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워터미스트 작동에 의한 산소저공급 실내화재 특성 변화에 대한 수치해석 연구Numerical study on the change in fire characteristic as operating water-mist in under-ventilated compartments
- Issue Date
- 2008
- Publisher
- 한국액체미립화학회
- Keywords
- Compartment fires; Heat release rate; under-ventilated fires; water-mist; 공간 화재; 발열량; 산소저공급 화재; 워터미스트
- Citation
- 한국액체미립화 학회지, v.13, no.3, pp 156 - 161
- Pages
- 6
- Journal Title
- 한국액체미립화 학회지
- Volume
- 13
- Number
- 3
- Start Page
- 156
- End Page
- 161
- ISSN
- 1226-2277
- Abstract
- The present article reports a numerical study on the fire characteristic change by water-mist in under-ventilated compartments. The natural gas and heptane pool fires are used as fire sources, which are located in the bottom center of the 2/5 reduced-scaled model of the ISO 9705 standard room. The fire modeling using the FDS (Fire Dynamics Simulator) is validated by comparison with previously published experimental results. For temperature and combustion gas concentrations at two positions located in the upper layer of compartment, the predicted results with and without water-mist are compared each other. The results show that under the water-mist operation, the predicted temperature and carbon monoxide concentration reduce as 300 ~ 400 °C and about 20%, respectively, compared to those without water-mist.
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Collections - College of Engineering > School of Mechanical Engineering > 1. Journal Articles
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