Huang, Xianjia, Wang, Yuhong, Zhu, He, He, Le, Tang, Fei and Wen, Jennifer X. (2021) Experimental study on the radiant heat flux of wall-attached fire plume generated by rectangular sources. International Journal of Thermal Sciences, 159 . 106605. doi:10.1016/j.ijthermalsci.2020.106605

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Abstract

Radiant heat flux of fire plume is an essential parameter indicating the hazards of a fire. In this work, fire experiments of a wall-attached fire with different aspect ratios were conducted. In addition, the effect of the sidewall on mean flame height and radiant heat flux of the rectangular fire was investigated. The sidewall causes a decrease in air entrainment; therefore, the mean flame height is observed to increase. The radiant heat flux increased owing to the increase in flame height and thermal radiation from the heated sidewall. Experimental results of the mean flame height are consistent with those predicted by an existing model. This validated the reliability of the experimental setup for a rectangular wall-attached fire. Furthermore, a model based on the increase in flame height and thermal radiation from the heated sidewall was developed to estimate the radiant heat flux from a rectangular wall-attached fire. The error in prediction was less than 15% for this model.

Item Type:	Journal Article
Subjects:	T Technology > TH Building construction
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Fire, Fire -- Mathematical models, Heat flux -- Research, Combustion, Flame spread, Fire prevention
Journal or Publication Title:	International Journal of Thermal Sciences
Publisher:	Elsevier
ISSN:	1290-0729
Official Date:	January 2021
Dates:	Date Event January 2021 Published 6 September 2020 Available 22 August 2020 Accepted
Date of first compliant deposit:	3 November 2020
Volume:	159
Article Number:	106605
DOI:	10.1016/j.ijthermalsci.2020.106605
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
RIOXX Funder/Project Grant:	Project/Grant ID RIOXX Funder Name Funder ID 2016YFC0800100 National Key Research and Development Program of China UNSPECIFIED 202002030124 Guangzhou Science and Technology Program key projects http://dx.doi.org/10.13039/501100004000 51776060 [NSFC] National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809

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