|本期目录/Table of Contents|

[1]李伟东,陈明哲,李玉,等.基于热-结构耦合分析的液化石油气储罐失效预警判定*[J].中国安全生产科学技术,2021,17(2):91-97.[doi:10.11731/j.issn.1673-193x.2021.02.014]
　LI Weidong,CHEN Mingzhe,LI Yu,et al.Failure warning determination of liquefied petroleum gas storage tank based on thermal-structural coupling analysis[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(2):91-97.[doi:10.11731/j.issn.1673-193x.2021.02.014]
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基于热-结构耦合分析的液化石油气储罐失效预警判定*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年2期
页码:
91-97
栏目:
职业安全卫生管理与技术
出版日期:
2021-02-28

文章信息/Info

Title:
Failure warning determination of liquefied petroleum gas storage tank based on thermal-structural coupling analysis
文章编号:
1673-193X(2021)-02-0091-07
作者:
李伟东; 陈明哲; 李玉; 韩帅
(1.中国人民警察大学，河北 廊坊 065000；
2.东营市消防救援支队，山东 东营 257000；
3.德州市消防救援支队，山东 德州 253000）
Author(s):
LI Weidong;  CHEN Mingzhe;  LI Yu;  HAN Shuai
(1.China People’s Police University,Langfang Hebei 065000,China;
2.Dongying Fire Rescue Detachment,Dongying Shandong 257000,China;
3.Dezhou Fire Rescue Detachment,Dezhou Shandong 253000,China)
关键词:
池火灾; 液化石油气球罐; 热力学响应; 失效判定
Keywords:
pool fire;  liquefied petroleum gas (LPG) spherical tank;  thermodynamic response;  failure determination
分类号:
X937
DOI:
10.11731/j.issn.1673-193x.2021.02.014
文献标志码:
A
摘要:
为研究火灾中球罐应力场分布情况，找到球罐失效破裂条件，以液化石油气为研究对象，基于球罐稳态热响应，通过ANSYS热-结构耦合有限元分析法进行研究。结果表明：充装率85%的液化石油气球罐最高温度部位出现在气相区，约619.66 ℃；最大应力值出现在气液交界处，约615.18 MPa；得到球罐破裂失效时温度值和应力值，并设置2次预警值。研究结果可为液化石油气储罐失效预警提供参考和判定依据。
Abstract:
Taking the LPG spherical tank in the pool fire environment as the research object,based on the steadystate thermal response of spherical tank,the ANSYS thermal-structural coupling finite element analysis method was used to study the stress field distribution of spherical tank in the fire and find the failure and rupture conditions of spherical tank.The results showed that the highest temperature of LPG spherical tank with a filling rate of 85% occurred at the gas phase zone,which was about 619.66 ℃.The maximum stress value appeared at the location of gasliquid junction,about 615.18 MPa.On this basis,the temperature and stress values at the failure and rupture time of spherical tank were obtained,and the two warning values were set.The experimental results in this paper can provide certain data reference and judgment basis for the failure warning of LPG storage tanks.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2020-07-03
* 基金项目： 国家重点研发计划项目(2016YFC0800609)；中国人民警察大学博士科研创新计划项目(BSKY2018001)；中国人民警察大学国家自然基金培育课题项目（ZKJJPY201805）
作者简介： 李伟东，博士，讲师，主要研究方向为消防工程、消防材料、灭火与应急救援技术。
通信作者： 李玉，博士，副教授，主要研究方向为消防工程、机械设计、灭火与应急救援技术。
更新日期/Last Update: 2021-03-11