Experimental investigation of nucleate pool boiling heat transfer enhancement of TiO2-water based nanofluids

被引：69

作者：

Ali, Hafiz Muhammad ^{[1
]}

Generous, Muhammad Mustafa ^{[1
]}

Ahmad, Faseeh ^{[1
]}

Irfan, Muhammad ^{[1
]}

机构：

[1] Univ Engn & Technol, Dept Mech Engn, Taxila 47050, Pakistan

来源：

APPLIED THERMAL ENGINEERING | 2017年 / 113卷

关键词：

Pool boiling; Nucleate; Heat transfer; Rutile TiO2; Nanofluids; WATER; SURFACE; ZNO;

D O I：

10.1016/j.applthermaleng.2016.11.127

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

High heat flux at reduced wall super heat temperature difference is a major concern of researcher in the area of pool boiling heat transfer. One of the techniques is the use of nanoparticles in base fluid which provides high heat flux at relatively low super heat value. Current investigation concentrates on the impact of TiO2-Water based nanofluids on the wall super heat, boiling heat transfer coefficient, and heat flux at atmospheric pressure. Experimental setup was validated by nucleate pool boiling of distilled water and by retracing the Pioro correlation. Two different concentrations of 12% and 15% by weight of TiO2 in water as base fluid were tested and on average, enhancements in boiling heat transfer coefficient (W/m(2) K) were found to be 1.38 and 1.24 for 15% TiO2 and 12% TiO2 nanofluids respectively, when compared to the results of distilled water. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1146 / 1151

页数：6

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