Document Type thesis Author Name Wright, Mark T. Email Address mwright at haifire.com URN etd-110599-160802 Title Flame Spread on Composite Materials for use in High Speed Craft Degree MS Department Fire Protection Engineering Advisors Jonathan Barnett, Advisor Nicholas Dembsey, Committee Member David Lucht, Department Head Jason Averill, Reader Keywords composite materials flame height flame spread heat flux map CFAST radiation network IMO computer model ISO 9705 High-speed craft Date of Presentation/Defense 1999-08-30 Availability unrestricted
The use of advanced materials in the construction of high-speed craft is becoming more commonplace. However, there are certain requirements set in the High Speed Craft Code (published by IMO) that restrict the use of materials based on results from full scale room fire testing (ISO 9705). An obvious benefit would be gained by simulating the results of these full-scale tests using bench scale data from the Cone Calorimeter and LIFT apparatus.
A flame-spread algorithm developed by Henri Mitler at the National Institute of Standards and Technology was selected for implementation into the zone fire model CFAST. This algorithm was modified from its original form, so that it could simulate flame spread on wall/ceiling lining materials for both sidewall and corner scenarios, including ISO 9705 as prescribed in the High Speed Craft Code. Changes to the algorithm included geometry of flame spread across the ceiling, flame height, radiation exchange, ignition burner heat flux maps, and multiple pyrolysis zones. The new flame spread algorithm was evaluated against room corner test data from four different marine composite materials tested per ISO 9705.
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