Squeeze flow of a Maxwell fluid between two parallel disks or two spheres

文献类型： 外文期刊

第一作者： Zheng, Zhaolin

作者： Zheng, Zhaolin;Chen, Xuedong;Liu, Xuhui;Xu, Yong;Huang, Wenbin;Xie, Haiou;Yang, Wei

作者机构： China Agr Univ, Coll Sci, Qinghua East Rd 17, Beijing 100083, Peoples R China;China Acad Launch Vehicle Technol, East Highland South Rd 1, Beijing 100076, Peoples R China;Chinese Acad Agr Mechanizat Sci Grp Co Ltd, Beishatan 1, Beijing 100083, Peoples R China

期刊名称：PHYSICS OF FLUIDS （ 2022影响因子：4.6； 五年影响因子：4.4 ）

ISSN： 1070-6631

年卷期： 2023 年 35 卷 8 期

页码：

收录情况： SCI

摘要： In this study, we investigated the squeeze flow of an upper convected Maxwell fluid between two rigid disks or spheres. It has been proved that the velocity field of the Maxwell squeeze flow between two disks is similar to Newtonian at low Deborah numbers. Based on the Newtonian fluid velocity field, we analyze the pressure distribution between two parallel disks and develop a theoretical model of normal squeeze force. We also use the same method to analyze the interaction between two nearly contacting, arbitrary rigid spheres. We obtained the analytical expression of the pressure distribution and normal squeeze force, which can be implemented into the contact model for the discrete element simulation of a wet particle system with the Maxwell fluid.

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