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Combustion, Explosion and Shock Waves

2013 year, number 3

COMBUSTION OF SPHERICAL AGGLOMERATES OF TITANIUM IN AIR. I. EXPERIMENTAL APPROACH

O. G. Glotov
Keywords: титановый агломерат, горение, фрагментация, время горения, метод гашения и отбора, конденсированные продукты горения, распределение по размерам, titanium agglomerate, combustion, fragmentation, burning time, quenching and sampling technique, condensed combustion products, size distribution
Pages: 299-306

Abstract

This paper describes a method for studying the combustion of titanium particles with a diameter of 300–500 μm obtained by agglomeration of many small particles. Burning monodisperse particles of titanium were produced by ignition of miniature pieces of a pyrotechnic composition containing 69% titanium powder placed in the burning sample. The resultant agglomerated particles burned in free fall in air. Their motion and evolution, including fragmentation, were video-recorded. Condensed combustion products were quenched, sampled, and studied.