Thermal explosion of a gas mixture in a porous hollow cylinder

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.

Original language	English
Pages (from-to)	507-514
Number of pages	8
Journal	Combustion, Explosion and Shock Waves
Volume	46
Issue number	5
DOIs	https://doi.org/10.1007/s10573-010-0066-9
Publication status	Published - 1 Sep 2010

Keywords

critical conditions
numerical solution
porous burner
thermal explosion

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Fuel Technology
Energy Engineering and Power Technology
Physics and Astronomy(all)

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10.1007/s10573-010-0066-9

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title = "Thermal explosion of a gas mixture in a porous hollow cylinder",

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.",

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author = "Chumakov, {Yu A.} and Knyazeva, {A. G.}",

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AU - Knyazeva, A. G.

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N2 - 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.

AB - 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.

KW - critical conditions

KW - numerical solution

KW - porous burner

KW - thermal explosion

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