Structure of an n-heptane/toluene flame: Molecular beam mass spectrometry and computer simulation investigations

D. A. Knyazkov, N. A. Slavinskaya, A. M. Dmitriev, A. G. Shmakov, O. P. Korobeinichev, U. Riedel

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

10 Цитирования (Scopus)

Аннотация

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/O2/Ar flame stabilized on a flat burner at atmospheric pressure. The ratio of the liquid volumes in the n-heptane/toluene mixture was 7: 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.

Язык оригиналаанглийский
Номер статьи3
Страницы (с-по)142-154
Число страниц13
ЖурналCombustion, Explosion and Shock Waves
Том52
Номер выпуска2
DOI
СостояниеОпубликовано - 1 мар 2016

Предметные области OECD FOS+WOS

  • 1.07 ПРОЧИЕ ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ
  • 1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ
  • 1.04 ХИМИЧЕСКИЕ НАУКИ
  • 2.04 ХИМИЧЕСКИЕ ТЕХНОЛОГИИ

ГРНТИ

  • 31.15 Физическая химия

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