Add time:08/25/2019         Source:sciencedirect.com

Reactions of fuel derived radicals, R, and oxygen, are of interest for low temperature combustion and autoignition. A method for measuring R + O2 rate coefficients based on the real time regeneration of OH radicals following initiation of the reaction via OH + RH is presented; values for kR+O2 can be extracted from the resulting biexponential OH profiles. The rate coefficient for the reaction of CH3OCH2, with O2, at 291–483 K, in 4.1–32.6 Torr of nitrogen are reported. At room temperature, kCH3OCH2+O2 = (0.94 ± 0.04) × 10−11 cm3 molecule−1 s−1, where the error represents statistical uncertainty at the 2σ level.

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