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Article

Wind in a Natural and Artificial Wildland Fire Fuel Bed

1
Geophysical Fluid Dynamics Institute, Florida State University, Tallahassee, FL 32306, USA
2
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, USA
3
Department of Scientific Computing, Florida State University, Tallahassee, FL 32306, USA
4
FAMU-FSU College of Engineering, Tallahassee, FL 32310, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Maryam Ghodrat
Received: 29 April 2021 / Revised: 6 June 2021 / Accepted: 7 June 2021 / Published: 9 June 2021
(This article belongs to the Special Issue Wind Fire Interaction and Fire Whirl)
Fuel beds represent the layer of fuel that typically supports continuous combustion and wildland fire spread. We examine how wind propagates through and above loose and packed pine needle beds and artificial 3D-printed fuel beds in a wind tunnel. Vertical profiles of horizontal velocities are measured for three artificial fuel beds with prescribed porosities and two types of fuel beds made with long-leaf pine needles. The dependence of the mean velocity within the fuel bed with respect to the ambient velocity is linked to the porosity. Experimental results show significant structure to the vertical profile of mean flow within the bed, and suggest that small-scale sweeps and ejections play a role in this system redistributing momentum similar to larger-scale canopy flows. View Full-Text
Keywords: fire dynamics; atmospheric boundary layer; atmosphere; fuel layer; porous media; lateral diffusivity; turbulence fire dynamics; atmospheric boundary layer; atmosphere; fuel layer; porous media; lateral diffusivity; turbulence
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MDPI and ACS Style

Bebieva, Y.; Speer, K.; White, L.; Smith, R.; Mayans, G.; Quaife, B. Wind in a Natural and Artificial Wildland Fire Fuel Bed. Fire 2021, 4, 30. https://doi.org/10.3390/fire4020030

AMA Style

Bebieva Y, Speer K, White L, Smith R, Mayans G, Quaife B. Wind in a Natural and Artificial Wildland Fire Fuel Bed. Fire. 2021; 4(2):30. https://doi.org/10.3390/fire4020030

Chicago/Turabian Style

Bebieva, Yana; Speer, Kevin; White, Liam; Smith, Robert; Mayans, Gabrielle; Quaife, Bryan. 2021. "Wind in a Natural and Artificial Wildland Fire Fuel Bed" Fire 4, no. 2: 30. https://doi.org/10.3390/fire4020030

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