Pyrolysis Gas Composition for a Phenolic Impregnated Carbon Ablator Heatshield

Creators: Rabinovitch, J.; Marx, V. M.; Blanquart, G.

Abstract

Published physical properties of phenolic impregnated carbon ablator (PICA) are compiled, and the composition of the pyrolysis gases that form at high temperatures internal to a heatshield is investigated. A link between the composition of the solid resin, and the composition of the pyrolysis gases created is provided. This link, combined with a detailed investigation into a reacting pyrolysis gas mixture, allows a consistent, and thorough description of many of the physical phenomena occurring in a PICA heatshield, and their implications, to be presented.

Additional Information

© 2014 by Jason Rabinovitch. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. The authors gratefully acknowledge funding from the Air Force Office of Scientific Research (Award FA9550-12-1-0472) under the supervision of Dr. Chiping Li. The views and conclusions contained herein are those of the authors and should not be interpreted as necessarily representing the official policies or endorsements, either expressed or implied, of the Air Force Office of Scientific Research or the U.S. Government. Financial support was also provided by the NSERC of Canada (postdoctoral fellowship to VMM).

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