An Experimental and Kinetic Modeling Study of Methyl Decanoate Combustion

Sarathy, S M; Thomson, M J; Pitz, W J; Lu, T

doi:10.1016/j.proci.2010.06.058

An Experimental and Kinetic Modeling Study of Methyl Decanoate Combustion

Conference · Thu Feb 18 23:00:00 EST 2010

DOI:https://doi.org/10.1016/j.proci.2010.06.058· OSTI ID:975220

Sarathy, S M; Thomson, M J; Pitz, W J; Lu, T

Biodiesel is typically a mixture of long chain fatty acid methyl esters for use in compression ignition engines. Improving biofuel engine performance requires understanding its fundamental combustion properties and the pathways of combustion. This research study presents new combustion data for methyl decanoate in an opposed-flow diffusion flame. An improved detailed chemical kinetic model for methyl decanoate combustion is developed, which serves as the basis for deriving a skeletal mechanism via the direct relation graph method. The novel skeletal mechanism consists of 648 species and 2998 reactions. This mechanism well predicts the methyl decanoate opposed-flow diffusion flame data. The results from the flame simulations indicate that methyl decanoate is consumed via abstraction of hydrogen atoms to produce fuel radicals, which lead to the production of alkenes. The ester moiety in methyl decanoate leads to the formation of low molecular weight oxygenated compounds such as carbon monoxide, formaldehyde, and ketene.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA

Sponsoring Organization:: USDOE

DOE Contract Number:: W-7405-ENG-48

OSTI ID:: 975220

Report Number(s):: LLNL-CONF-424403

Country of Publication:: United States

Language:: English

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An Experimental and Kinetic Modeling Study of Methyl Decanoate Combustion

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