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Suppression Agent Vapor Loading and Effectiveness Assessment for Engine Nacelles.


pdf icon Suppression Agent Vapor Loading and Effectiveness Assessment for Engine Nacelles. (772 K)
Fleming, J. W.; Yang, J. C.

Paper 26; HOTWC 2005;

Halon Options Technical Working Conference, 15th Proceedings. HOTWC 2005. Sponsored by: 3M Specialty Materials, Boeing, Chemical Development Studies, Inc., DuPont Fire Extinguishants, Halon Alternative Research Corp., Hughes Associates, Inc., Kidde-Fenwal, Inc., Sandia National Laboratories, SEVO Systems, Next Generation Fire Suppression Technology Program. May 24-26, 2005, Albuquerque, NM, 1-11 pp, 2005.

Keywords:

halon alternatives; halons; halon 1301; nacelle engines; fire suppression; vapors; effectiveness; fire protection; simulation; enclosures; drop size; computational fluid dynamics

Abstract:

There is a high probability that gases or liquids with high boiling points, higher than that of Halon 1301, will be required to provide fire protection in engine nacelles. In such complex flow environments, the performance of the suppression agent will depend on a number of parameters including physical properties of the agent (heat capacity, boiling point, heat of vaporization), the application temperature, and the flow-imposed time constraints for liquid agent evaporation. This work addresses the potential performance of possible compounds via a computational approach in order to eliminate unsuitable compounds from consideration and determine favorable properties that successful agents are likely to possess.