Article,

Experimental Studies of Lower Flammability Limits of Gases and Mixtures of Gases at Elevated Temperatures

, and .
Combustion and Flame, 71 (3): 283--294 (March 1988)
DOI: http://dx.doi.org/10.1016/0010-2180(88)90064-8

Abstract

Experimental studies of lower flammability limits for methane, butane, hydrogen, carbon monoxide, in addition to mixtures of these gases are performed at temperatures up to 450 C and at atmospheric pressure. The experimental tests are mostly carried out for upward propagation. The flammability limits for each gas are found to decrease linearly with increasing temperature in the temperature range tested. A new mixing rule for calculating lower flammability limits for mixtures at elevated temperatures is suggested. The mixing rule is a simplification of that of Le Chatelier's and is based on the established equations for each gas component in the mixture.

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