
- Hisakazu Suzuki - National Traffic Safety and Environment Laboratory
- Yuichi Goto - National Traffic Safety and Environment Laboratory
- Atsushi Kaneko - Waseda Univ.
- Ryo Komiya - Waseda Univ.
- Yusuke Adachi - Waseda Univ.
- Yutaka Murata - Waseda Univ.
- Jin Kusaka - Waseda Univ.
- Yasuhiro Daisho - Waseda Univ.