Numerical simulation of free convection based on experimental measured conductivity in a square cavity using Water/SiO2 nanofluid

被引：201

作者：

Jahanshahi, M. ^{[2
]}

Hosseinizadeh, S. F. ^{[1
]}

Alipanah, M. ^{[1
]}

Dehghani, A. ^{[3
]}

Vakilinejad, G. R. ^{[3
]}

机构：

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

[2] Babol Univ Technol, Dept Chem Engn, Babol Sar, Mazandaran, Iran

[3] Kashan Univ, Dept Chem Engn, Kashan, Isfahan, Iran

来源：

INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2010年 / 37卷 / 06期

关键词：

Nanofluid; Free convection; Experimental; Square cavity; Heat transfer; HEAT-TRANSFER ENHANCEMENT; NATURAL-CONVECTION; THERMAL-CONDUCTIVITY; RECTANGULAR CAVITY; ENCLOSURE; FLUID; FLOW;

D O I：

10.1016/j.icheatmasstransfer.2010.03.010

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Heat transfer enhancement has been investigated in a square cavity subject to different side wall temperatures using water/SiO2 nanofluid. An experimental setup has been used to extract the conductivity value of nanofluid. This study has been carried out for the pertinent parameters in the following ranges: the Rayleigh number of base fluid, Ra-f =10(5)-10(7) and the volumetric fraction of nanoparticle between 0 and 4%. The comparisons show that the mean Nusselt number increases with volume fraction for the whole range of Rayleigh numbers. Although by using the theoretical formulations for conductivity no enhancement has been observed. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：687 / 694

页数：8

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