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- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received August 30, 2011
Accepted October 25, 2011
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright © KIChE. All rights reserved.
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An efficient methodology for evaluating the nozzle performance of water-based automatic fire extinguishers
Department of Fire Safety Engineering, College of Engineering, Jeonju University, 45, Baengma-gil, Jeonju 560-759, Korea
kokwon@jj.ac.kr
Korean Journal of Chemical Engineering, July 2012, 29(7), 908-912(5), 10.1007/s11814-011-0276-1
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Abstract
The performance of automatic fire extinguishers (AFE) was tested using a novel nozzle distribution test in relation to a point of visual approach. The visual nozzle distribution data was obtained from the mapping of the amount of the collected fire extinguishing agent to each position and the gradient was given in accordance with the visually collected amount. The results showed that the effective discharge time was determined by the nozzle structure and its size. The visual nozzle distribution test (VNDT) provided relevant information regarding the performance efficiency of AFE, including the nozzle coverage area, the effective amount of the fire extinguishing agent and the distribution uniformity of fire extinguishing agents, and calculations for the proper amount of a fire extinguishing agent to extinguish a fire. Consequently, the results indicate the VNDT is an excellent method for analyzing the performance efficiency of AFE.
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