Experimental investigation on thermal conductivity of surfactant-less aluminium oxide (Al2O3) in water nanofluid using acoustic velocity measurements

被引：1

作者：

Mukherjee, Sayantan ^{[1
]}

Mishra, Puma Chandra ^{[1
]}

Chaudhuri, Paritosh ^{[2
,3
]}

Chakrabarty, Shanta ^{[1
]}

机构：

[1] Kalinga Inst Ind Technol KIIT Deemed Univ, Sch Mech Engn, Thermal Res Lab, Bhubaneswar 751024, India

[2] Inst Plasma Res, Bhat 382428, Gandhinagar, India

[3] Homi Bhabha Natl Inst, Mumbai 400094, Maharashtra, India

来源：

CURRENT SCIENCE | 2021年 / 121卷 / 08期

关键词：

Nanofluid; nanoparticles; thermal conduc-tivity; ultrasonic velocity; HEAT-TRANSFER; ENHANCEMENT; TEMPERATURE;

D O I：

10.18520/cs/v121/i8/1032-1038

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The thermal conductivity of Al2O3-water nanofluid (NF) was investigated in this study utilizing ultrasonic velocity. The change in thermal conductivity was calculated by increasing the weight fraction from 0.01% to 1% for every 10 degrees C elevation in the temperature range of 25-65 degrees C. The thermal conductivity of NF augmented with an enhancement in nanoparticle concentration and rise in temperature. The thermal conductivity of NF was higher than that of basefluid. Finally, the experimental results were compared with classical thermal conductivity models and the thermal conductivity enhancement coefficient was further used to investigate thermal conductivity augmentation.

引用

页码：1032 / 1038

页数：7

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