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Fizika Goreniya i Vzryva, 2014, Volume 50, Issue 2, Pages 40–50 (Mi fgv113)  

This article is cited in 11 scientific papers (total in 11 papers)

Mechanism of combustion catalysis by ferrocene derivatives. 2. Combustion of ammonium perchlorate-based propellants with ferrocene derivatives

V. P. Sinditskii, A. N. Chernyi, D. A. Marchenkov

D. Mendeleev University of Chemical Technology of Russia, Moscow, 125047, Russia
Abstract: Combustion of mixtures of a narrow fraction of ammonium perchlorate (AP) with hydrocarbon binders and combustion catalysts diethylferrocene and 1,1'-bis(dimethyloctyloxysilyl)ferrocene, as well as nano-sized Fe$_3$O$_3$ is studied. It is shown that the efficiency of ferrocene compounds from the viewpoint of increasing the burning rate depends on the oxidizer/fuel ratio in the propellant and on the place of the leading reaction of combustion. In composites with a high oxidizer/fuel ratio whose combustion follows the gas-phase model, the catalyst efficiency is rather low. In systems with a low oxidizer/fuel ratio where the contribution of condensed-phase reactions to the burning rate of the system is rather large, the catalyst efficiency is noticeably greater, and it is directly related to the possibility of formation of a soot skeleton during combustion. The close values of the catalytic activity of ferrocenes and Fe$_2$O$_3$ in the case of their small concentrations in such compositions testify that the main contribution to the increase in the propellant burning rate is made by Fe$_2$O$_3$ formed due to rapid oxidation of ferrocene on the AP surface and accumulated on the soot skeleton. Thermocouple measurements of propellants with a low oxidizer/fuel ratio are performed, and it is shown that the temperature of their surface is determined by plasticizer evaporation. A phenomenological model of combustion of the examined propellants is proposed.
Keywords: mechanism of catalysis, diethylferrocene, ammonium perchlorate, combustion, catalyst.
Received: 10.06.2013
English version:
Combustion, Explosion and Shock Waves, 2014, Volume 50, Issue 2, Pages 158–167
DOI: https://doi.org/10.1134/S0010508214020063
Bibliographic databases:
Document Type: Article
UDC: 536.45
Language: Russian
Citation: V. P. Sinditskii, A. N. Chernyi, D. A. Marchenkov, “Mechanism of combustion catalysis by ferrocene derivatives. 2. Combustion of ammonium perchlorate-based propellants with ferrocene derivatives”, Fizika Goreniya i Vzryva, 50:2 (2014), 40–50; Combustion, Explosion and Shock Waves, 50:2 (2014), 158–167
Citation in format AMSBIB
\Bibitem{SinCheMar14}
\by V.~P.~Sinditskii, A.~N.~Chernyi, D.~A.~Marchenkov
\paper Mechanism of combustion catalysis by ferrocene derivatives. 2. Combustion of ammonium perchlorate-based propellants with ferrocene derivatives
\jour Fizika Goreniya i Vzryva
\yr 2014
\vol 50
\issue 2
\pages 40--50
\mathnet{http://mi.mathnet.ru/fgv113}
\elib{https://elibrary.ru/item.asp?id=21937184}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2014
\vol 50
\issue 2
\pages 158--167
\crossref{https://doi.org/10.1134/S0010508214020063}
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  • https://www.mathnet.ru/eng/fgv/v50/i2/p40
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    This publication is cited in the following 11 articles:
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