Experimental study of cooling characteristics of water-based alumina nanofluid in a minichannel heat sink

Ching-Jenq Ho, Jian Chin Liao, Chun Han Li, Wei Mon Yan, Mohammad Amani

Research output: Contribution to journalArticle

Abstract

This paper investigates experimentally the convection heat transfer of Al2O3/water nanofluid with 0-8wt% concentrations flowing through a parallel minichannel heat sink. A uniform heat flux in the range of 1.2-6.8W/cm2 is applied for heating the heat sink and the Reynolds number is considered in the range of 238-1549. The measured results reveal that the increment of concentration and decrement of flowrate lead to the increase of friction factor. The maximum nanofluid to pure water pressure drop ratio of 1.41 is observed by flowing nanofluid with 8% nanoparticle concentration for Reynolds number of 258. Moreover, it is found that the values of heat transfer effectiveness and figure of merit are more than unity, indicating the beneficial application of Al2O3/water nanofluid as the coolant in the heat sink. The maximum values of heat transfer effectiveness and figure of merit are achieved 1.4 and 1.27 by flowing 8wt% nanofluid for Reynolds number of 1549. Furthermore, the addition of nanoparticle content decreased the coefficient of performance and the highest value belongs to the pure water. The increment of Reynolds number and nanoparticle content significantly decrease the thermal resistance.

Original languageEnglish
Article number100418
JournalCase Studies in Thermal Engineering
Volume14
DOIs
Publication statusPublished - 2019 Sep 1

Fingerprint

Aluminum Oxide
Heat sinks
Reynolds number
Alumina
Cooling
Water
Nanoparticles
Heat transfer
Heat convection
Heat resistance
Coolants
Pressure drop
Heat flux
Friction
Heating

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Fluid Flow and Transfer Processes

Cite this

@article{5daa7aa9fada41e3bcbd0820c5b8da1a,
title = "Experimental study of cooling characteristics of water-based alumina nanofluid in a minichannel heat sink",
abstract = "This paper investigates experimentally the convection heat transfer of Al2O3/water nanofluid with 0-8wt{\%} concentrations flowing through a parallel minichannel heat sink. A uniform heat flux in the range of 1.2-6.8W/cm2 is applied for heating the heat sink and the Reynolds number is considered in the range of 238-1549. The measured results reveal that the increment of concentration and decrement of flowrate lead to the increase of friction factor. The maximum nanofluid to pure water pressure drop ratio of 1.41 is observed by flowing nanofluid with 8{\%} nanoparticle concentration for Reynolds number of 258. Moreover, it is found that the values of heat transfer effectiveness and figure of merit are more than unity, indicating the beneficial application of Al2O3/water nanofluid as the coolant in the heat sink. The maximum values of heat transfer effectiveness and figure of merit are achieved 1.4 and 1.27 by flowing 8wt{\%} nanofluid for Reynolds number of 1549. Furthermore, the addition of nanoparticle content decreased the coefficient of performance and the highest value belongs to the pure water. The increment of Reynolds number and nanoparticle content significantly decrease the thermal resistance.",
author = "Ching-Jenq Ho and Liao, {Jian Chin} and Li, {Chun Han} and Yan, {Wei Mon} and Mohammad Amani",
year = "2019",
month = "9",
day = "1",
doi = "10.1016/j.csite.2019.100418",
language = "English",
volume = "14",
journal = "Case Studies in Thermal Engineering",
issn = "2214-157X",
publisher = "Elsevier BV",

}

Experimental study of cooling characteristics of water-based alumina nanofluid in a minichannel heat sink. / Ho, Ching-Jenq; Liao, Jian Chin; Li, Chun Han; Yan, Wei Mon; Amani, Mohammad.

In: Case Studies in Thermal Engineering, Vol. 14, 100418, 01.09.2019.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Experimental study of cooling characteristics of water-based alumina nanofluid in a minichannel heat sink

AU - Ho, Ching-Jenq

AU - Liao, Jian Chin

AU - Li, Chun Han

AU - Yan, Wei Mon

AU - Amani, Mohammad

PY - 2019/9/1

Y1 - 2019/9/1

N2 - This paper investigates experimentally the convection heat transfer of Al2O3/water nanofluid with 0-8wt% concentrations flowing through a parallel minichannel heat sink. A uniform heat flux in the range of 1.2-6.8W/cm2 is applied for heating the heat sink and the Reynolds number is considered in the range of 238-1549. The measured results reveal that the increment of concentration and decrement of flowrate lead to the increase of friction factor. The maximum nanofluid to pure water pressure drop ratio of 1.41 is observed by flowing nanofluid with 8% nanoparticle concentration for Reynolds number of 258. Moreover, it is found that the values of heat transfer effectiveness and figure of merit are more than unity, indicating the beneficial application of Al2O3/water nanofluid as the coolant in the heat sink. The maximum values of heat transfer effectiveness and figure of merit are achieved 1.4 and 1.27 by flowing 8wt% nanofluid for Reynolds number of 1549. Furthermore, the addition of nanoparticle content decreased the coefficient of performance and the highest value belongs to the pure water. The increment of Reynolds number and nanoparticle content significantly decrease the thermal resistance.

AB - This paper investigates experimentally the convection heat transfer of Al2O3/water nanofluid with 0-8wt% concentrations flowing through a parallel minichannel heat sink. A uniform heat flux in the range of 1.2-6.8W/cm2 is applied for heating the heat sink and the Reynolds number is considered in the range of 238-1549. The measured results reveal that the increment of concentration and decrement of flowrate lead to the increase of friction factor. The maximum nanofluid to pure water pressure drop ratio of 1.41 is observed by flowing nanofluid with 8% nanoparticle concentration for Reynolds number of 258. Moreover, it is found that the values of heat transfer effectiveness and figure of merit are more than unity, indicating the beneficial application of Al2O3/water nanofluid as the coolant in the heat sink. The maximum values of heat transfer effectiveness and figure of merit are achieved 1.4 and 1.27 by flowing 8wt% nanofluid for Reynolds number of 1549. Furthermore, the addition of nanoparticle content decreased the coefficient of performance and the highest value belongs to the pure water. The increment of Reynolds number and nanoparticle content significantly decrease the thermal resistance.

UR - http://www.scopus.com/inward/record.url?scp=85062687326&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85062687326&partnerID=8YFLogxK

U2 - 10.1016/j.csite.2019.100418

DO - 10.1016/j.csite.2019.100418

M3 - Article

VL - 14

JO - Case Studies in Thermal Engineering

JF - Case Studies in Thermal Engineering

SN - 2214-157X

M1 - 100418

ER -