Effect of pressure on the autoignition delay of methane–ethylene–air mixtures

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Аннотация

The autoignition delays of stoichiometric methane–ethylene–air mixtures in the initial temperature range T0 = 760–1000 K and at a pressure P0 = 1 and 3 atm were determined experimentally by the method of autoignition in a static reactor and by kinetic modeling. It was found that increasing the pressure reduces the autoignition delay without changing the general nature of its dependence on the concentration of ethylene in the mixture. The effective activation energy of the autoignition delay of methane–ethylene–air mixtures within the measurement error weakly depends on pressure which is confirmed by kinetic calculations. The calculated values of the effective activation energy are in a good agreement with the experimental results.

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Авторлар туралы

Kirill Troshin

Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: troshin@chph.ras.ru

Doctor of Science in Physics and Mathematics, Chief Researcher

Ресей, 4, Kosygin St., Moscow, 119991

Andrey Belyaev

Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences

Email: belyaevIHF@yandex.ru

Candidate of Science in Physics and Mathematics, Leading Researcher

Ресей, 4, Kosygin St., Moscow, 119991

Artem Arutyunov

Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences; Lomonosov Moscow State University

Email: aarutyunovv@gmail.com

Candidate of Science in Physics and Mathematics, Researcher; Junior Researcher of the Faculty of Computational Mathematics and Cybernetics

Ресей, 4, Kosygin St., Moscow, 119991; Bldg. 52, 1, Leninskie Gory, Moscow, 119991

Georgy Shubin

Moscow Institute of Physics and Technology

Email: shubin.ga@phystech.edu

Bachelor

Ресей, 9, Institutsky Lane, Dolgoprudny, Moscow Region, 141701

Aleksey Nikitin

Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences; Institute of Problems of Chemical Physics of the Russian Academy of Sciences

Email: ni_kit_in@rambler.ru

Candidate of Science in Chemistry, Senior Researcher; Researcher

Ресей, 4, Kosygin St., Moscow, 119991; 1, Acad. Semenov Ave., Chernogolovka, Moscow Region, 142432

Vladimir Arutyunov

Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences; Institute of Problems of Chemical Physics of the Russian Academy of Sciences; Gubkin Russian State Oil and Gas University; Lomonosov Moscow State University

Email: arutyunov@chph.ras.ru

Doctor of Science in Chemistry, Professor, Chief Researcher; Chief Researcher; Professor; Professor of the Faculty of Fundamental Physical and Chemical Engineering

Ресей, 4, Kosygin St., Moscow, 119991; 1, Acad. Semenov Ave., Chernogolovka, Moscow Region, 142432; 65, Leninsky Ave., Moscow, 119991; 1, Leninskie Gory, Moscow, 119991

Әдебиет тізімі

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  2. Arutyunov, V., K. Troshin, A. Nikitin, A. Belyaev, A. Arutyunov, A. Kiryushin, and L. Strekova. 2020. Selective oxycracking of associated petroleum gas into energy fuel in the light of new data on self-ignition delays of methane-alkane compositions. Chem. Eng. J. 381:122706. doi: org/10.1016/j.cej.2019.122706.
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