不同着火区域下玻璃窗背火面温度场特性研究

doi:10.16265/j.cnki.issn1003-3033.2026.02.0500

中国安全科学学报 ›› 2026, Vol. 36 ›› Issue (2): 209-217.doi: 10.16265/j.cnki.issn1003-3033.2026.02.0500

不同着火区域下玻璃窗背火面温度场特性研究

李治含¹(), 张国维¹^,²^,^**(), 王降雪¹, 于龙飞¹, 李俊毅³

¹ 中国矿业大学公共安全与消防研究所,江苏徐州 221116
² 中国矿业大学深圳研究院,广东深圳 518000
³ 中国安全生产科学研究院城市安全研究所,北京 100012

收稿日期:2025-10-19 修回日期:2025-12-20 出版日期:2026-02-28
通信作者:
^** 张国维(1987—),男,山东临沂人,博士,教授,主要从事城市火灾防护理论及城市应急救援技术方面的研究。E-mail: zgw119xz2@163.com。
作者简介:
李治含 (2000—),男,山东德州人,博士研究生,研究方向为高层建筑火灾防护及智慧消防。E-mail:austlizhihan@163.com。
基金资助:
国家重点研发计划课题(2022YFC3090503); 国家自然科学基金青年科学基金资助(52204245); 深圳市科技重大专项项目(KCXFZ20240903094204007); 江苏省自然科学基金面上项目资助(BK20221548)

Characteristics of temperature field on fire-unexposed surface of window glass under varying fire locations

LI Zhihan¹(), ZHANG Guowei¹^,²^,^**(), WANG Jiangxue¹, YU Longfei¹, LI Junyi³

¹ Institute of Public Safety and Fire Engineering, China University of Mining and Technology, Xuzhou Jiangsu 221116,China
² Shenzhen Research Institute, China University of Mining and Technology, Shenzhen Guangdong 518000,China
³ Urban Safety Institute, China Academy of Safety Science and Technology, Beijing 100012,China

Received:2025-10-19 Revised:2025-12-20 Published:2026-02-28

摘要/Abstract

摘要：

为解决高层建筑火灾着火区域定位难题,搭建全尺寸室内火灾试验平台并开展试验研究,探索基于玻璃窗背火面温度场的着火区域反演方法的可行性;通过改变着火区域的位置和热释放速率,获取玻璃窗背火面温度场和火场参数数据,研究室内不同着火区域条件下的玻璃窗背火面温度场特性。研究结果表明:不同着火区域条件下,较高位置、着火区域侧的玻璃展现出明显的升温速率优势;着火480 s后不同位置工况下玻璃背火面的温度不均匀系数均不小于33.52%,着火区域与窗距离的减小会提升背火面的温度不均匀系数;当热释放速率增大时,背火面各区域升温速率增幅的离散系数普遍超过10%,且该差异随热释放速率增大而扩大;当着火区域与窗的法向距离减小时,较高位置、着火区域侧的玻璃会有更高的升温速率增幅;当着火区域与窗的径向距离减小时,较高位置玻璃的升温速率增幅显著高于着火区域侧的玻璃。

关键词: 着火区域, 玻璃窗, 背火面, 温度场, 火灾试验

Abstract:

To address the challenge of locating the fire source in high-rise building fires, a full-scale indoor fire test platform was constructed and a series of tests were conducted to investigate the feasibility of inferring fire locations from the temperature field on the fire-unexposed surface of window glass in high-rise building fires. By varying the fire location and heat release rate, the temperature field on fire-unexposed surface and fire environment parameters were obtained, and the characteristics of fire-unexposed surface temperature field under different scenarios were analyzed. The results show that window glass regions at higher elevations and on the fire side exhibit significantly higher temperature rise rates under different fire location conditions. At 480 s after ignition, the temperature non-uniformity coefficient of fire-unexposed surface under different fire location conditions is not less than 33.52%, and reductions in the distance between fire location and window lead to a marked increase in the temperature non-uniformity coefficient on the fire-unexposed surface. With increasing heat release rate, the coefficient of variation of the increase in temperature rise rates across different glass regions on the fire-unexposed surface generally exceeds 10%, and this disparity becomes more pronounced with increasing heat release rate. When the normal distance between the fire location and the window decreases, window glass at higher elevations and on the fire side exhibits a greater increase in temperature rise rate. When the radial distance between the fire location and the window decreases, the increase in temperature rise rate at higher elevations is significantly greater than that on the fire side.

Key words: fire location, glass windows, fire-unexposed surface, temperature field, fire test

中图分类号:

X932爆炸安全与防火、防爆

李治含, 张国维, 王降雪, 于龙飞, 李俊毅. 不同着火区域下玻璃窗背火面温度场特性研究[J]. 中国安全科学学报, 2026, 36(2): 209-217.

LI Zhihan, ZHANG Guowei, WANG Jiangxue, YU Longfei, LI Junyi. Characteristics of temperature field on fire-unexposed surface of window glass under varying fire locations[J]. China Safety Science Journal, 2026, 36(2): 209-217.

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着火区域	木垛HRR	工况数
L1—L9	6层木垛	9
L5	4、6、8层木垛	3

不同着火区域下玻璃窗背火面温度场特性研究

Characteristics of temperature field on fire-unexposed surface of window glass under varying fire locations

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