Entropy generation of nanofluid in presence of magnetic field using Lattice Boltzmann Method

被引：260
|
作者：
Sheikholeslami, Mohsen [1 ]
Ganji, Davood Domiri [1 ]
机构：
[1] Babol Univ Technol, Dept Mech Engn, Babol Sar, Iran
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2015年 / 417卷
关键词：
Magnetohydrodynamic; Nanofluid; Entropy generation; Natural convection; Heat transfer; Lattice Boltzmann Method; CONVECTION HEAT-TRANSFER; ROTATING POROUS DISK; NATURAL-CONVECTION; NUMERICAL-SIMULATION; VISCOUS DISSIPATION; BROWNIAN-MOTION; FLOW; MHD; ENCLOSURE; CYLINDER;
D O I：
10.1016/j.physa.2014.09.053
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper magnetohydrodynamic free convection flow of CuO-water nanofluid in a square enclosure with a rectangular heated body is investigated numerically using Lattice Boltzmann Method (LBM) scheme. The effective thermal conductivity and viscosity of nanofluid are calculated by KKL (Koo-Kleinstreuer-Li) correlation. The influence of pertinent parameters such as Hartmann number, nanoparticle volume fraction and Rayleigh number on the flow, heat transfer and entropy generation have been examined. The results show that the heat transfer rate and Dimensionless entropy generation number increase with increase of the Rayleigh number and nanoparticle volume fraction but it decreases with increase of the Hartmann number. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：273 / 286
页数：14
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