NDLI: Characterization of Fuel Properties and Fire Spread Rates for Little Bluestem Grass

Content Provider	Springer Nature Link
Author	Overholt, K. J. Cabrera, J. Kurzawski, A. Koopersmith, M. Ezekoye, O. A.
Copyright Year	2012
Abstract	Rapid urban sprawl and population decentralization in recent decades have increased the size of the wildland-urban interface and resulted in higher community risk and vulnerability to wildfire. This paper primarily focuses on understanding grass-fueled fires common to Texas and improving the understanding of the physics and fire dynamics that are inherent in the grassland and prairie flame spread problem. Little bluestem (Schizachyrium scoparium) grass was chosen as the grassland fuel due to its prevalent coverage in the Texas area and its relevance to grassland fires in Texas. The methodology in this study relies on a framework to characterize fuel properties of little bluestem grass using small- and intermediate-scale experiments to better predict full-scale fire behavior. An intermediate-scale numerical flame spread model was developed for grass fuels that accounts for fuel moisture content to calculate the mass versus time of a burning little bluestem plant. The results of the small- and intermediate-scale experiments were used to develop input parameters for a field-scale numerical simulation of a grass field using a physics-based computational fire model, Wildland-urban interface Fire Dynamics Simulator (WFDS). A sensitivity analysis was performed to determine the effect of varying WFDS input parameters on the fire spread rate. The results indicate that the fuel moisture content had the most significant impact on the fire spread rate.
Starting Page	9
Ending Page	38
Page Count	30
File Format	PDF
ISSN	00152684
Journal	Fire Technology
Volume Number	50
Issue Number	1
e-ISSN	15728099
Language	English
Publisher	Springer US
Publisher Date	2012-06-07
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wildland fires WUI fires Grassland fires Grass fuel properties Wildland fire modeling WFDS Civil Engineering Mechanics Characterization and Evaluation of Materials Physics
Content Type	Text
Resource Type	Article
Subject	Materials Science Safety, Risk, Reliability and Quality

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