压缩空气储能与氢能耦合系统的研究进展
李欣, 韦古强, 强同波, 郑刚基, 陈六彪, 季伟

Research Progress on Compressed Air Energy Storage and Hydrogen Energy Coupling Systems
Xin LI, Guqiang WEI, Tongbo QIANG, Gangji ZHENG, Liubiao CHEN, Wei JI
表2 氢气和甲烷的热物理性质和化学性质
Tab. 2 Thermophysical and chemical properties of hydrogen and methane
项目比重热扩散系数/(mm2⋅s-1)动量扩散系数/(mm2⋅s-1)空气中质量扩散系数/(mm2⋅s-1)质量低热值/(MJ⋅kg-1)

体积低热值/

(MJ⋅m-3)

氢气0.07153.26105.7778.79119.9310.05
甲烷0.5523.6916.8123.9850.0233.36
项目自燃温度/K空气中可燃极限体积分数/%空气中最小点火能/mJ空气中最高绝热火焰温度/K

空气中最大层流火焰

速度/(cm⋅s-1)

氢气8584~750.022 376306
甲烷8135.3~150.292 22337.6