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A simplified model for the shielding of fire thermal radiation by water mists
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Dombrovsky, Leonid A., Dembele, Siaka and Wen, Jennifer X. (2016) A simplified model for the shielding of fire thermal radiation by water mists. International Journal of Heat and Mass Transfer, 96 . pp. 199-209. doi:10.1016/j.ijheatmasstransfer.2016.01.028 ISSN 0017-9310.
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Official URL: http://dx.doi.org/10.1016/j.ijheatmasstransfer.201...
Abstract
A solution for the complete problem of attenuation of fire radiation by water mist is presented. This solution is based on simplified approaches for the spectral radiative properties of water droplets, the radiative transfer in the absorbing and scattering mist, and transient heat transfer taking into account partial evaporation of water mist. A computational study of the conventional model problem indicates the role of the main parameters and enables one to formulate some recommendations to optimize possible engineering solutions. The method developed is also applied to more realistic case study of a real fire. It is suggested to decrease the size of supplied water droplets with the distance from the irradiated surface of the mist layer. The advantage of this engineering solution is confirmed by numerical calculations. Potential possibility of microwave monitoring of water mist parameters is analyzed on the basis of Mie theory calculations.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||||
Journal or Publication Title: | International Journal of Heat and Mass Transfer | ||||||||||
Publisher: | Pergamon-Elsevier Science Ltd. | ||||||||||
ISSN: | 0017-9310 | ||||||||||
Official Date: | May 2016 | ||||||||||
Dates: |
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Volume: | 96 | ||||||||||
Page Range: | pp. 199-209 | ||||||||||
DOI: | 10.1016/j.ijheatmasstransfer.2016.01.028 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||
Funder: | Royal Academy of Engineering (Great Britain) |
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