کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6635534 | 461115 | 2015 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ignition delay times and chemical kinetics of diethoxymethane/O2/Ar mixtures
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
Autoignition properties of diethoxymethane/O2/Ar mixtures were systematically investigated using a shock-tube facility under various ignition conditions, including reflected shock pressures of 2â10Â ÃÂ 105Â Pa, temperatures of 1065-1370Â K, and equivalence ratios of 0.5, 1.0 and 2.0. Ignition delay times were determined by measuring the time interval between electronically excited CHâ emission and reflected shock pressure signals monitored at shock-tube sidewall. An empirical correlation for ignition delay times as a function of temperature, pressure and equivalence ratio was deduced by linear regression analysis. A chemical kinetic mechanism describing the high-temperature oxidation of diethoxymethane was proposed. The theoretical predictions match experimental results quite well. Sensitivity and reaction pathway analyses were employed to identify dominant reactions and fuel consumption paths during the ignition process. To our knowledge, we are the first one to present the ignition delay time measurements of gas-phase diethoxymethane.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fuel - Volume 154, 15 August 2015, Pages 346-351
Journal: Fuel - Volume 154, 15 August 2015, Pages 346-351
نویسندگان
Changhua Zhang, Jiuning He, Youliang Li, Xiangyuan Li, Ping Li,