Experimental Study on Downslope Fire Spread over a Pine Needle Fuel Bed

Experimental Study on Downslope Fire Spread over a Pine Needle Fuel Bed Fire Technology 2018 Springer Science+Business Media, LLC, part of Springer Nature. Manufactured in The United States https://doi.org/10.1007/s10694-018-0740-0 Experimental Study on Downslope Fire Spread over a Pine Needle Fuel Bed Zhuo Yang, Hongmin Zhang, Linhe Zhang, and Haixiang Chen* , State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026 Anhui, People’s Republic of China Received: 5 February 2018/Accepted: 24 May 2018 Abstract. The downslope fire represents a percentage of wildland fireline while the heat transfer mechanism of this process is poorly understood. In this study, the experiments were carried out in a fuel bed of dead pine needles with the slopes of - 30, - 20, - 10 and 0 for 0.4 and 0.8 kg/m fuel loads. Flame length, flame angle, temperatures over the fuel bed, flow speed at the fuel bed surface, radiation heat flux near the end of the fuel bed were measured. The rate of spread shows a parabolic shape which decreases firstly and then increases from 0 to - 30. The combustion interface, reconstructed from the temperature histories of two vertical thermocouples, was perpendicular to the fuel bed under all slope conditions for two fuel loads. The measured radiation heat http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fire Technology Springer Journals

Experimental Study on Downslope Fire Spread over a Pine Needle Fuel Bed

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Engineering; Civil Engineering; Classical Mechanics; Characterization and Evaluation of Materials; Physics, general
ISSN
0015-2684
eISSN
1572-8099
D.O.I.
10.1007/s10694-018-0740-0
Publisher site
See Article on Publisher Site

Abstract

Fire Technology 2018 Springer Science+Business Media, LLC, part of Springer Nature. Manufactured in The United States https://doi.org/10.1007/s10694-018-0740-0 Experimental Study on Downslope Fire Spread over a Pine Needle Fuel Bed Zhuo Yang, Hongmin Zhang, Linhe Zhang, and Haixiang Chen* , State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026 Anhui, People’s Republic of China Received: 5 February 2018/Accepted: 24 May 2018 Abstract. The downslope fire represents a percentage of wildland fireline while the heat transfer mechanism of this process is poorly understood. In this study, the experiments were carried out in a fuel bed of dead pine needles with the slopes of - 30, - 20, - 10 and 0 for 0.4 and 0.8 kg/m fuel loads. Flame length, flame angle, temperatures over the fuel bed, flow speed at the fuel bed surface, radiation heat flux near the end of the fuel bed were measured. The rate of spread shows a parabolic shape which decreases firstly and then increases from 0 to - 30. The combustion interface, reconstructed from the temperature histories of two vertical thermocouples, was perpendicular to the fuel bed under all slope conditions for two fuel loads. The measured radiation heat

Journal

Fire TechnologySpringer Journals

Published: Jun 6, 2018

References

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