Effect of electric field on hydrothermal behavior of nanofluid in a complex geometry

被引:125
作者
Sheikholeslami, M. [1 ]
Soleimani, Soheil [2 ]
Ganji, D. D. [1 ]
机构
[1] Babol Univ Technol, Dept Mech Engn, Babol Sar, Iran
[2] Florida Int Univ, Dept Mech & Mat Engn, Miami, FL 33199 USA
关键词
Electric field; Nanofluid; Joule heating; CVFEM; Sinusoidal wall; CONVECTION HEAT-TRANSFER; LATTICE BOLTZMANN METHOD; NATURAL-CONVECTION; ROTATING SYSTEM; SEMI-ANNULUS; AL2O3-WATER NANOFLUID; TRANSFER ENHANCEMENT; POROUS-MEDIA; MHD FLOW; SIMULATION;
D O I
10.1016/j.molliq.2015.11.015
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Electric field effect on nanofluid forced convective heat transfer in an enclosure with sinusoidal wall is presented. Control Volume based Finite Element Method (CVFEM) is utilized to simulate this problem. Fe3O4-ethylene glycol nanofluid is used as working fluid. Numerical investigations are conducted for several values of Reynolds number, nanoparticle volume fraction and supplied voltage, Results show that supplied voltage can change the flow shape. Coulomb force causes isotherms to be denser near the moving wall. Heat transfer rises with augmentation of supplied voltage and Reynolds number. The effect of electric field on heat transfer is more pronounced at low Reynolds number. (C) 2015 Elsevier B.V. All rights reserved.
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页码:153 / 161
页数:9
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