高压氢气安全储运和泄漏监测研究现状

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。

Current Status of Research on Safe Storage and Transportation of High-pressure Hydrogen and Leakage Monitoring

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.