The effects of particle concentration and various fluxes on the flow of a fluid-solid suspension

被引：5

作者：

Li, Yubai ^{[1
]}

Wu, Wei-Tao ^{[2
]}

Liu, Xianglei ^{[3
]}

Massoudi, Mehrdad ^{[4
]}

机构：

[1] Carnegie Mellon Univ, Dept Mech Engn, Pittsburgh, PA 15213 USA

[2] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Jiangsu, Peoples R China

[3] Nanjing Univ Aeronaut & Astronaut, Sch Energy & Power Engn, Nanjing 210016, Jiangsu, Peoples R China

[4] US DOE, NETL, Pittsburgh, PA 15236 USA

来源：

APPLIED MATHEMATICS AND COMPUTATION | 2019年 / 358卷

关键词：

Fluid-solid suspension; Particle flux; Non-linear fluid; Compactness; Rheology; HEAT-TRANSFER; VISCOSITY; MIXTURE; MODEL;

D O I：

10.1016/j.amc.2019.04.017

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We study the flow of a fluid-solid mixture as a non-linear complex fluid. We suggest a new flux term for representing the particle compactness and motion. This flux term becomes important as the local particle concentration approaches the maximum packing value. We then study a representative problem, namely flow in a pipe, with various flow conditions. From the simulation results, we observe that the new proposed flux term can limit (constrain) the particle concentration to be less than the critical volume fraction. Published by Elsevier Inc.

引用

页码：151 / 160

页数：10

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