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系列化中国标准地铁主要部件对车辆火灾热释放速率的影响研究
Study on influence of main components of serialized China standard metro train on vehicle fire heat release rate
- 机车电传动 2022年第2期 页码：15-20
- 作者机构：
1.中车长春轨道客车股份有限公司，吉林 长春 130062
2.中车大连机车有限公司，辽宁 大连 116000
3.西南交通大学，四川 成都 610031
- 作者简介：
孙 勇(1981—)，男，硕士，教授级高级工程师，主要从事轨道车辆防火设计、防火试验、防火仿真计算技术研究； E-mail：sunyong1@crrcgc.cc
- 基金信息：国家重大技术装备攻关工程项目（系列化中国标准地铁列车研制及试验）;中国中车重大科技研究开发计划项目(2020CCA093)
DOI：10.13890/j.issn.1000-128X.2022.02.003
中图分类号： U231+.96纸质出版日期：2022-03-10，
收稿日期：2022-02-11，
- 稿件说明：
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孙勇, 田鑫, 刘彦彤, 等. 系列化中国标准地铁主要部件对车辆火灾热释放速率的影响研究[J]. 机车电传动, 2022,(2):15-20.
SUN Yong, TIAN Xin, LIU Yantong, et al. Study on influence of main components of serialized China standard metro train on vehicle fire heat release rate[J]. Electric drive for locomotives, 2022,(2):15-20.
孙勇, 田鑫, 刘彦彤, 等. 系列化中国标准地铁主要部件对车辆火灾热释放速率的影响研究[J]. 机车电传动, 2022,(2):15-20. DOI： 10.13890/j.issn.1000-128X.2022.02.003.
SUN Yong, TIAN Xin, LIU Yantong, et al. Study on influence of main components of serialized China standard metro train on vehicle fire heat release rate[J]. Electric drive for locomotives, 2022,(2):15-20. DOI： 10.13890/j.issn.1000-128X.2022.02.003.
摘要
随着社会经济发展，地铁车辆已成为我国现代交通的重要基础设施。热释放速率是轨道交通车辆防火设计、火灾安全评估和隧道通风系统设计的重要参数，然而现有地铁列车火灾燃烧特性的研究结果并不能反映出车内主要部件对火灾热释放速率的影响。为了有效地对地铁列车结构和防火设计提供指导，基于系列化中国标准地铁列车实际结构，根据材料燃烧试验测试得到的车内非金属可燃材料的燃烧特性参数，建立车辆火灾的数值计算模型，通过数值计算方法模拟采用不同燃烧特性材料时的车内火灾蔓延过程，对比分析顶板、侧墙、座椅和地板4种车内主要部件对车辆火灾热释放速率的影响。研究表明，地铁车厢内主要部件对热释放速率的影响程度与火灾蔓延顺序、部件空间位置有关，影响程度由大到小依次为顶板、侧墙、座椅、地板。
Abstract
With the development of society and economy
subway vehicles have also become an important infrastructure of modern transportation in China. The heat release rate is an important parameter in the fire protection design
fire safety assessment and tunnel ventilation system design of rail transit vehicles. However
the existing research on the fire combustion characteristics of subway trains cannot reflect the influence of the main components in the vehicle on the fire heat release rate. In order to effectively provide guidance for subway train structure and fire protection design
a numerical calculation model of vehicle fire was established based on the actual structure of serialized Chinese standard metro trains and the combustion characteristic parameters of non-metallic combustible materials in the vehicle were measured by material combustion experiments. Numerical calculation method was used to calculate the fire spread process in the car when the main components of the car were made of materials with different combustion characteristics
and the effects of the four main components of the roof
side walls
seats and floor on the fire heat release rate of the car were compared and analyzed. The research shows that the influence of the main components in the subway car on the heat release rate is related to the order of fire spread and the spatial position of the components
and the influence degree is the roof
side wall
seat and floor.
关键词
中国标准地铁防火设计热释放速率列车部件燃烧特性数值计算数值模拟
Keywords
China standard metro trainfire protection designheat release ratetrain componentscombustion characteristicsnumerical calculationnumerical simulation
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