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- Title
A numerical analysis of the effects of a stratified pre-mixture on homogeneous charge compression ignition combustion.
- Authors
Jamsran, Narankhuu; Lim, Ock
- Abstract
We investigated the efficacy of fuel stratification in a pre-mixture of dimethyl ether (DME) and n-butane, which have different autoignition characteristics, for reducing the pressure rise rate (PRR) of homogeneous charge compression ignition engines. A new chemical reaction model was created by mixing DME and n-butane and compared with existing chemical reaction models to verify the effects observed. The maximum PRR depended on the mixture ratio. When DME was charged with stratification and n-butane was charged with homogeneity, the maximum PRR was the lowest among all the mixtures studied. Calculations were performed using CHEMKIN and modified using SENKIN software.
- Subjects
NUMERICAL analysis; COMBUSTION; METHYL ether; BUTANE; CHEMICAL reactions; MIXTURES
- Publication
Journal of Mechanical Science & Technology, 2012, Vol 26, Issue 6, p1929
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-012-0405-8