基于气液两相流理论，建立了垂直上升管内液氮气液两相流动的一维均相流模型；
One-dimensional homogeneous model based on the gas-liquid two-phase flow theory was established.
在相似理论的指导下，通过对比分析氮气和天然气的物性，对液氮模拟液化天然气汽车冷能回收系统进行了相似模化分析。
Based on the theory of similarity, similar modeling analysis of the liquid nitrogen simulative cold energy recovery system of LNG is conducted.
在该制冷剂槽(11)中，低温侧上的液氮层(13)和室温侧上的氮气层(14)彼此相邻布置。
In the refrigerant container (11), a liquid nitrogen layer (13) on the cryogenic temperature side and a nitrogen gas layer (14) on the normal temperature side are arranged next to each other.
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