邵宝力^1,2,王淑彦¹,田瑞超¹,王旭¹,钟会影¹,赵健¹

• 1:东北石油大学 石油工程学院，黑龙江 大庆 163318
• 2:吉林化工学院 石油化工学院，吉林 吉林 132022

摘要(Abstract)：

采用格子Boltzmann方法对流体在孔隙介质内的渗流进行三维模拟研究。以球形颗粒作为孔隙介质骨架，用LBM格子来描述球形颗粒的大小和形状，颗粒边界用格线中点表示。流体和颗粒的相互作用通过格线反弹格式（Link Bounce-Back）实现。分析了孔隙介质内流体在Darcy区、弱惯性区和Forchheimer区的渗流规律，将模拟结果与渗流基本公式进行了对比，吻合较好，与文献中的实验结果、MRT模拟结果相符；分析了不同区域内流线随雷诺数的变化，随着惯性力的增加，流线形式随之改变，出现湍流涡，并逐渐长大、增多，最终覆盖整个孔隙空间；分析了惯性力和孔隙介质结构对雷诺应力的影响，雷诺应力随惯性力的增加而增加，并随着惯性力的增大，孔隙介质结构对雷诺应力的影响减小。

关键词(KeyWords)： 孔隙介质;格子Boltzmann方法;数值模拟;渗流理论;流动

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金（51876032）。

作者(Author): 邵宝力^1,2,王淑彦¹,田瑞超¹,王旭¹,钟会影¹,赵健¹

DOI: 10.3969/j.issn.1003-9015.2018.05.011

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