C4-C6饱和和不饱和甲酯和乙酯的自燃实验
Experimental Autoignition of C4-C6 Saturated and Unsaturated Methyl and Ethyl Esters
摘要：
自燃延迟时间，？，在激波管实验中研究了巴豆酸甲酯、丙烯酸甲酯、丁酸乙酯、巴豆酸乙酯和丙烯酸乙酯的反应。一系列用氩气稀释的混合物，具有不同的燃料/氧气当量比（？= 0.25，0.4，1.0和2.0），在1280-1930 K的温度范围内，在7-9.65 atm的压力范围内，测量了反射冲击波后面的对数？对于所有当量比，作为温度倒数的函数线性变化。点火延迟时间随温度升高而减小。的依赖？温度和反应物浓度的经验关系式。研究结果为验证小分子饱和和不饱和酯在高温高压下燃烧的动力学机理提供了数据库。
英文摘要：
Autoignition delay times, ?, of methyl crotonate, methyl acrylate, ethyl butanoate, ethyl crotonate, and ethyl acrylate were studied in shock tube experiments. A series of mixtures diluted with argon, of varying fuel/oxygen equivalence ratios (?=0.25, 0.4, 1.0, and 2.0), were measured behind reflected shock waves over the temperature range of 1280-1930 K, pressure range of 7-9.65 atm, during which the logarithm of ? varies linearly as a function of the inverse temperature for all equivalence ratios. The ignition delay time decreases as temperature rises. The dependence of ? on temperature, and reactant concentrations is given in an empirical correlation. The results provide a database for the validation of small saturated and unsaturated esters kinetic mechanisms at elevated temperatures and pressure combustion.
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