Emissions Reduction Potential of Extremely High Boost and High EGR Rate for an HSDI Diesel Engine and the Reduction Mechanisms of Exhaust Emissions

2008 ◽  
Vol 1 (1) ◽  
pp. 611-623 ◽  
Author(s):  
Yoshifumi Wakisaka ◽  
Yoshihiro Hotta ◽  
Minaji Inayoshi ◽  
Kiyomi Nakakita ◽  
Ichiro Sakata ◽  
...  
Author(s):  
F. Maroteaux ◽  
G. Descombes ◽  
F. Sauton

Abstract This research investigates engine performance and the potential of reducing exhaust emissions by using Dimethyl Ether (DME) which is an alternative fuel for diesel engines. The objective of this study it to evaluate (on the bed test) the performance and emissions reduction potential of an engine running with DME. A 4 cylinder passenger car HSDI Common Rail turbocharged diesel engine without specific modifications was used. The results obtained on this engine running with DME using diesel fuel as reference are encouraging. In the next steps of this study the injection rate will be adapted to DME operation and to the geometric and thermodynamic conditions of the combustion reaction. A study of the combustion reaction is also necessary in order to optimize the turbocharging system to exclusive DME operation.


2004 ◽  
Vol 2004.3 (0) ◽  
pp. 137-138
Author(s):  
Yuzo AOYGI ◽  
Hideaki OSADA ◽  
Masahiro MISAWA ◽  
Tomoaki HIROSAWA ◽  
Matsuo ODAKA ◽  
...  

2005 ◽  
Author(s):  
Yoshihiro Hotta ◽  
Minaji Inayoshi ◽  
Kiyomi Nakakita ◽  
Kiyoshi Fujiwara ◽  
Ichiro Sakata

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