Journal
PROCEEDINGS OF THE COMBUSTION INSTITUTE
Volume 32, Issue -, Pages 2107-2114Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.proci.2008.06.006
Keywords
Metal combustion; Aluminum; Solid rocket motors
Funding
- SEA
- US Air Force [9300-05-C-0011]
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A model for prediction of particle radius and oxide cap size/shape versus time for an aluminum particle tracking a stream-tube through a solid rocket motor port has been developed. Following preliminary calculations leading to it postulated flame structure, a quasi-steady model to predict instantaneous consumption of aluminum and generation of condensed oxide (both as a cap oil the aluminum particle and as smoke) as a function of instantaneous particle size, ambient conditions, and cumulative amount of oxide in the cap was developed. Finally, this model was imbedded into a framework tracking evolution of particle size, oxide cap size, and ambient conditions, which change as the particle travels along a stream-tube consuming oxidizer and releasing heat. Qualitative agreement was found between predictions and limited observations. (C) 2009 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
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