Effects of Ag-water nanofluid on hydrodynamics and thermal behaviors of three-dimensional separated step flow

被引：30

作者：

Atashafrooz, Meysam ^{[1
]}

机构：

[1] Sirjan Univ Technol, Dept Mech Engn, Sirjan, Iran

来源：

ALEXANDRIA ENGINEERING JOURNAL | 2018年 / 57卷 / 04期

关键词：

Nanofluid; Nanoparticle volume fraction; Three-dimensional step flow; Separation; BACKWARD-FACING STEP; HEAT-TRANSFER ENHANCEMENT; FORCED-CONVECTION FLOW; CHANNEL; RADIATION; ADJACENT; BAFFLE;

D O I：

10.1016/j.aej.2017.07.016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this research, three-dimensional simulation of nanofluid flow over an inclined step is investigated numerically. The considered nanofluid in this study is a mixture composed by water as base fluid and nanoparticles of silver (Ag), such that the range of volume fraction of these nanoparticles has been changed from 0 to 0.2. The effects of these volume fractions on the hydrodynamics and thermal behaviors are analyzed with all details. Results show that the volume fraction of nanoparticles has a greater influence on the temperature distributions than velocity distributions. Also, the increase of nanoparticles volume fraction leads to a significant enhancement in the friction coefficient, mean bulk temperature and Nusselt number. (C) 2018 Faculty of Engineering, Alexandria University. Production and hosting by Elsevier B.V.

引用

页码：4277 / 4285

页数：9

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