Ignition of Cyclopropane in Shock Waves

被引：5

作者：

Vlasov, P. A. ^{[1
,2
]}

Garmash, A. A. ^{[2
]}

Tereza, A. M. ^{[1
]}

机构：

[1] Russian Acad Sci, Semenov Inst Chem Phys, Moscow, Russia

[2] Natl Res Nucl Univ MEPhI, Moscow, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2016年 / 10卷 / 04期

关键词：

combustion; ignition delay; shock waves; chemical kinetics; numerical simulation; EVALUATED KINETIC-DATA; HIGH-PRESSURES; OXIDATION; COMBUSTION; ACETYLENE; ETHYLENE; PYROLYSIS; RADICALS; TUBE; AUTOIGNITION;

D O I：

10.1134/S199079311604014X

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

The values of the ignition delay time of cyclopropane-oxygen-argon (cyclo-C3H6-O-2-Ar) mixtures of different compositions (phi = 0.333, 1, and 3) behind reflected shock waves at temperatures of 1200-1640 K and a pressure of (0.55 +/- 0.05) MPa are measured. A kinetic mechanism of cyclopropane ignition using the known rate constants for the most important elementary reactions is developed. The mechanism closely describes both our own and published experimental data on the delay time of ignition of cyclopropane in shock waves over wide ranges of temperature (1200-2100 K), pressure (0.1-0.55 MPa), cyclopropane concentrations (0.05-11 vol %), and oxygen concentrations (0.25-21 vol %). It is shown that, with increasing fraction of diluent gas in the mixture, the dependence of the ignition delay time on the fuel-to-oxidizer equivalence ratio changes.

引用

页码：602 / 614

页数：13

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