摘要
研究氢气泄漏引发的大气、土壤等环境介质的温变机理,对于提高氢气泄漏监测效率具有重要意义。总结氢气储运现状和面临的主要问题,提出保障氢气输送安全的技术措施和监控策略。结合相关工程实践和理论研究成果,对氢气泄漏的特点、扩散特性、燃爆机理及影响因素进行总结。运用数值仿真模拟高压氢气经过泄漏孔后在大气或土壤中的扩散过程,预测氢气泄漏事故的影响范围,为储运工艺设计、管理优化、安全监测提供指导。
The mechanism of temperature change in the atmosphere,soil and other environmental media caused by hydrogen leakage is studied,which is of great significance for improving the efficiency of hydrogen leakage monitoring.The current situation of hydrogen storage and transportation and the main problems faced is summarized,and technical measures and monitoring strategies are put forward to ensure the safety of hydrogen delivery.Combined with relevant engineering practice and theoretical research results,the characteristics of hydrogen leakage,diffusion characteristics,ignition and explosion mechanisms and influencing factors are summarized.Numerical simulation is used to simulate the diffusion process of high-pressure hydrogen in the atmosphere or soil after passing through the leakage hole,predict the impact range of hydrogen leakage accidents,and provide guidance for the design of storage and transportation processes,management optimization,and safety monitoring.
作者
李刚
林晓晖
曾科宏
王飞
杨文明
LI Gang;LIN Xiaohui;ZENG Kehong;WANG Fei;YANG Wenming(China Petroleum Pipeline Telecom&Electricity Engineering Co.,Ltd.,Langfang 065000,Hebei,China)
出处
《科技和产业》
2024年第13期226-232,共7页
Science Technology and Industry
关键词
高压氢气储运
泄漏特点
数值仿真
负节流效应
监测技术
high-pressure hydrogen storage and transportation
leakage characteristics
numerical simulation
negative throttling effect
monitoring techniques
