NDLI: Efficiency of water mist on fire suppression: A numerical study

Content Provider	IEEE Xplore Digital Library
Author	Sumon, S.M. Sang-Wook Lee
Copyright Year	2010
Description	Author affiliation: Institute of e-Vehicle Technology, University of Ulsan, South Korea (Sumon, S.M.) \|\| School of Mechanical and Automotive Engineering, University of Ulsan, South Korea (Sang-Wook Lee)
Abstract	Water mist fire suppression systems which use relatively small droplets of water with high injection pressure are increasingly being used in wider applications because of its greater efficiency, low flooding damage and low toxicity. However, the performance of the system significantly relies on the water mist characteristics and fire environment and it requires better understanding of fire suppression mechanism of water mist. In the present study, computational fluid dynamics simulations were carried out to investigate the interactions between water mists and fire fields. The gas phase was prepared with natural convection heat transfer model for incompressible ideal case and then the effects of water mist characteristics on cooling capabilities were numerically investigated upon the basis of the predetermined temperature field. For the simulation of water mist behavior, Lagrangian discrete phase model was employed by using a commercial code, FLUENT. Fire suppression efficiency based on different water mist characteristics such as droplet sizes, injection angles, water flow rates and fire types was investigated.
Starting Page	10
Ending Page	14
File Size	1305752
Page Count	5
File Format	PDF
ISBN	9781424490387
DOI	10.1109/IFOST.2010.5667900
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-13
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Water Fire suppression system Computational fluid dynamics Heating Force Fires Lagrangian discrete phase Water mist
Content Type	Text
Resource Type	Article

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