TY - GEN
T1 - The combination of fire extinguish system and local exhaust system in fume hood
AU - Lee, Shin-Ku
AU - Lin, S. Y.
AU - Ko, T. C.
AU - Teng, M. C.
PY - 2007/12/1
Y1 - 2007/12/1
N2 - Working with volatile chemicals creates numerous hazards for scientists in laboratory. Therefore, it is restricted to do such works in a fume hood, which is designed to draw fresh air from the room into the hood and then out into the ventilation system, in order to prevent the accidents happened. According to the laboratory fire incidents investigation, the authors observed that a fire occurred in fume hood will be a serious problem which has the potential to get much worse in the future as more and complex laboratories are used and as the hood usage density increase. In this paper, the authors conducted the numerical experiments by using 3D Computational Fluid Dynamics (CFD) method to evaluate the fire extinguish performance of CO 2 system in fume hood. The simulation results showed that the position of CO 2 nozzle, exhaust air volume, position of sash had a significant effect on fire extinguish in hood. The innovative hybrid system combined fire extinguish system and local exhaust system was designed to ensure the flow pattern in hood could be well-controlled to prevent the contaminant leakage from hood sash as the CO 2 system is activated.
AB - Working with volatile chemicals creates numerous hazards for scientists in laboratory. Therefore, it is restricted to do such works in a fume hood, which is designed to draw fresh air from the room into the hood and then out into the ventilation system, in order to prevent the accidents happened. According to the laboratory fire incidents investigation, the authors observed that a fire occurred in fume hood will be a serious problem which has the potential to get much worse in the future as more and complex laboratories are used and as the hood usage density increase. In this paper, the authors conducted the numerical experiments by using 3D Computational Fluid Dynamics (CFD) method to evaluate the fire extinguish performance of CO 2 system in fume hood. The simulation results showed that the position of CO 2 nozzle, exhaust air volume, position of sash had a significant effect on fire extinguish in hood. The innovative hybrid system combined fire extinguish system and local exhaust system was designed to ensure the flow pattern in hood could be well-controlled to prevent the contaminant leakage from hood sash as the CO 2 system is activated.
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UR - http://www.scopus.com/inward/citedby.url?scp=84863128822&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84863128822
SN - 9784861630705
T3 - IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment
SP - 725
EP - 733
BT - IAQVEC 2007 Proceedings - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings
T2 - 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings: Sustainable Built Environment, IAQVEC 2007
Y2 - 28 October 2007 through 31 October 2007
ER -
