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http://dx.doi.org/10.7731/KIFSE.2019.33.1.085

Fire Detection Performance Experiment of the Water Jet Nozzle Position Control Type Automatic Fire Extinguishing Facility for Road Tunnels  

Kim, Chang-Yong (Hyundai Infracore. Ltd. R&D Division)
Kong, Ha-Sung (Department of Fire and Disaster Prevention, Woosuk Univ.)
Publication Information
Fire Science and Engineering / v.33, no.1, 2019 , pp. 85-91 More about this Journal
Abstract
This study evaluated the fire detection performance of an automatic fire extinguishing system for road tunnels, which combines flame wavelength detection technology with flame image detection technology. This fusion technique to improve the fire detection capability can reduce the damage caused by the fire suppression by locating the fire source in the fire and discharging the pressurized water only at the fire source. Experiments were conducted to determine the position of a fire source when a $70cm{\times}70cm$ target was placed at a distance of 15 m, 20 m, 25 m, 30 m, and 35 m, respectively, in a situation where there is a flame and smoke in a tunnel. The performance of the ultraviolet and triple wavelength infrared (IR3) sensors was attenuated due to the interference of thick smoke. In addition when the flame was blocked by thick smoke, the image sensor sensed the smoke and emitted a fire signal.
Keywords
Road tunnel; Nozzle position control; UV/IR detector; Image analysis detection technology; Fire detection experiment;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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