This article is cited in 1 paper

Flame stabilization in a narrow slot in an expanding gas flow

V. V. Zamashchikov

Institute of Chemical Kinetics and Combustion, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090

Abstract: Conditions of flame stabilization in a narrow gap between two circular plates with gas injection through the center of one plate are considered. Lean hydrogen-air mixtures are used as a combustible gas. It is shown that the flame can become stabilized under certain conditions either at the tube exit, at the point of injection of the combustible mixture into the slot, or at a certain distance from the point of injection. Stable existence of such flames is observed even if the slot width is smaller than 0.1 mm. The burner walls are substantially heated in both cases. The basic trends of the flame behavior are found for the second case with variation of the flow rate of the combustible gas, composition of the mixture, and slot width.

Keywords: filtration combustion of gases, flammability limits, microburners, combustion in narrow slots.

UDC: 536.46

Received: 26.07.2005
Accepted: 12.10.2005

 English version: Combustion, Explosion and Shock Waves, 2006, 42:4, 384–388

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