International journal of advanced smart convergence

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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Combustible Gas and Visible Distance by Sprinkler Head for Safety of Gymnasium Workers

  • Ahn, Jae-Cheon (Dept. of Fire and Disaster Prevention, Woosuk Univ.) ;
  • Kong, Ha-Sung (Dept. of Fire and Disaster Prevention, Woosuk Univ.)
  • Received : 2021.09.07
  • Accepted : 2021.09.13
  • Published : 2021.09.30
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Abstract

This study analyzed the changes in carbon monoxide, carbon dioxide, oxygen and visual distance by presence of sprinkler heads and their types in the event of a fire in an indoor gymnasium. Based on carbon monoxide and visual distance that affects human bodies enormously, first, if there is no sprinkler head, carbon monoxide will reach 0.4% within five seconds and visual distance rapidly shrank within five seconds. Seconds, in the event of standard sprinkler heads, carbon monoxide gradually increased from 30 seconds onwards and visual distance rapidly shrank after five seconds. Second, Third, if there are special sprinkler heads, carbon monoxide fluctuated after opening the head and visual distance became 5m or below from 15 seconds. Finally, in the event of early response sprinkler heads, carbon monoxide fluctuated up and down at 3 seconds due to falling water drops. Visual distance shrank up to 5m or below at 6 seconds. In the future, time for operation of each sprinkler head shall be analyzed.

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References

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