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Characterization of the Thermal Properties of Forest Fuels by Combustible Gas Analysis

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The thermal decompositions of forty-three typical forest fuels have been characterized up to 500°C. The fuels studied include foliage, wood, small stems, and bark. Evolved gas analysis gave quantitative measurements of the oxygen stoichiometry for combustion of volatile pyrolysis products. Oxygen consumption by the volatiles is highly correlated to their calculated heats of combustion. Char heats of combustion were also determined and found to be very similar for the fuels studied. These data were used to partition total heat of combustion into flaming and glowing components. Addition of combustible gas analysis to other thermal analysis techniques provides a more complete comparison of thermal behavior over a wide temperature range. Forest Sci. 28:404-420.

Keywords: Thermal analysis; ash contents; biomass; charring; flammability; heat of combustion; pyrolysis

Document Type: Journal Article

Affiliations: Research Chemist, USDA Forest Service, Intermountain Forest and Range Experiment Station, Ogden, Utah, located at Northern Forest Fire Laboratory, Missoula, Mont.

Publication date: June 1, 1982

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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