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Burning behavior of two adjacent pool fires behind a building in a cross-wind
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Chen, Zhibin, Satoh, Kohyu, Wen, Jennifer X., Huo, Ran and Hu, Longhua (2009) Burning behavior of two adjacent pool fires behind a building in a cross-wind. Fire Safety Journal, Volume 44 (Number 7). pp. 989-996. doi:10.1016/j.firesaf.2009.06.006 ISSN 0379-7112.
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Official URL: http://dx.doi.org/10.1016/j.firesaf.2009.06.006
Abstract
With the global move towards performance based fire design, fire safety assessment in and around buildings becomes increasingly important. However, key knowledge gaps still exist concerning the behavior of fire swirling, which may be generated if one or more accidental fires are in the passage of the vortices behind an adjacent tall building. The present study is focused on the experimental investigations of the burning behavior of two pool fires behind 1/50 scaled tall buildings with heights varying from 0.565 to 1.165 m in a cross-wind. The objective is to gain insight of the effect of the distance between the two fires (D2), the distance between the fires and the building (D1), wind speed (V), and the height of the scaled building (H) on the burning behavior. Important conclusions have been drawn about the influence of D1 and D2 on the fuel mass loss rate, the influence of D1 on fire swirling, the influence of D2 on the possible merging of the two fires and the effect of wind speed on the mass loss rate. The results suggested the existence of a critical velocity for the cross-wind on the initiation of fire swirling and an approximate value was identified for the conditions in the tests. The investigations also covered the effect of height of the scaled building on the fuel mass loss rate and the occurrence of fire swirling. This relationship was found to be also dependent on the wind speed. Analysis of the results has led to some important recommendations to enhance the fire protection of tall buildings.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | Fire Safety Journal | ||||
Publisher: | Pergamon | ||||
ISSN: | 0379-7112 | ||||
Official Date: | 2009 | ||||
Dates: |
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Volume: | Volume 44 | ||||
Number: | Number 7 | ||||
Page Range: | pp. 989-996 | ||||
DOI: | 10.1016/j.firesaf.2009.06.006 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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