A Study on the Mitigation of Threat Zones for Indoor Chlorine Release using Effective Leakage Areas of Building and Box Model 


Vol. 33,  No. 5, pp. 51-59, Oct.  2018
10.14346/JKOSOS.2018.33.5.51


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  Abstract

It is difficult to determine the outdoor toxic level of hazardous chemicals that are leaked in the building, since there are no efficient ways to calculate how much percentage of the leaked chemicals is released into the outdoor atmosphere. In address to these problems, we propose a reasonable box model that can quantitatively evaluate the mass rate of the indoor chlorine leakage into the outside of the building. The proposed method assumes that the indoor chlorine leakage is fully mixed with the indoor air, and then the mixture of the chlorine and indoor air is exfiltrated into the outside of the building through effective leakage areas of the building. It is found that the exfiltration rate of the mixture of the chlorine and indoor air is strongly dependent on the temperature difference between inside and outside the building than the atmospheric wind speed. As compared with a conventional method that uses a vague mitigation factor, our method is more effective to evaluate the outdoor toxic threat zone of the chlorine that are leaked in the building, because it can consider the degree of airtight of the building in the evaluation of the threat zone.

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  Cite this article

[IEEE Style]

곽솔림, 이은별, 최영보, "A Study on the Mitigation of Threat Zones for Indoor Chlorine Release using Effective Leakage Areas of Building and Box Model," Journal of the Korean Society of Safety, vol. 33, no. 5, pp. 51-59, 2018. DOI: 10.14346/JKOSOS.2018.33.5.51.

[ACM Style]

곽솔림, 이은별, and 최영보. 2018. A Study on the Mitigation of Threat Zones for Indoor Chlorine Release using Effective Leakage Areas of Building and Box Model. Journal of the Korean Society of Safety, 33, 5, (2018), 51-59. DOI: 10.14346/JKOSOS.2018.33.5.51.

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