Proceedings of the 2025 International Conference on Engineering Management and Safety Engineering (EMSE 2025)

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Failure Cause Analysis of High-Rise Residential Fire Alarms Based on Pyrosim Simulation

Authors
Tao Liu1, Ye Chen1, *, Jun Li1, Shuogui Zeng1, Fuwei He2, Zhenxi Liu3
1School of Mechanical Engineering, Sichuan University of Science & Engineering, No. 1, Baita Road, Sanjiang New Area, Yibin, Sichuan, China
2Luzhou Fire and Rescue department, Luzhou, Sichuan, China
3Yibin Fire and Rescue department, Yibin, Sichuan, China
*Corresponding author. Email: cy32428yr@suse.edu.cn
Corresponding Author
Ye Chen
Available Online 3 July 2025.
DOI
10.2991/978-94-6463-780-9_41How to use a DOI?
Keywords
fire alarm; high-rise residence; numerical simulation; ambient wind speed
Abstract

High-rise residential fires pose a significant threat to the life and property safety of residents. To address the issue of inadequate early feature recognition by photoelectric smoke alarms in current high-rise residential buildings, this study employs FDS simulation software Pyrosim to establish a typical high-rise residential room model. The effects of ambient wind speed and monitoring point height on dimming rate, room temperature distribution, and CO concentration are analyzed to identify the causes of fire alarm failures. Results indicate that as ambient wind speed increases, the time required for dimming rate, temperature, and CO concentration monitoring values to reach the alarm threshold significantly increases. Specifically, when the ambient wind speed is 10 m/s, the alarm times increase by 4.8, 1.45, and 1.76 times, respectively, compared to no wind conditions, which substantially diminishes the early warning capability of fire alarms. The findings of this study provide valuable insights for enhancing the safety of high-rise residential buildings and improving multi-sensor fusion warning systems for fire alarms in such structures.

Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the 2025 International Conference on Engineering Management and Safety Engineering (EMSE 2025)
Series
Advances in Engineering Research
Publication Date
3 July 2025
ISBN
978-94-6463-780-9
ISSN
2352-5401
DOI
10.2991/978-94-6463-780-9_41How to use a DOI?
Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Tao Liu
AU  - Ye Chen
AU  - Jun Li
AU  - Shuogui Zeng
AU  - Fuwei He
AU  - Zhenxi Liu
PY  - 2025
DA  - 2025/07/03
TI  - Failure Cause Analysis of High-Rise Residential Fire Alarms Based on Pyrosim Simulation
BT  - Proceedings of the 2025 International Conference on Engineering Management and Safety Engineering (EMSE 2025)
PB  - Atlantis Press
SP  - 452
EP  - 463
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-780-9_41
DO  - 10.2991/978-94-6463-780-9_41
ID  - Liu2025
ER  -