Numerical investigation into the convective heat transfer of TiO2 nanofluids flowing through a straight tube under the laminar flow conditions

被引：222

作者：

He, Yurong ^{[1
]}

Men, Yubin ^{[1
]}

Zhao, Yunhua ^{[1
]}

Lu, Huilin ^{[1
]}

Ding, Yulong ^{[2
]}

机构：

[1] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Peoples R China

[2] Univ Leeds, Inst Particle Sci & Engn, Leeds LS2 9JT, W Yorkshire, England

来源：

APPLIED THERMAL ENGINEERING | 2009年 / 29卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

Nanofluids; Numerical study; Convective heat transfer; Laminar flow; Entrance region; TiO2; nanoparticles; TRANSFER ENHANCEMENT; MIXED CONVECTION; SUSPENSIONS; PARTICLES; NANOPARTICLES; TRANSPORT;

D O I：

10.1016/j.applthermaleng.2008.09.020

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A numerical study has been performed by using both single phase method and combined Euler and Lagrange method on the convective heat transfer of TiO2 nanofluids flowing through a straight tube under the laminar flow conditions. The effects of nanoparticles concentrations, Reynolds number, and various nanoparticle aggregates sizes are investigated on the flow and the convective heat transfer behaviour. The results show significant enhancement of heat transfer of nanofluids particularly in the entrance region. The numerical results are compared with the experimental data and reasonable good agreement is achieved. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1965 / 1972

页数：8

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