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The Ignition and Oxidation of Tetrahydrofuran: Experiments and Kinetic Modeling

机译:The Ignition and Oxidation of Tetrahydrofuran: Experiments and Kinetic Modeling

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The ignition of tetrahydrofuran (THF) has been studied in a single-pulse shock tube under reflected shock wave conditions while the oxidation of THF was studied in a high-pressure jetstirred reactor (JSR). The present experiments cover a wide range of conditions: 2#x2013;10atm, 0.5#x2264; #x2264;2.0, 800#x2013;1800K. The ignition delays of THF, measured in a shock tube, have been used to propose an overall representation for the dependence of ignition delay time on the concentration of each component in the ignitable gas mixture: #x3C4;all=10-14.4exp (19590/T5)c4h8O0.272O2-0.984AR-0.189(units:s, mole/dm3, K). Concentration profiles of the reactants, stable intermediates and products of the oxidation of ThF were measured in a JSR. A numerical model, consisting of a detailed kinetic reaction mechanism with 484 reactions (most of them reversible) of 71 species, describes the ignition of THF in reflected shock waves and its oxidation in a jet-stirred reactor. We observed a fairly good agreement between the experimental results and the computations. Detailed kinetic modeling enabled identification of the major reaction paths and sensitive kinetic parameters.

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