An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation

Nanofluid, as a kind of new engineered material consisting of nanometer-sized additives and base fluids, has attracted great attention from investigators for its superior thermal properties and many potential applications. In this paper, the thermal conductivity, dispersion stability and electrical...

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Main Authors:	M. Kh., Abdolbaqi, N. A. C., Sidik, Azmi, W. H., R., Mamat
Format:	Article
Language:	English
Published:	Elsevier 2016
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/14377/ http://umpir.ump.edu.my/id/eprint/14377/ http://umpir.ump.edu.my/id/eprint/14377/ http://umpir.ump.edu.my/id/eprint/14377/1/fkm-2016-abdolbaqi-Experimental%20Determination%20of%20Thermal%20Conductivity.pdf

id	ump-14377
recordtype	eprints
spelling	ump-143772017-09-12T06:44:54Z http://umpir.ump.edu.my/id/eprint/14377/ An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation M. Kh., Abdolbaqi N. A. C., Sidik Azmi, W. H. R., Mamat TJ Mechanical engineering and machinery Nanofluid, as a kind of new engineered material consisting of nanometer-sized additives and base fluids, has attracted great attention from investigators for its superior thermal properties and many potential applications. In this paper, the thermal conductivity, dispersion stability and electrical conductivity of 100% bioglycol (BG) based nanofluids containing Al2O3 nanoparticles were studied in a temperature range of 30 to 80 °C. Nanofluids with 0.1, 0.3, 0.5, 0.7, and 1% volume concentrations were prepared using the two-step method without using surfactant. The nanofluids demonstrated excellent stability over this temperature range after using long-term sonication. A new correlation has been developed for the thermal conductivity of nanofluids as a function of temperature and particle volume concentration. This study also revealed that the thermal conductivity enhancement of bio glycol (BG), ethylene glycol (EG) and propylene glycol (PG) of 1.0% volume concentration at 30 °C was 17%, 9% and 3.6% respectively. However, the increment in temperature reacts inversely to the thermo-electrical conductivity (TEC) ratio. The maximum value of TEC is 9.5 at 0.5% volume concentrations and temperature of 30 °C. Elsevier 2016 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/14377/1/fkm-2016-abdolbaqi-Experimental%20Determination%20of%20Thermal%20Conductivity.pdf M. Kh., Abdolbaqi and N. A. C., Sidik and Azmi, W. H. and R., Mamat (2016) An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation. International Communications in Heat and Mass Transfer, 73. pp. 75-83. ISSN 0735-1933 http://dx.doi.org/10.1016/j.icheatmasstransfer.2016.02.006 DOI: 10.1016/j.icheatmasstransfer.2016.02.006
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 N. A. C., Sidik Azmi, W. H. R., Mamat An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation
description	Nanofluid, as a kind of new engineered material consisting of nanometer-sized additives and base fluids, has attracted great attention from investigators for its superior thermal properties and many potential applications. In this paper, the thermal conductivity, dispersion stability and electrical conductivity of 100% bioglycol (BG) based nanofluids containing Al2O3 nanoparticles were studied in a temperature range of 30 to 80 °C. Nanofluids with 0.1, 0.3, 0.5, 0.7, and 1% volume concentrations were prepared using the two-step method without using surfactant. The nanofluids demonstrated excellent stability over this temperature range after using long-term sonication. A new correlation has been developed for the thermal conductivity of nanofluids as a function of temperature and particle volume concentration. This study also revealed that the thermal conductivity enhancement of bio glycol (BG), ethylene glycol (EG) and propylene glycol (PG) of 1.0% volume concentration at 30 °C was 17%, 9% and 3.6% respectively. However, the increment in temperature reacts inversely to the thermo-electrical conductivity (TEC) ratio. The maximum value of TEC is 9.5 at 0.5% volume concentrations and temperature of 30 °C.
format	Article
author	M. Kh., Abdolbaqi N. A. C., Sidik Azmi, W. H. R., Mamat
author_facet	M. Kh., Abdolbaqi N. A. C., Sidik Azmi, W. H. R., Mamat
author_sort	M. Kh., Abdolbaqi
title	An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation
title_short	An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation
title_full	An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation
title_fullStr	An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation
title_full_unstemmed	An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation
title_sort	experimental determination of thermal conductivity and electrical conductivity of bio glycol based al2o3 nanofluids and development of new correlation
publisher	Elsevier
publishDate	2016
url	http://umpir.ump.edu.my/id/eprint/14377/ http://umpir.ump.edu.my/id/eprint/14377/ http://umpir.ump.edu.my/id/eprint/14377/ http://umpir.ump.edu.my/id/eprint/14377/1/fkm-2016-abdolbaqi-Experimental%20Determination%20of%20Thermal%20Conductivity.pdf
first_indexed	2023-09-18T22:18:04Z
last_indexed	2023-09-18T22:18:04Z
_version_	1777415470727561216

An Experimental Determination of Thermal Conductivity and Electrical Conductivity of Bio Glycol Based Al2O3 Nanofluids and Development of New Correlation

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