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Abstrakty
To estimate the nature of combustion ethane-air mixtures the kinetic criterion of steady-state condition has been created and tested using algorithm PREMIX from CHEMKIN package. The process is fully branched inside the flammability region and increasing or decreasing equivalence ratio cause reduction of flame temperature as well as the rate of each elementary reaction. Nearby flammability limits criterion used points to steady-state conditions, i.e. chain carriers reach their steady-state, small concentrations. Hence, even small outer impulse can break chains branching and stop flame propagation.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
353--359
Opis fizyczny
Bibliogr. 8 poz., rys.
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autor
autor
autor
autor
- Institute of Inorganic Technology and Mineral Fertilizers, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27 50-370 Wrocław, Poland, renata.kedzior@pwr.wroc.pl
Bibliografia
- [1] Chemkin Combustion Package, Reaction Design, San Diego, USA.
- [2] Głowiński J., Hałat A., Baczyńska T., Seweryniak M., Assessing the concentration of chain carriers near the flammability limits, Arch. Combust., 2004, t. 24, nr 3/4, s. 207-228.
- [3] Głowiński J., Conditions of equilibrium and steady-state in the chemical kinetics. Wroclaw University of Technology Printing House, Wroclaw 2002.
- [4] Warnatz J., The structure of laminar alkane-, alkene-, and acetylene flames, 18th Symposium on Combustion, The Combustion Institute, Pittsburg, 1981, s.369-384.
- [5] Warnatz J., Maas U., Dibble R.W., Combustion – physical and chemical fundamentals and simulations, experiments, pollutant formation, 3rd edition, Springer, Berlin 2001.
- [6] Williams F.A. Combustion Theory, 2nd edition, Addison-Wesley, New York, 1985.
- [7] Lakhsmisha K.M., Paul P.J., Mukunda H.S., On the flammability limits and heat loss in flames with detailed chemistry, 23rd Symposium on Combustion, The Combustion Institute, Pittsburg, 1990 s. 433-440.
- [8] Law C.K., Egolfopoulos F.N., A kinetic criterion of flammability limits: The C-H-O-inert system, 23rd Symposium on Combustion, The Combustion Institute, Pittsburg, 1990 s. 413-421.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWM4-0031-0008