Deflagration-to-detonation transition in air mixtures of polypropylene pyrolysis products

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Abstract


A new method for determining the detonability of fuel is proposed based on the measured values ​​of the detonation run-up distance and time in the standard pulsed detonation tube (PDT). Granulated polypropylene (GP) was used as a fuel. A test bench with the PDT and a gas generator was designed and manufactured for the preparation of the GP pyrolysis products at a decomposition temperature of up to 800 °C. Experiments on deflagration-to-detonation transition in air mixtures of pyrolysis products of the GP showed that such mixtures exhibit detonability close to that of liquefied hydrocarbon gas (LPG) of the propane-butane automobile brand in a stoichiometric mixture with air under normal conditions.


About the authors

S. M. Frolov

N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences; National Research Nuclear University MEPhI (Moscow Engineering Physics Institute); Scientific Research Institute for System Analysis of the Russian Academy of Sciences

Author for correspondence.
Email: sergei@frolovs.ru

Russian Federation, 4, Kosygin street, Moscow, 119991; 31, Kashirskoe shosse, Moscow, 115409; 36-1, Nakhimovsky prospect, Moscow, 117218

V. I. Zvegintsev

Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch of the Russian Academy of Sciences

Email: sergei@frolovs.ru

Russian Federation, 4/1, Institutskaya street, Novosibirsk, 630090

V. S. Aksenov

N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences; National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Email: sergei@frolovs.ru

Russian Federation, 4, Kosygin street, Moscow, 119991; 31, Kashirskoe shosse, Moscow, 115409

I. V. Bilera

A.V.Topchiev Institute of Petrochemical Synthesis of the Russian Academy of Sciences

Email: sergei@frolovs.ru

Russian Federation, 29, Leninsky prospekt, Moscow, 119991

M. V. Kazachenko

N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences; Bauman Moscow State Technical University

Email: sergei@frolovs.ru

Russian Federation, 4, Kosygin street, Moscow, 119991; 5, 2-nd Baumanskaya, Moscow, 105005

I. O. Shamshin

N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences; Scientific Research Institute for System Analysis of the Russian Academy of Sciences

Email: sergei@frolovs.ru

Russian Federation, 4, Kosygin street, Moscow, 119991; 36-1, Nakhimovsky prospect, Moscow, 117218

P. A. Gusev

N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences; Joint Institute of High Temperature of the Russian Academy of Sciences

Email: sergei@frolovs.ru

Russian Federation, 4, Kosygin street, Moscow, 119991; 13/19, Izhorskaya street, Moscow, 125412

M. S. Belotserkovskaya

Scientific Research Institute for System Analysis of the Russian Academy of Sciences; Institute for Computer Aided Design

Email: sergei@frolovs.ru

Russian Federation, 36-1, Nakhimovsky prospect, Moscow, 117218; 19/18, 2nd Brestskaya, Moscow, 123056

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