With the purpose of revealing the inner link between the thermal characteristics and geometry of tank, the physical and mathematical models of waxy crude oil during static cooling process under different geometric sizes are established. Based on the data collected by numerical simulations, it concludes that the influence of geometry on temperature distribution occurred in the whole computational domain. There is a positive correlation between the computational domain temperature and geometric size, and the effect of geometry decrease with the increase of the geometric size. The effect of geometry on gelatinization layer thickness is similar. Based on partial correlation and grey relational analysis, the height has an important impact on proportion of gelled crude oil and transition state crude oil, while the radius has an important impact on proportion of pure liquid crude oil. Moreover, the detailed information of partial correlation coefficient and relevancy between geometry and phase change during the cooling process are obtained.

为了揭示储罐热特性与几何形状之间的内在联系，建立了蜡状原油在不同几何尺寸下静态冷却过程中的物理和数学模型。根据数值模拟收集的数据，得出结论，几何形状对温度分布的影响发生在整个计算域中。计算域温度与几何尺寸之间存在正相关关系，并且几何尺寸的影响随几何尺寸的增加而减小。几何形状对糊化层厚度的影响是相似的。基于偏相关和灰色关联分析，高度对胶凝原油和过渡态原油的比例有重要影响，而半径对纯液体原油的比例有重要影响。此外，获得了部分相关系数以及冷却过程中几何形状和相变之间的相关性的详细信息。