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화재용 중저압 물분무 노즐의 분무특성에 관한 연구A Study on Spray Characteristics of Water Mist Nozzle with Mid-low Pressure for Fire Suppression
- Issue Date
- 2003
- Publisher
- 한국안전학회
- Citation
- 한국안전학회지, v.18, no.1, pp 28 - 32
- Pages
- 5
- Journal Title
- 한국안전학회지
- Volume
- 18
- Number
- 1
- Start Page
- 28
- End Page
- 32
- ISSN
- 1738-3803
- Abstract
- The present study investigates the spray characteristics of water mist nozzle with mid-low pressure for fire suppression. The examined nozzle types are swirl and spiral nozzle. The result shows that K factor of water mist nozzle is much smaller than those of general sprinkler. Spray angle of spiral nozzle is largest and more than 150∘. SMD(Sauter Mean Diameter) of water mist nozzles is ranged between 100 and 200μm through measuring by image processing method. The spray pattern of spiral nozzle represent that water flux of first stream is 2 times larger than that of second stream. This study will contribute better understandings of the water-mist spray characteristics and useful data for developing the water-mist nozzles.
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Collections - College of Engineering > School of Mechanical Engineering > 1. Journal Articles
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