Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid

Nanofluid as a new brand of cooling fluid consisting of nanometer-sized particles dispersed in base fluid. In this study, the thermal conductivity and electrical conductivity of BioGlycol (BG)–water (W) mixed nanofluids containing Al2O3 nanoparticles were studied. Nanofluids with 0.5 to 2.0% concent...

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Main Authors:	M. Kh., Abdolbaqi, Azmi, W. H., R., Mamat, K. V., Sharma, G., Najafi
Format:	Article
Language:	English
Published:	Elsevier Ltd 2016
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/12873/ http://umpir.ump.edu.my/id/eprint/12873/ http://umpir.ump.edu.my/id/eprint/12873/ http://umpir.ump.edu.my/id/eprint/12873/1/Experimental%20Investigation%20of%20Thermal%20Conductivity%20and%20Electrical%20Conductivity%20of%20BioGlycol%20-%20Water%20Mixture%20Based%20Al2O3%20Nanofluid.pdf

id	ump-12873
recordtype	eprints
spelling	ump-128732018-09-18T00:42:07Z http://umpir.ump.edu.my/id/eprint/12873/ Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid M. Kh., Abdolbaqi Azmi, W. H. R., Mamat K. V., Sharma G., Najafi TJ Mechanical engineering and machinery Nanofluid as a new brand of cooling fluid consisting of nanometer-sized particles dispersed in base fluid. In this study, the thermal conductivity and electrical conductivity of BioGlycol (BG)–water (W) mixed nanofluids containing Al2O3 nanoparticles were studied. Nanofluids with 0.5 to 2.0% concentrations were prepared by the two-step method. The nanofluids demonstrated excellent stability over the temperature range of 30 to 80 °C after using the long term sonication process. Comparisons of the experimental data with many existing models illustrated that they do not display good agreement. Therefore, a new nonlinear model has been developed with 5% maximum deviation for the thermal conductivity of nanofluids as a function of temperature and volume concentration. The results of BG:W mixtures have displayed improvement in thermal performance of 7.5% in comparison with Propylene glycol (PG):W in similar circumstances. The thermal conductivity of nanofluid increased as a function of volume concentration and temperature. The maximum thermal conductivity enhancement using 40:60% (BG:W) mixture ratio was twice as high as 60:40% in the same conditions. Electrical conductivity was observed to decrease as the volume concentration increased. Thermo-electrical conductivity ratio (TEC) has been evaluated theoretically based on thermal and electrical conductivity results. Elsevier Ltd 2016 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/12873/1/Experimental%20Investigation%20of%20Thermal%20Conductivity%20and%20Electrical%20Conductivity%20of%20BioGlycol%20-%20Water%20Mixture%20Based%20Al2O3%20Nanofluid.pdf M. Kh., Abdolbaqi and Azmi, W. H. and R., Mamat and K. V., Sharma and G., Najafi (2016) Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid. Applied Thermal Engineering, 102 (June). pp. 932-941. ISSN 1359-4311 http://dx.doi.org/10.1016/j.applthermaleng.2016.03.074 doi:10.1016/j.applthermaleng.2016.03.074
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery M. Kh., Abdolbaqi Azmi, W. H. R., Mamat K. V., Sharma G., Najafi Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid
description	Nanofluid as a new brand of cooling fluid consisting of nanometer-sized particles dispersed in base fluid. In this study, the thermal conductivity and electrical conductivity of BioGlycol (BG)–water (W) mixed nanofluids containing Al2O3 nanoparticles were studied. Nanofluids with 0.5 to 2.0% concentrations were prepared by the two-step method. The nanofluids demonstrated excellent stability over the temperature range of 30 to 80 °C after using the long term sonication process. Comparisons of the experimental data with many existing models illustrated that they do not display good agreement. Therefore, a new nonlinear model has been developed with 5% maximum deviation for the thermal conductivity of nanofluids as a function of temperature and volume concentration. The results of BG:W mixtures have displayed improvement in thermal performance of 7.5% in comparison with Propylene glycol (PG):W in similar circumstances. The thermal conductivity of nanofluid increased as a function of volume concentration and temperature. The maximum thermal conductivity enhancement using 40:60% (BG:W) mixture ratio was twice as high as 60:40% in the same conditions. Electrical conductivity was observed to decrease as the volume concentration increased. Thermo-electrical conductivity ratio (TEC) has been evaluated theoretically based on thermal and electrical conductivity results.
format	Article
author	M. Kh., Abdolbaqi Azmi, W. H. R., Mamat K. V., Sharma G., Najafi
author_facet	M. Kh., Abdolbaqi Azmi, W. H. R., Mamat K. V., Sharma G., Najafi
author_sort	M. Kh., Abdolbaqi
title	Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid
title_short	Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid
title_full	Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid
title_fullStr	Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid
title_full_unstemmed	Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid
title_sort	experimental investigation of thermal conductivity and electrical conductivity of bioglycol - water mixture based al2o3 nanofluid
publisher	Elsevier Ltd
publishDate	2016
url	http://umpir.ump.edu.my/id/eprint/12873/ http://umpir.ump.edu.my/id/eprint/12873/ http://umpir.ump.edu.my/id/eprint/12873/ http://umpir.ump.edu.my/id/eprint/12873/1/Experimental%20Investigation%20of%20Thermal%20Conductivity%20and%20Electrical%20Conductivity%20of%20BioGlycol%20-%20Water%20Mixture%20Based%20Al2O3%20Nanofluid.pdf
first_indexed	2023-09-18T22:14:52Z
last_indexed	2023-09-18T22:14:52Z
_version_	1777415269705056256

Experimental Investigation of Thermal Conductivity and Electrical Conductivity of BioGlycol - Water Mixture Based Al2O3 Nanofluid

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