[1]褚福涛,范韬,马云龙.尺寸效应对隧道内氢气爆燃特性的影响研究*[J].中国安全生产科学技术,2025,21(9):107-116.[doi:10.11731/j.issn.1673-193x.2025.09.014]
CHU Futao,FAN Tao,MA Yunlong.Study on the impact of size effects on hydrogen deflagration characteristics in tunnels[J].Journal of Safety Science and Technology,2025,21(9):107-116.[doi:10.11731/j.issn.1673-193x.2025.09.014]
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尺寸效应对隧道内氢气爆燃特性的影响研究*
CHU Futao,FAN Tao,MA Yunlong.Study on the impact of size effects on hydrogen deflagration characteristics in tunnels[J].Journal of Safety Science and Technology,2025,21(9):107-116.[doi:10.11731/j.issn.1673-193x.2025.09.014]
《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]
- 卷:
- 21
- 期数:
- 2025年9期
- 页码:
- 107-116
- 栏目:
- 职业安全卫生管理与技术
- 出版日期:
- 2025-09-30
文章信息/Info
- Title:
- Study on the impact of size effects on hydrogen deflagration characteristics in tunnels
- 文章编号:
- 1673-193X(2025)-09-0107-10
- 分类号:
- X932
- 文献标志码:
- A
- 摘要:
- 为了探究尺寸效应对隧道内预混氢气爆燃特性影响，基于数值模拟构建多尺度隧道模型，探讨隧道尺度对火焰传播、温度分布及超压演变规律影响。研究结果表明：火焰范围与隧道长度呈线性关系，不同尺度隧道内最大温度和超压峰值无量纲分布高度相似。随着隧道尺度增大，火焰加速模式和最大火焰传播速度出现显著差异，理论分析指出不同尺度隧道内氢气消耗速率与爆燃火焰间耦合差异为导致上述差异关键因素。研究结果可为将缩比模型实验扩展至真实场景提供理论参考。
- Abstract:
- In order to investigate the impact of size effects on the characteristics of premixed hydrogen deflagration in tunnels,multi-scale tunnel models were constructed based on numerical simulations to explore the influence of tunnel scale on flame propagation,temperature distribution,and overpressure evolution.The results indicate that the flame extension exhibits a linear relationship with the tunnel length,while the dimensionless distributions of maximum temperature and overpressure peak are highly similar across tunnels of different scales.Significant divergence emerges in flame acceleration modes and maximum flame propagation velocity as tunnel scale increases,with theoretical analysis identifying coupling differences between hydrogen consumption rate and deflagration flames at different tunnel scales as the key mechanism.These findings provide theoretical references for extending scaled-down model experiments to real-world scenarios.
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备注/Memo
- 备注/Memo:
-
收稿日期： 2025-07-14
* 基金项目： 国家自然科学基金青年基金项目(52404198)
作者简介： 褚福涛，本科，高级工程师，主要研究方向为建筑消防、防火监督、火灾调查。
通信作者： 范韬，博士，工程师，主要研究方向为合成材料、锂电池安全。
