A Review of Water Mist Fire Suppression Technology: Part II-Application Studies

Liu, Zhigang; Kim, Andrezza Kyunmi

doi:10.1106/mmgh-xuag-hp5b-ytdg

Cited by 64 publications

(55 citation statements)

References 7 publications

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“…Compared to other types of fire, the fire size associated with the electric equipment is relatively small [10]. The primary concern in using a portable water mist extinguisher for firefighting is that the discharge of water mist toward energized targets may produce a shock hazard to the user.…”

Section: Class C Fire Scenarios and Measurementsmentioning

confidence: 99%

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A study of portable water mist fire extinguishers used for extinguishment of multiple fire types

Liu¹,

Kim²,

Carpenter³

2007

Fire Safety Journal

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/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.1016/j.firesaf. 2006.06.008 Fire Safety Journal, 42, pp. 25-42, 2007-01-01 ABSTRACTThis paper describes both theoretical and experimental studies on the application of a portable water mist extinguisher in suppressing multiple fire types. Two prototype portable water mist fire extinguishers were developed and their feasibility in extinguishing flammable liquid, cooking oil and wood crib fires, and for use in fires associated with an energized target was investigated. The interaction between water mist and the fire plume was studied by analyzing the instantaneous process of fire extinction, and fire and fuel temperature profiles. Both theoretical analysis and experimental results showed that the extinguishing mechanisms and process as well as water mist characteristics required (such as water flux density, droplet size and spray coverage) change with the types of fires encountered. The portable water mist extinguisher with appropriate mist characteristics was able to extinguish multiple fire types.Key Words: water mist, portable extinguisher, multiple fire types and fire suppression.

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Section: Class C Fire Scenarios and Measurementsmentioning

confidence: 99%

“…Water mist systems, according to their applications, can be distinguished into three types: total compartment application (TCA), local application (LA) and zoned application (ZA) systems [10]. For a TCA system, water is discharged from all nozzles distributed throughout the compartment.…”

Section: Introductionmentioning

confidence: 99%

A study of portable water mist fire extinguishers used for extinguishment of multiple fire types

Liu¹,

Kim²,

Carpenter³

2007

Fire Safety Journal

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“…Fresh cooking oil was introduced into the pan and then heated continuously at [3][4][5] o C/min until it auto-ignited. After the flame had spread over the whole oil surface, the fire was allowed to burn freely for 30 s, which ensures that there is sufficient time for people to evacuate from the oil cooker before the activation of a suppression system, according to requirement of the test protocol [1].…”

Section: Test Facility and Proceduresmentioning

confidence: 99%

“…Water mist that consists of small water droplets (D v99 < 1000 µm) has been used to successfully extinguish various types of fires [3][4][5] as well as cooking oil fires in a commercial deep fat fryer without causing significant fire flare-up and re-ignition [6]. However, no research on usage of fine water mist against large cooking oil fires associated with the industrial oil cookers has been reported.…”

Section: Introductionmentioning

confidence: 99%

Application Of Water Mist To Extinguish Large Oil Pool Fires For Industrial Oil Cooker Protection

Liu¹,

Carpenter²,

Kim³

2005

Fire Safety Science - Proceedings of the Eigth International Sy

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Large oil fires occurring in industrial oil cookers are very challenging to extinguish due to their size and the large amount of hot oil involved. This paper reports a study to use water mist for large industrial oil cooker protection. The extinguishing mechanisms of water mist and corresponding criteria required for extinguishing large pool cooking oil fires were investigated both theoretically and experimentally. Based on the extinguishing mechanisms and required criteria, two water mist systems were developed in the present work. A series of full-scale fire tests were conducted in a large industrial oil cooker mock-up. The study showed that the two water mist systems presently developed worked effectively to extinguish large cooking oil fires and prevented them from re-igniting. Their extinguishing performance was determined by the type of water mist system, discharge pressure and hood position in the oil cooker.

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“…Over the last decade, water mist suppression systems have been used to replace halons for the protection of machinery spaces, ships and electronic equipment [13][14][15]. Water mist has also been used for applications where traditional technologies have not been effective [16,17]. For example, water mist fire suppression systems are used to extinguish flammable liquid fires that conventional sprinkler systems cannot extinguish due to splashing and spillage of the fuel.…”

Section: Introductionmentioning

confidence: 99%

Extinguishment of Cooking Oil Fires by Water Mist Fire Suppression Systems

et al. 2004

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/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.1023/B:FIRE. 0000039161.18616.86 Fire Technology, 40, 4, pp. 309-333, 2004-10-01 ABSTRACTA series of full-scale experiments were conducted in a mock-up commercial cooking area to study extinguishing mechanisms and effectiveness of water mist against cooking oil fires. The impact of water mist characteristics, such as spray angle, droplet size, flow rate, discharge pressure and type of nozzle, on the effectiveness of water mist against cooking oil fires was investigated. A series of oil splash experiments were also conducted to determine if the oil was splashed by water mist. In addition, the change in oil composition during heating and fire suppression was determined using Fourier Transform Infrared (FTIR) technique.The study showed that cooking oil fires were very difficult to extinguish, because they burned at high temperature and re-ignited easily due to changes in oil composition during heating and fire suppression. The water mist systems developed in the present work effectively extinguished cooking oil fires and prevented them from re-ignition. The spray angle, discharge pressure, and water flow rate were important factors to determine the effectiveness of water mist in extinguishing cooking oil fires.

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A Review of Water Mist Fire Suppression Technology: Part II-Application Studies

Abstract: /npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at

Cited by 64 publications

References 7 publications

A study of portable water mist fire extinguishers used for extinguishment of multiple fire types

A study of portable water mist fire extinguishers used for extinguishment of multiple fire types

Application Of Water Mist To Extinguish Large Oil Pool Fires For Industrial Oil Cooker Protection

Extinguishment of Cooking Oil Fires by Water Mist Fire Suppression Systems

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