Journal
CASE STUDIES IN THERMAL ENGINEERING
Volume 14, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.csite.2019.100433
Keywords
T-shaped utility tunnel; Cable fire spread; FDS numerical simulation; Temperature field
Categories
Funding
- National Natural Science Foundation of China [51606215]
- National Key R&D Program of China [2016YFC0802900]
- China Postdoctoral Science Foundation [2017T100421, 2016M601917]
- Postdoctoral Science Foundation of Jiangsu Province [1601005C]
- Key Laboratory of Building Fire Protection Engineering and Technology of MPS [KFKT2016ZD03]
- Natural Science Foundation of Anhui Province [1608085QE113]
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With the rapid development of the economy, underground utility tunnel has become an important infrastructure and lifeline for major cities. Through the investigation of the fire form of the pipe gallery, it was found that the most dangerous fire in the underground utility tunnel is the integrated pipe gallery power cabin, which is mainly represented by cable fires. This paper mainly focuses on the special T-shaped structure of the underground pipe gallery. The FDS software is used to simulate the occurrence of cable fires, analyzing the temperature field change of the corridor and the temperature of the ceiling of the T-shaped corridor with the changing of the fire source power. The cable fire is how to spread at the T-junction. The situation results provide a certain reference for the actual fire extinguishing of underground T-shaped cable duct corridors.
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