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Directional Water Spray Characteristics of Sprinkler Heads  

Park Yong-Hwan (호서대학교 소방학과)
Publication Information
Fire Science and Engineering / v.18, no.4, 2004 , pp. 35-41 More about this Journal
Abstract
The water spray characteristics of the sprinkler heads is a very important factor affecting the fire suppression performance, and it is largely dependent on the shape of the head nozzle. This study investigated shape factors and spray distribution performances for the sprinkler heads of four domestic companies with big market shares. The experimental results revealed that all flow constants exceeded the required regulation limits, however showed big differences between head types although they have the same design limit. They were however relatively consistent regardless of the pressure increases. The spray distribution of some head samples showed severe directional eccentricity, which suggests more study for the improvement.
Keywords
Springkler head; Water spray; Directional eccentricity;
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