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Predicting Fire Growth Involving Interior Finish Materials Including the Effects of Lateral Flame Spread and Layer Heating. (Abstract/Presentation)


pdf icon Predicting Fire Growth Involving Interior Finish Materials Including the Effects of Lateral Flame Spread and Layer Heating. (Abstract/Presentation) (198 K)
Lattimer, B. Y.; Beyler, C. L.

NIST SP 998; May 2003.

Keywords:

fire growth; fire spread; interior finishes; flame spread; heating

Abstract:

A fire growth model has been developed to predict the flame spread and total heat release rate of a fire in the corner of a combustible lined room. Input data for the combustible lining was developed using small-scale test data from the ASTM E1354 cone calorimeter and ASTM E1321 LIFT. The fire growth model includes a flame spread model linked with a two zone compartment fire model, CFAST Version 3.1.2 . The model was validated against large-scale Navy and USCG ISO 9705 room test data and large-scale open corner test data on a variety of combustible materials. Using this model, the effects of layer heating and lateral flame spread on fire growth in a corner configuration were explored. Lateral flame spread was found to be an important consideration in large spaces (i.e., open corner) where layer heating was not significant. In smaller compartments (i.e., ISO 9705), the effects of layer heating are significant and lateral flame spread is less important.