An Experimental Study on Nanofluids Convective Heat Transfer Through a Straight Tube under Constant Heat Flux

被引：31
|
作者：
Azari, Ahmad [1 ]
Kalbasi, Mansour [1 ]
Derakhshandeh, Masoud [1 ]
Rahimi, Masoud [2 ]
机构：
[1] Amirkabir Univ Technol, Tehran Polytech, Dept Petrochem Engn, Mahshahr, Iran
[2] Razi Univ, Dept Chem Engn, CFD Res Ctr, Taghebostan, Kermanshah, Iran
来源：
CHINESE JOURNAL OF CHEMICAL ENGINEERING | 2013年 / 21卷 / 10期
关键词：
convection; forced convection; heat transfer; nanoparticles; nanofluids; AQUEOUS SUSPENSIONS; THERMAL-CONDUCTIVITY; FLOW BEHAVIOR; SINGLE-PHASE; MICROSCALE; PARTICLES;
D O I：
10.1016/S1004-9541(13)60618-7
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this work, the laminar convective heat transfer performance and the pressure drop of water-based nanofluids containing Al2O3, TiO2 and SiO2 nanoparticles flowing through a straight circular tube were experimentally investigated. The experimental results showed that addition of small amounts of nano-sized Al2O3 and TiO2 particles to de-ionized water increased heat transfer coefficients considerably, while the SiO2 nanofluids showed the opposite behavior attracting the authors' interests. An average of 16% and 8.2% increase in heat transfer coefficient were observed with the average of 28% and 15% penalty in pressure drop for Al2O3 and TiO2 nanofluids.
引用
收藏
页码：1082 / 1088
页数：7
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