Experimental investigation of aluminum combustion in sulfur hexafluoride atmosphere
Fuhs, Allen E.
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The goal of this report is to summarize the experimental results and studies of aluminum combustion in sulfur hexafluoride atmosphere. The particles has been ejected from exploding wire. Using photography, burning time, particle size, velocity, deceleration, and temperature were measured. Typical results are as follows: 380 f 25 micron diameter: particles burn in 10 t .75 ms; the average initial velocities were from 10 m / s to 15 m/s; the average decelerations were from 4000 m/s2 to 8000 m/s2. The average temperature of the burning particle was 2750 f 150 K. According to the burning studies of the particles and the measured temperature results the mechanism of burning can be surface burning or vapor phase burning that occurs close to the surface of the hot particle.
Approved for public release; distribution is unlimitedThe article of record as published may be found at http://dx.doi.org/10.2524/6.1986-1334
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