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Numerical Studies on the Effect of Fuel Properties on Diesel Combustion and Exhaust Emissions Characteristics
Technical Paper
2012-08-0475
Sector:
Language:
Japanese
Abstract
The effect of fuel properties on diesel combustion and exhaust emissions characteristics were investigated by using Computational Fluid Dynamics which includes detailed elementary reaction processes. Chemical effects are examined by increasing the content of aromatic components and physical effects are done by deactivating the evaporation characteristics. As a result, the soot formed is increased with the increase of aromatic component up to 40% at constant physical properties. When evaporation properties were deteriorated by replacing original physical properties with those of higher HCs, soot emission was decreased due to longer ignition delay time.
Authors
- Takayoshi Kodama - Waseda Univ.
- Takao Nakayama - Waseda Univ.
- Jin Kusaka - Waseda Univ.
- Yoshinori Isii - Isuzu Advanced Research Engineering Center
- Naoki Shimazaki - Isuzu Advanced Research Engineering Center
- Hideyuki Mimata - Research Center of Computational Mechanics
- Takashi Sasaki - Research Center of Computational Mechanics