Abstract:
This paper presents an analytical criterion of ignition of condensed explosives by a short laser pulse with a Gaussian energy distribution over the beam cross section taking into account the temperature dependence of the absorption coefficient. The dependence of the critical ignition energy density on the beam radius is due to the radial component of heat release from the reaction volume. Estimates of the critical energy density of the laser pulse by this criterion are consistent with the results of numerical solution of the heat-conduction equation.
Citation:
E. V. Duginov, A. V. Khaneft, “Effect of the temperature dependence of the absorption coefficient on the critical energy of ignition of condensed substances by a laser pulse”, Fizika Goreniya i Vzryva, 47:4 (2011), 127–135; Combustion, Explosion and Shock Waves, 47:4 (2011), 490–497
\Bibitem{DugKha11}
\by E.~V.~Duginov, A.~V.~Khaneft
\paper Effect of the temperature dependence of the absorption coefficient on the critical energy of ignition of condensed substances by a laser pulse
\jour Fizika Goreniya i Vzryva
\yr 2011
\vol 47
\issue 4
\pages 127--135
\mathnet{http://mi.mathnet.ru/fgv1119}
\elib{https://elibrary.ru/item.asp?id=16986598}
\transl
\jour Combustion, Explosion and Shock Waves
\yr 2011
\vol 47
\issue 4
\pages 490--497
\crossref{https://doi.org/10.1134/S0010508211040137}
Linking options:
https://www.mathnet.ru/eng/fgv1119
https://www.mathnet.ru/eng/fgv/v47/i4/p127
This publication is cited in the following 12 articles:
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Alexander Yu. Dolgoborodov, Vladimir G. Kirilenko, Michael A. Brazhnikov, Leonid I. Grishin, Michael L. Kuskov, Georgii E. Valyano, “Ignition of nanothermites by a laser diode pulse”, Defence Technology, 18:2 (2022), 194
Maria V. Chepak-Gizbrekht, Anna G. Knyazeva, “Critical conditions for laser initiation of a chemical reaction in thin layer placed on substrate”, Surfaces and Interfaces, 32 (2022), 102107
Alexander Khaneft, “Determination of the Critical Temperature of Self‐Ignition of Explosives from the Stability Analysis of the Thermal Conductivity Equation”, Propellants Explo Pyrotec, 46:3 (2021), 368
Han-yue Deng, Liang Wang, Duo Tang, Yong Zhang, Long Zhang, “Review on the laser-induced performance of photothermal materials for ignition application”, Energetic Materials Frontiers, 2:3 (2021), 201
Alexander V. Khaneft, Vadim A. Dolgachev, Svyatoslav A. Rybin, “The Effect of Metal Film Thickness on Ignition of Organic Explosives with a Laser Pulse”, Molecules, 24:24 (2019), 4600
Alexander Khaneft, Anatoly Mitrofanov, Anton Zverev, “Effect of Decomposition of CuO Film on Ignition of Organic Explosives by a Laser Pulse”, Propellants Explo Pyrotec, 44:12 (2019), 1554
Dulcie N. Herreros, Xiao Fang, “Laser ignition of elastomer-modified cast double-base (EMCDB) propellant using a diode laser”, Optics & Laser Technology, 89 (2017), 21
G. V. Kuznetsov, M. D. Katz, “Analysis of conditions for determining the thermophysical characteristics of energetic materials by the laser pulse method”, Russ. J. Phys. Chem. B, 10:6 (2016), 978
Vadim A. Dolgachev, Alexander V. Khaneft, G.V. Kuznetsov, P.A. Strizhak, E.E. Bulba, A.O. Zhdanova, “Influence of the thickness absorbing film on the PETN ignition threshold by a laser pulse”, MATEC Web of Conferences, 23 (2015), 01067
Xiao Fang, Warren G McLuckie, “Laser ignitibility of insensitive secondary explosive 1,1-diamino-2,2-dinitroethene (FOX-7)”, Journal of Hazardous Materials, 285 (2015), 375
Vadim A. Dolgachev, Alexander V. Khaneft, G. V. Kuznetsov, P. A. Strizhak, A. O. Zhdanova, E. E. Bulba, “Ignition of organic explosives by a laser pulse”, EPJ Web of Conferences, 82 (2015), 01023
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