Combustion of Large Aluminium Agglomerate Particles in Air. I. Research Method, Burning Time and Characteristics of Final Oxide Particles
O. G. Glotov1,2, N. S. Belousova1,2, G. S. Surodin1
1Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk State Technical University, Novosibirsk, Russia
Keywords: aluminum agglomerate, diameter, combustion in air, combustion time, oxide combustion residue of parent agglomerate particle, diameter and mass of oxide residue
Abstract
A method for obtaining burning aluminum agglomerate particles with a diameter of 215-840 μm is described, and their combustion in free fall in air at atmospheric pressure has been studied. The combustion time as a function of particle diameter was determined by processing video recordings of the combustion process. The morphological and granulometric characteristics of condensed products (large residues of combustion of agglomerates) - final oxide particles were investigated. The ratios of the diameters and masses of the oxide residue and initial agglomerate particles were determined. An empirical formula for estimating the density of the final oxide particles is proposed.
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