Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/76183
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Title: Dependence of flame height of internal fire whirl in a vertical shaft on fuel burning rate in pool fire
Authors: Chow, WK 
Dang, JF
Gao, Y
Chow, CL
Issue Date: 5-Jul-2017
Source: Applied thermal engineering, 5 July 2017, v. 121, p. 712-720
Abstract: An internal fire whirl (IFW) was generated by a pool fire in a vertical shaft with appropriate ventilation provision at the wall. The flame height of the IFW was found to increase with the burning rate of the pool fire. Semi-empirical formula for flame height in the IFW was studied analytically in this paper using reported experimental data from full-scale burning tests. Burgers vortex theory was applied for dynamic and thermodynamic corrections. From the experimental data, a rotating flame height coefficient was introduced to modify the empirical formula for the flame height in the IFW. Effects of thermal radiation and fuel vaporization were included to modify the calculation of the fuel burning rate.
Keywords: Fire whirl
Flame height
Rotating flame height coefficient
Fuel burning rate
Burgers vortex theory
Full-scale burning test
Publisher: Pergamon Press
Journal: Applied thermal engineering 
ISSN: 1359-4311
EISSN: 1873-5606
DOI: 10.1016/j.applthermaleng.2017.04.108
Rights: © 2017 Elsevier Ltd. All rights reserved.
© 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
The following publication Chow, W. K., Dang, J. F., Gao, Y., & Chow, C. L. (2017). Dependence of flame height of internal fire whirl in a vertical shaft on fuel burning rate in pool fire. Applied Thermal Engineering, 121, 712-720 is available at https://doi.org/10.1016/j.applthermaleng.2017.04.108.
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