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Title: Using modified cone calorimeter to determine heat/moisture transport properties and pyrolysis/combustion properties of wood-based materials for use in CFD models

Source: Proceedings of the Fire and Materials 2011 Conference

Author(s)Dietenberger, Mark A.

Publication Year: 2011  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4723-2

Abstract: The trend towards performance-based codes for achieving acceptable fire safety creates a significant demand for improved material properties and computer fire models. The performance-based engineering analysis is very difficult to achieve for wood-based materials because of their complex physical processes for pyrolysis and combustion. To address this need the cone calorimeter (ASTM E1354) was modified to be the primary test method for deriving properties of (1) heat/moisture transport, (2) mechanistic kinetics of pyrolysis, (3) surface ignition and creeping flame spread, and (4) combustion emission characteristics for the tested material. Each of these four major properties required a unique sample holder for revealing the targeted properties, with a corresponding mathematical analysis. With these four separate tests, using samples cut out from the same block of wood, the algorithms for drying, ignition, flame spread, pyrolysis and combustion can be incorporated into Computational Fluid Dynamics codes (CFDs) to predict larger scale behavior for the particular material.

Keywords: Fire testing, composite materials, heat of combustion, flame spread, fire risk assessment, calorimetry, fire prevention, combustion, flammability, thermal properties, pyrolysis, fire models, moisture, mass transfer, wood moisture, heat transmission, heat flux, computational fluid dynamics, cone calorimetry, fire hazard, thermal degradation, fire resistance, ignition, kinetics, Computational Fluid Dynamics codes, CFDs, heat release rate

Publication Review Process: Non-Refereed (Other)

File size: 1,508 kb(s)

Date posted: 03/21/2011
RITS Product ID: 37849
Current FPL Scientist associated with this product
Dietenberger, Mark A.
Research General Engineer
  

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