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New methods for pyrolysis and combustion properties of forest litter: enhanced cone calorimetry with longleaf pine needlesAuthor(s): Mark A. Dietenberger; Charles R. Boardman; David R. Weise
Source: In: Hood, Sharon M.; Drury, Stacy; Steelman, Toddi; Steffens, Ron, [eds.]. Proceedings of the Fire Continuum-Preparing for the future of wildland fire; 2018 May 21-24; Missoula, MT. Proceedings RMRS-P-78. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 72-83.
Publication Series: Proceedings - Paper (PR-P)
Station: Forest Products Laboratory
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DescriptionThere is a widely expressed need to improve upon the legacy pyrolysis and combustion properties of forest litter and live foliage developed two to three decades ago (e.g., Burgan and Susott 1991; Rothermel 1972; Sussott 1980, 1982; Shafizadeh et al. 1975, 1977) to adapt to the physical fire models (i.e., Fire Dynamic Simulator [FDS]), as well as accommodate the unusual properties of live and dead vegetation involved in wildfires that suggest improving the fire physics itself. Although the Forest Products Laboratory (FPL) in the Forest Service, Department of Agriculture has been developing pyrolysis and combustion properties for wood (Dietenberger 2002, 2012; Dietenberger and White 2001; Hagge et al. 2004; Tang and Eickner 1968), there have been occasions in which attention by FPL was devoted to vegetation in collaboration with other Forest Service scientists (Dibble et al. 2007; Dickinson et al. 2016; Safdari et al. 2018; White et al. 1996) as FPL acquired various equipment and expertise. Understanding live vegetation flammability properties has proved daunting in the recent past when using the various standard methods of measurements, such as the cone calorimeter in following ASTM E1354 (ASTM International 2017), or the various attempts at pyrolysis kinetics from measurements with thermal gravimetric analysis (TGA) (e.g., Bradbury et al. 1979; Sait et al. 2012; and many others).
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CitationDietenberger, Mark A.; Boardman, Charles R.; Weise, David R. 2020. New methods for pyrolysis and combustion properties of forest litter: Enhanced cone calorimetry with longleaf pine needles. In: Hood, Sharon M.; Drury, Stacy; Steelman, Toddi; Steffens, Ron, [eds.]. Proceedings of the Fire Continuum-Preparing for the future of wildland fire; 2018 May 21-24; Missoula, MT. Proceedings RMRS-P-78. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 72-83.
Keywordscombustion properties, forest litter properties, HRR calorimetry, pyrolysis kinetics
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