Heat Transfer and Hydrodynamic Performance Analysis of a Miniature Tangential Heat Sink Using Al2O3-H2O and TiO2-H2O Nanofluids

被引：19
|
作者：
Miry, Seyed Ziaeddin [1 ]
Roshani, Majid [1 ]
Hanafizadeh, Pedram [1 ]
Ashjaee, Mehdi [1 ]
Amini, Faezeh [1 ]
机构：
[1] Univ Tehran, Sch Mech Engn, Coll Engn, Ctr Excellence Design & Optimizat Energy Syst, Kargar Shomali Ave,POB 11155-4563, Tehran, Iran
来源：
EXPERIMENTAL HEAT TRANSFER | 2016年 / 29卷 / 04期
关键词：
miniature tangential heat sink; nanofluid; heat transfer; pumping power; THERMAL-CONDUCTIVITY; FLUID-FLOW; TRANSFER ENHANCEMENT; FORCED-CONVECTION; MICROCHANNELS; MICROTUBE;
D O I：
10.1080/08916152.2015.1046016
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this article, thermal and hydrodynamic performances of a miniature tangential heat sink are investigated experimentally by using Al2O3-H2O and TiO2-H2O nanofluids. The effects of flow rate and volume concentration on the thermal performance have been investigated for the Reynolds number range of 210 to 1,100. Experimental results show that the average convective heat transfer coefficient increases 14 and 11% and the bottom temperature of the heat sink decreases 2.2 degrees C and 1.6 degrees C by using Al2O3-H2O and TiO2-H2O nanofluid instead of pure distilled water, respectively.
引用
收藏
页码：536 / 560
页数：25
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