Detailed chemical kinetic modeling of diesel combustion with oxygenated fuels
Conference
·
OSTI ID:15190
The influence of oxygenated hydrocarbons as additives to diesel fuels on ignition, NOx emissions and soot production has been examined using a detailed chemical kinetic reaction mechanism. N-heptane was used as a representative diesel fuel, and methanol, ethanol, dimethyl ether and dimethoxymethane were used as oxygenated fuel additives. It was found that addition of oxygenated hydrocarbons reduced NOx levels and reduced the production of soot precursors. When the overall oxygen content in the fuel reached approximately 25% by mass, production of soot precursors fell effectively to zero, in agreement with experimental studies. The kinetic factors responsible for these observations are discussed.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EE) (US)
- DOE Contract Number:
- W-7405-Eng-48
- OSTI ID:
- 15190
- Report Number(s):
- UCRL-JC-135216; EE0201000; TRN: US200221%%438
- Resource Relation:
- Conference: 1999 Fall Technical Meeting of the Western State of the Combustion Institute University of California, Irvine, CA (US), 10/25/1999--10/26/1999; Other Information: PBD: 28 Oct 1999
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:15190