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Combustion of Polymethylmethacrylate Spheres at Normal and Reduced Gravity.

pdf icon Combustion of Polymethylmethacrylate Spheres at Normal and Reduced Gravity. (251 K)
Yang, J. C.; Hamins, A.; Gorchkov, N. N.; Glover, M.

NISTIR 5904; October 1996.

National Institute of Standards and Technology. Annual Conference on Fire Research: Book of Abstracts. October 28-31, 1996, Gaithersburg, MD, 135-136 pp, 1996.


National Aeronautics and Space Administration, Lewis Research Center, Cleveland, OH

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Order number: PB97-153514


fire research; fire science; polymethyl methacrylate; gravity; combustion; experiments


Polymer combustion is a highly complicated process where chemical reactions may occur not only in the gas phase, but also in the condensed phase as well as at the solid-gas interphase. The complication arises due to the coupling between the condensed phase and gas phase phenomena. While some polymers form a char layer during combustion, others exhibit swelling, bubbling, melting, sputtering, and multi-stage combustion. The combustion of polymeric materials is related to many applications including solid and hybrid rocket propulsion, and of recent interest, waste incineration.