Abstract
To characterize the stability of the filtration combustion (FC) front, a dimensionless coefficient that describes the spatial distortions of the combustion front and is equal to the ratio between the maximum and minimum front width is suggested. It was shown for the example of bidisperse fuel mixtures of hard coal that, with an inclined rotating reactor, the gasification process can be stabilized as compared with the vertical reactor. A stable combustion front was observed at any content of the fine fraction in experiments of gasification of a fuel composed of 5–7- and 3–5-mm fractions. A stable combustion front was observed in experiments with a fine (1–2 mm) fraction up to its content of 60%.
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