Direct numerical simulations of particle sedimentation with heat transfer using the Lattice Boltzmann method

被引：9
|
作者：
Yang, Bo [1 ]
Chen, Sheng [1 ,2 ,3 ]
Liu, Kai [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, State Key Lab Coal Combust, Wuhan 430074, Peoples R China
[2] Univ Carlos III Madrid, Inst Modelling & Simulat Fluodynam Nanosci & Ind, Leganes 28911, Spain
[3] Univ Nottingham, Fac Engn, Univ Pk, Nottingham NG7 2RD, England
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2017年 / 104卷
基金：
中国国家自然科学基金; 英国工程与自然科学研究理事会;
关键词：
IMMERSED BOUNDARY METHOD; SPHERICAL-PARTICLES; THERMAL-CONVECTION; PARTICULATE FLOWS; NEWTONIAN FLUID; SPHERES; EQUATION; SUSPENSIONS; DISPERSION; DYNAMICS;
D O I：
10.1016/j.ijheatmasstransfer.2016.08.032
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In most realistic gas-solid flow, the difference of particles' temperature is significant. The heat transfer induced by temperature difference between particles will influence the behavior of gas-solid flow critically. In order to deepen our insights into this important topic, in this work three typical cases: (1) double hot particles, (2) double cold particles, and (3) one hot and one cold particle, are investigated with the aid of direct numerical simulation of the Lattice Boltzmann method. A comprehensive comparison is carried out between them and some new interesting phenomena are observed. Our results show that thermal convection between particles will influence their behaviors significantly. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：419 / 437
页数：19
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