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Chemical Kinetic Investigations of Ignition and Combustion Phenomena in a DI Diesel Engine Fueled with Methanol. (Ignition Characteristics of Methanol Mixture)
- Source :
- JSME International Journal Series B. 40:432-438
- Publication Year :
- 1997
- Publisher :
- Japan Society of Mechanical Engineers, 1997.
-
Abstract
- A methanol-fueled direct-injection diesel engine with a glow-assisted ignition system tends to suffer from poor ignitability under low load conditions. Chemical delay phenomena associated with methanol mixture ignition were investigated to improve ignitability. The effects of the vaporization heat of liquid methanol, the surface temperature of the glow-plug, the heat created by the glow-plug and the O2 excess ratio of methanol-air mixtures on the ignition characteristics were examined. Our numerical model considers these parameters, and a detailed chemical kinetic scheme, including 39 chemical species and 157 elementary reactions, was used to predict the delay in methanol mixture ignition.
- Subjects :
- Fluid Flow and Transfer Processes
Materials science
Waste management
Mechanical Engineering
Homogeneous charge compression ignition
Kinetic scheme
Thermodynamics
Combustion
Diesel engine
law.invention
Ignition system
chemistry.chemical_compound
Minimum ignition energy
chemistry
Physics::Plasma Physics
Carbureted compression ignition model engine
law
Methanol
Physics::Chemical Physics
Physical and Theoretical Chemistry
Astrophysics::Galaxy Astrophysics
Subjects
Details
- ISSN :
- 13475371 and 13408054
- Volume :
- 40
- Database :
- OpenAIRE
- Journal :
- JSME International Journal Series B
- Accession number :
- edsair.doi...........63436f8995ac28cf4f0064d0b1a5bb82
- Full Text :
- https://doi.org/10.1299/jsmeb.40.432