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Coupling of CHEMKIN and MATLAB for HCCI combustion application
KTH, Superseded Departments, Chemical Engineering and Technology.
KTH, Superseded Departments, Chemical Engineering and Technology.
KTH, Superseded Departments, Chemical Engineering and Technology.
2004 (English)In: International Symposium on Combustion, Abstracts of Works-in-Progress Posters, 2004Conference paper, Published paper (Refereed)
Abstract [en]

In Homogeneous Charge Compression Ignition (HCCI) engine applications a mixture of fuel and oxidizer is compressed in an engine cylinder until self-ignition occurs. Since no flame propagation or fuel-rich regions exists no soot will form and in-cylinder temperatures will be rather low leading to very low NOx emissions. Another benefit is a high, diesel like, efficiency. The problems will HCCI combustion are mainly high hydrocarbon and CO emissions, high peak pressures, control difficulties, etc. A possible way to utilize the benefits is to use a dual mode engine that works in HCCI mode at low and medium loads and in diesel mode at high loads. A way to link CHEMKIN III to the MATLAB environment is presented. The coupling between the programs gives MATLAB access to rate of production, enthalpy and specific heat producing subroutines from the CHEMKIN III package. All modeling is done in MATLAB after the link has been established. The coupling is then used to make a HCCI engine model, consisting of three zones, each of uniform temperatures and composition, of each zone, and the inputs are temperatures of the different zones, pressure and composition of the initial fuel/ox load and engine data. Analysis of a mixture of 84% iso-octane and 16% and n-heptane/air HCCI combustion was presented and compared to experimental results. This is an abstract of a paper presented at the 30th International Symposium on Combustion (Chicago, IL 7/25-30/2004).

Place, publisher, year, edition, pages
2004.
Series
International Symposium on Combustion, Abstracts of Works-in-Progress Posters
National Category
Other Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-157783Scopus ID: 2-s2.0-10644259715OAI: oai:DiVA.org:kth-157783DiVA: diva2:771868
Conference
30th International Symposium on Combustion, Abstracts of Works-in-Progress Poster Presentations, 25 July 2004 through 30 July 2004, Chicago, IL
Note

QC 20141215

Available from: 2014-12-15 Created: 2014-12-15 Last updated: 2014-12-15Bibliographically approved

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