[1]张鸿飞①,宋先钊①,周龙①,等.隧道环境下多组分气体爆炸特性的试验研究[J].爆破器材,2025,54(06):25-33.[doi:10.3969/j.issn.1001-8352.2025.06.004]
 ZHANG Hongfei,SONG Xianzhao,ZHOU Long,et al.Experimental Study on Explosion Characteristics of Multicomponent Gases in Tunnels[J].EXPLOSIVE MATERIALS,2025,54(06):25-33.[doi:10.3969/j.issn.1001-8352.2025.06.004]
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隧道环境下多组分气体爆炸特性的试验研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
54
期数:
2025年06
页码:
25-33
栏目:
爆炸材料
出版日期:
2025-12-09

文章信息/Info

Title:
Experimental Study on Explosion Characteristics of Multicomponent Gases in Tunnels
文章编号:
6027
作者:
张鸿飞宋先钊周龙邓树新卢浩李毅夏梦涛陈丹鹤
①南京理工大学安全科学与工程学院(江苏南京,210094)
②陆军工程大学爆炸冲击防灾减灾国家重点实验室(江苏南京,210007)
③东南大学土木工程学院(江苏南京,211189)
④南京理工大学机械工程学院(江苏南京,210094)
Author(s):
ZHANG Hongfei SONG Xianzhao ZHOU Long DENG Shuxin LU Hao LI Yi XIA Mengtao CHEN Danhe
① School of Safety Science and Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
② State Key Laboratory of Disaster Prevention and Mitigation of Explosion and Impact, Army Engineering University of PLA (Jiangsu Nanjing, 210007)
③ School of Civil Engineering, Southeast University (Jiangsu Nanjing, 211189)
④ School of Mechanical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
关键词:
隧道动力电池可燃气体障碍物爆炸超压
分类号:
TQ560. 7;X932
DOI:
10.3969/j.issn.1001-8352.2025.06.004
文献标志码:
A
摘要:
为解决隧道内新能源汽车动力电池热失控气体爆炸危险性研究不足的问题,采用小尺寸管道内多种气体爆炸模拟隧道内新能源汽车动力电池热失控气体泄漏爆炸事故,研究了直管内不同化学计量浓度的单组分、多组分可燃气体的爆炸特性以及不同堵塞率σBR、障碍物个数n0对爆炸特性的影响。模拟结果表明:在无障碍物的情况下,单组分可燃气体H2与空气的混合气体爆炸压力随着H2浓度的增加呈现先增大、后减小的趋势,φH2=60%时,压力最大,为705.7 kPa;在H2-CH4-空气混合气体中,爆炸压力随H2所占可燃气体的体积比X的增加呈现先增大、后减小的趋势,X=0.9时爆炸压力最大,为420.2 kPa。n0对不同H2浓度的混合气体的爆炸特性有不同的影响:φH2=20%且σBR保持不变的条件下,随着n0的增加,峰值压力表现出先上升、后下降的趋势;而在φH2=30%的情况下,峰值压力则持续上升;相对而言,在φH2达到50%时,峰值压力始终呈现下降趋势;φH2n0不变的情况下,随着σBR的增加,峰值压力出现下降的趋势。

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备注/Memo

备注/Memo:
收稿日期:2025-03-12
基金项目:江苏省自然科学基金青年基金(BK20230936);中交隧道工程局有限公司科研项目[X-GD-SS(S)-JIS-HTCJSD-A4-JS-002];江苏省卓越博士后项目(2024ZB339);中国博士后科学基金面上项目(2024M764225)
第一作者:张鸿飞(2002—),男,硕士,主要从事锂电池安全防护技术研究。E-mail: zhanghf01188@163.com
通信作者:宋先钊(1995—),男,博士,教授,主要从事多相爆炸与工程防护方面的研究。E-mail: songxianzhao@njust.edu.cn
更新日期/Last Update: 2025-12-09