Pressure and evaporation rate in a closed LNG tank

被引：0

作者：

Li, Yuxing ^{[1
]}

Wang, Wuchang ^{[1
]}

Qiao, Guofa ^{[1
]}

Feng, Shuchu ^{[1
]}

机构：

[1] College of Storage and Transportation Engineering, University of Petroleum, Qingdao 266555, Shandong, China

来源：

Huagong Xuebao/CIESC Journal | 2010年 / 61卷 / 05期

关键词：

Closed storage tanks - Evaporation rate - Experimental conditions - Filling rate - Gas-liquid interface - LNG storage - Maximum temperature differences - Nonuniform temperature;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Experiments on the tank pressure, evaporation volume and evaporation rate were carried out in a closed tank with LNG (liquefied natural gas). The results show that there exists a non-uniform temperature field, where the temperature in gas phase is higher than that at gas-liquid interface, and the temperature at gas-liquid interface is higher than that in the bulk phase of liquid. Under the experimental conditions, the maximum temperature difference among the above three parts is about 2-3°C when the initial filling rate is 0.475. There exits a critical initial filling rate. When the initial filling rate is lower than the critical value, the daily evaporation volume and evaporation rate increase with time; when the initial filling rate is larger than the critical value, they first increase with time and then decrease.

引用

页码：1241 / 1246

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