Electrohydrodynamic nanofluid flow and forced convective heat transfer in a channel

被引：80

作者：

Safarnia, H. ^{[1
]}

Sheikholeslami, M. ^{[1
,2
]}

Ganji, D. D. ^{[2
]}

机构：

[1] Mazandaran Inst Technol, Dept Mech Engn, Babol Sar, Iran

[2] Babol Univ Technol, Dept Mech Engn, Babol Sar, Iran

来源：

EUROPEAN PHYSICAL JOURNAL PLUS | 2016年 / 131卷 / 04期

关键词：

NATURAL-CONVECTION; TRANSFER ENHANCEMENT; THERMAL-RADIATION; BROWNIAN-MOTION; ALUMINA/WATER NANOFLUID; NANOPARTICLE MIGRATION; HYDROTHERMAL TREATMENT; NUMERICAL-SIMULATION; ENTROPY GENERATION; MAGNETIC NANOFLUID;

D O I：

10.1140/epjp/i2016-16096-4

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this study the effect of an electric field on Fe3O4-water nanofluid flow and heat transfer in a channel is studied. Two electrode plates are embedded in the bottom of the channel. The finite-volume method is used to simulate this problem. The effective thermal conductivity and viscosity of the nanofluid are calculated using the Maxwell-Garnetts (MG) and Brinkman models, respectively. The effects of the Reynolds number and voltage supply on hydrothermal behavior have been examined. The results show that the Nusselt number has direct relationship with the Reynolds number and voltage supply. The effect of the electric field on the rate of heat transfer is more sensible for low Reynolds number.

引用

页数：14

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