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This article is cited in 19 scientific papers (total in 19 papers)
Structure of an $n$-heptane/toluene flame: molecular beam mass spectrometry and computer simulation investigations
D. A. Knyaz'kovab, N. A. Slavinskayac, A. M. Dmitrievab, A. G. Shmakovab, O. P. Korobeinicheva, U. Riedelc a Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
b Novosibirsk State University, Novosibirsk, 630090, Russia
c German Aerospace Center, Institute of Combustion Technology, Stuttgart, 70569, Germany
Abstract:
Molecular beam mass spectrometry was used to measure mole fraction profiles of the reactants, major reaction products and intermediates, including precursors of polycyclic aromatic hydrocarbons, in a premixed fuel-rich (equivalence ratio of 1.75) $n$-heptane/toluene/O$_2$/Ar flame stabilized on a flat burner at atmospheric pressure. The ratio of the liquid volumes in the $n$-heptane/toluene mixture was7:3. The chemical structure of the flame was modeled using a detailed mechanism of chemical reactions tested against experimental data of other authors on $n$-heptane/toluene flames and comprising the reactions of formation of polycyclic aromatic hydrocarbons. The mechanism was extended with cross-reactions involving derivatives of $n$-heptane and toluene. Overall, the new experimental data are in satisfactory agreement with the numerical simulation results; however, there are differences between the measured and calculated mole fraction profiles of some species. Analysis shows that in the $n$-heptane/toluene flame, the main reactions leading to the formation of low-aromatic compounds (benzene and phenyl) are reactions typical of the pure toluene flame.
Keywords:
soot precursor formation, detailed reaction mechanism, $n$-heptane, toluene, molecular beam mass spectrometry.
Received: 11.02.2015 Revised: 24.03.2015
Citation:
D. A. Knyaz'kov, N. A. Slavinskaya, A. M. Dmitriev, A. G. Shmakov, O. P. Korobeinichev, U. Riedel, “Structure of an $n$-heptane/toluene flame: molecular beam mass spectrometry and computer simulation investigations”, Fizika Goreniya i Vzryva, 52:2 (2016), 21–34; Combustion, Explosion and Shock Waves, 52:2 (2016), 142–154
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https://www.mathnet.ru/eng/fgv302 https://www.mathnet.ru/eng/fgv/v52/i2/p21
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