This article is cited in 10 papers

Three-dimensional unsteady solid flame combustion under nonadiabatic conditions

T. P. Ivleva, A. G. Merzhanov

Russian Academy of Sciences, Institute of Structural Macrokinetics and Problems of Materials Science, Chernogolovka, 142432

Abstract: The effect of heat losses on solid flame combustion characteristics is considered. New steady-state three-dimensional periodic regimes are found that do not occur under adiabatic combustion conditions. The essence of these regimes is explained using as an example the regime with six spots moving on helical lines in the near-surface layers of a cylinder. The spots are localized in the near-surface layers of a cylinder and do not intersect the central (located along the axis) zone of the sample. The interior of the cylinder (core) burns in a steady-state regime; i.e., along the cylinder axis, the front propagates at a constant velocity. An explanation is given for the existence of such regimes.

Keywords: three-dimensional processes, solid flame combustion, unsteady regimes, periodic solutions, spin waves, heat losses.

UDC: 536.46+662.421

Received: 11.06.2002
Accepted: 11.11.2002

 English version: Combustion, Explosion and Shock Waves, 2003, 39:3, 300–308

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