Research on Numerical Simulation of Fire in the Back Hall of Yangxin Hall of the Palace Museum Based on FDS

LIU Jinzhou; DU Haijiang; WANG Bo; LI Yue

doi:10.13204/j.gyjzG22031003

Volume 53 Issue 6

Jun. 2023

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LIU Jinzhou, DU Haijiang, WANG Bo, LI Yue. Research on Numerical Simulation of Fire in the Back Hall of Yangxin Hall of the Palace Museum Based on FDS[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(6): 171-180. doi: 10.13204/j.gyjzG22031003

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Research on Numerical Simulation of Fire in the Back Hall of Yangxin Hall of the Palace Museum Based on FDS

doi: 10.13204/j.gyjzG22031003

Palace Museum, Beijing 100009, China

Received Date: 2022-03-10
Available Online: 2023-08-18

Abstract

Abstract

In order to provide data support for the fire protection work of the Back Hall of Yangxin Hall (hereinafter referred to as the Back Hall), and provide useful guidance for the fire safety management of ancient wooden structures in China, the fixed fire load value of the Back Hall was counted, and the FDS software was used to simulate and analyze the changes of heat release rate, fire spread, temperature, visibility, smoke and toxic and harmful gas concentration under different disaster causing factors. The results showed that the fixed fire load value of the Back Hall was 11 096.85 MJ·m^-2. The flashover time in the fire scenario was short, and secondary flashover would occur in the process. The roof was the most threatened by the fire. The temperature and toxic and harmful gas concentration in the fire site exceeded the safe bearing range of the human body. The evacuation of movable cultural relics was greatly affected by smoke and visibility, and the opening and closing status of windows had a great impact on the development of the fire. Based on the research results, the paper put forward countermeasures and suggestions for the fire safety management of the Back Hall.
- ancient building,
- Yangxin Hall,
- fire numerical simulation,
- FDS,
- fire safety management

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References

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