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A further experimental and modeling study of acetaldehyde combustion kinetics

Author(s): Tao, T; Kang, S; Sun, W; Wang, J; Liao, H; et al

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dc.contributor.authorTao, T-
dc.contributor.authorKang, S-
dc.contributor.authorSun, W-
dc.contributor.authorWang, J-
dc.contributor.authorLiao, H-
dc.contributor.authorMoshammer, K-
dc.contributor.authorHansen, N-
dc.contributor.authorLaw, Chung K-
dc.contributor.authorYang, B-
dc.identifier.citationTao, T, Kang, S, Sun, W, Wang, J, Liao, H, Moshammer, K, Hansen, N, Law, CK, Yang, B. (2018). A further experimental and modeling study of acetaldehyde combustion kinetics. Combustion and Flame, 196 (337 - 350. doi:10.1016/j.combustflame.2018.06.007en_US
dc.description.abstractAcetaldehyde is an important intermediate and a toxic emission in the combustion of fuels, especially for biofuels. To better understand its combustion characteristics, a detailed chemical kinetic model describing the oxidation of acetaldehyde has been developed and comprehensively validated against various types of literature data including laminar flame speeds, oxidation and pyrolysis in shock tubes, chemical structure of premixed flames, and low-temperature oxidation in jet-stirred reactors. To extend the validation range, the chemical structure of a counterflow flame fueled by acetaldehyde at 600 Torr has been measured using vacuum ultra-violet photoionization molecular-beam mass spectrometry. In addition, ignition delay times at 10 atm and 700-1100 K were measured in a rapid compression machine, and a negative temperature coefficient (NTC) behavior was observed. The present kinetic model well reproduces the results of various acetaldehyde combustion experiments covering wide ranges of temperatures (300–2300 K) and pressures (0.02–10 atm), and explains well the observed NTC behavior based on the competition between multiple oxidation pathways for the methyl radicals and their self-recombination forming ethane, a relatively stable species at temperatures below 1000 K.en_US
dc.format.extent337 - 350en_US
dc.relation.ispartofCombustion and Flameen_US
dc.rightsAuthor's manuscripten_US
dc.titleA further experimental and modeling study of acetaldehyde combustion kineticsen_US
dc.typeJournal Articleen_US

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