Abstract
Abstract This paper describes experimental studies of the combustion of single particles of aluminum and beryllium in a variety of oxidizers. Experiments were performed using both a pulsed Nd-glass laser and a xenon flash heating device as ignition sources. A scanning electron microscope (SEM) served as the major diagnostic tool in particle quenching studies. Major differences in the combustion of aluminum and beryllium have been found and have been related to the thermophysical properties of the metals and their respective oxides. New data on the burning rate of laser-ignited aluminum particles are presented. Scanning electron microscope pictures of the evolution of geometry of burning beryllium particles are presented. The effect of water vapor on the combustion of beryllium particles is documented. A discussion of the mechanism of metal particle fragmentation is included.
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