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Citation |
Kang K. J. Fire Prot. Eng. 2006; 16(3): 159-181. |
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Affiliation |
Hatch Mott MacDonald, 475 Park Avenue South, 10th Floor, New York, NY 10016, USA, (kai.kang@hatchmott.com) |
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Copyright |
(Copyright © 2006, SAGE Publishing) |
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DOI |
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PMID |
unavailable |
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Abstract |
The purpose of this study is to examine critical ventilation velocity in a tunnel in the presence of an enclosure fire obstruction. The numerical model is first verified using experimental results from an enclosure fire in the absence of a tunnel and from a tunnel fire in the absence of an enclosure. For an enclosure fire within a tunnel, the impact of the enclosure obstruction is studied using numerical simulation and a critical velocity correlation. The results suggest that the correlation based on the hydraulic diameter of the annular area is better than that based on tunnel height. While further experimental validation is needed, such a correlation would be useful in practice. |