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Citation: JIANG Yong, QIU Rong. A Numerical Study on Effects of Turbulent Mixing for Flame Inhibition by Phosphorus-Containing Compounds[J]. Acta Physico-Chimica Sinica, ;2009, 25(03): 477-485. doi: 10.3866/PKU.WHXB20090314 shu

A Numerical Study on Effects of Turbulent Mixing for Flame Inhibition by Phosphorus-Containing Compounds

JIANG Yong ,
QIU Rong ^,

1.
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, P. R. China

Corresponding author: QIU Rong, rqh@ustc.edu.cn
Received Date: 20 October 2008
Available Online: 22 December 2008

The complex chemistry of a methane-air flame doped with phosphorus-containing compounds (PCCs) was determined and it was validated with experimental data. Modeling of partially stirred reactors (PaSR) by stochastic Monte Carlo simulations was carried out to investigate flame inhibition by PCCs considering the effects of turbulent mixing. Effects on flame structures were determined by varying the ratio τmix/τres (the residence time τres and the mixing time τmix). Numerical simulations were performed for a wide range of τmix and τres revealing extinction behaviors. A detailed investigation of catalytic cycles involved in the recombination of key flame radicals is discussed.
- Phosphorus-containing compound,
- Flame inhibition,
- Turbulent mixing
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