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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