Abstract
A nonstationary model of gas combustion in a porous cylindrical heat generator with allowance for heat losses inside the body and from the outer surface is proposed and numerically analyzed. The flow pattern is demonstrated to depend on the ratio of the outer and inner radii of the working region. Critical conditions separating the stationary operation mode and the thermal explosion are found.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
A. I. Kirdyashkin and Yu. M. Maksimov, “Infrared burner on the basis of porous ceramics,” in: Energy Saving and Energy Efficiency, Proc. VIII Int. Exhibition Congress, Tomsk (2005), pp. 24–25.
D. A. Frank-Kamenetskii, Diffusion and Heat Transfer in Chemical Kinetics, Plenum, New York (1969).
I. G. Dik, “Stationary regimes of nonisothermal chemical reactions in a porous layer,” Combust., Expl., Shock Waves, 29, No. 6, 724–727 (1993).
R. S. Burkina and V. G. Prokof’ev, “Critical conditions of thermal explosion of a porous layer,” Combust., Expl., Shock Waves, 44, No. 3, 291–299 (2008).
E. A. Eremin and A. K. Kolesnikov, “Steady-state theory of thermal explosions,” Combust., Expl., Shock Waves, 14, No. 5, 658–659 (1978).
R. S. Burkina and E. G. Rogacheva, “Characteristics of thermal explosion in a porous layer with diffusion of a gaseous reactant,” Combust., Expl., Shock Waves, 32, No. 2, 204–210 (1996).
V. I. Babushok, V. M. Gol’dshtein, A. S. Romanov, and V. S. Babkin, “Thermal explosion in an inert porous medium,” Combust., Expl., Shock Waves, 28, No. 4, 319–325 (1992).
E. A. Shchepakina, “Critical conditions of self-ignition in a porous medium,” Khim. Fiz., 20, No. 7, 3–9 (2001).
E. A. Shchepakina, “Conditions of safe ignition of combustible fluids in a porous insulating material,” 5, No. 3, 162–169 (2002).
V. M. Polyaev, V. A. Maiorov, and L. L. Vasil’ev, Hydrodynamics and Heat Transfer in Porous Elements of Flying Vehicles [in Russian], Mashinostroenie, Moscow (1988).
Yu. A. Chumakov and A. G. Knyazeva, “Regimes of gas combustion in a porous body of a cylindrical heat generator,” Combust., Expl., Shock Waves, 45, No. 1, 14–24 (2009).
I. S. Grigor’eva and E. Z. Meilikhova (eds.), Physical Quantities: Handbook [in Russian], Energoatomizdat, Moscow (1991).
A. S. Isserlin (ed.), Fundamentals of Burning of Gas Fuel: Handbook [in Russian], Nedra, Leningrad (1987).
G. I. Ksandopulo, Flame Chemistry [in Russian], Khimiya, Moscow (1980).
A. G. Knyazeva and Yu. A. Chumakov, “Distributions of temperature and thermal stresses in the porous body of a cylindrical radiating burner operating in a stationary mode,” Izv. Tomsk. Politekh. Univ., 312, No. 4, 28–36 (2008).
Author information
Authors and Affiliations
Corresponding author
Additional information
Translated from Fizika Goreniya i Vzryva, Vol. 46, No. 5, pp. 20–27, September–October, 2010
Rights and permissions
About this article
Cite this article
Chumakov, Y.A., Knyazeva, A.G. Thermal Explosion of a Gas Mixture in a Porous Hollow Cylinder. Combust Explos Shock Waves 46, 507–514 (2010). https://doi.org/10.1007/s10573-010-0066-9
Received:
Revised:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10573-010-0066-9