Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture

Nanofluids are developed to meet the challenges of improving the efficiency of the cooling system subsequently minimizing the energy waste. This paper aims to investigate the forced convection heat transfer for Al2O3 nanofluids in different based ratio of water (W) and ethylene glycol (EG) mixture....

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Main Authors:	Azmi, W. H., N. A., Usri, R., Mamat, K. V., Sharma, M. M., Noor
Format:	Article
Language:	English
Published:	Elsevier Ltd 2017
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/15466/ http://umpir.ump.edu.my/id/eprint/15466/ http://umpir.ump.edu.my/id/eprint/15466/ http://umpir.ump.edu.my/id/eprint/15466/1/fkm-2017-whazmi-Force%20Convection%20Heat%20Transfer%20Of%20Al2O31.pdf

id	ump-15466
recordtype	eprints
spelling	ump-154662017-09-12T02:49:56Z http://umpir.ump.edu.my/id/eprint/15466/ Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture Azmi, W. H. N. A., Usri R., Mamat K. V., Sharma M. M., Noor TJ Mechanical engineering and machinery Nanofluids are developed to meet the challenges of improving the efficiency of the cooling system subsequently minimizing the energy waste. This paper aims to investigate the forced convection heat transfer for Al2O3 nanofluids in different based ratio of water (W) and ethylene glycol (EG) mixture. The Al2O3 nanofluids are formulated using the two-step method for three based mixture ratio of 60:40, 50:50 and 40:60 (W:EG) by volume. The forced convection experiments are conducted under constant heat flux conditions for operating temperatures of 30–70 �C and Reynolds numbers of 3000–25,000. The heat transfer coefficient of nanofluids is enhanced with concentration compare to its base fluid at all designated temperature. It is observed to be improved further with the increase of temperature. The effect of different base mixture ratio display that nanofluids in 60:40 base mixture have the highest percentage of performance with 24.6% enhancement at 1.0% concentration and temperature of 70C. The increment of concentration for nanofluids shows a slight rise in friction factor. As a conclusion, the thermo-physical properties and the forced convection heat transfer for nanofluids in various base mixture is significantly influenced by concentration, temperature and base ratio of mixture. Elsevier Ltd 2017 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/15466/1/fkm-2017-whazmi-Force%20Convection%20Heat%20Transfer%20Of%20Al2O31.pdf Azmi, W. H. and N. A., Usri and R., Mamat and K. V., Sharma and M. M., Noor (2017) Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture. Applied Thermal Engineering, 112. pp. 707-719. ISSN 1359-4311 http://dx.doi.org/10.1016/j.applthermaleng.2016.10.135 doi: 10.1016/j.applthermaleng.2016.10.135
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 Azmi, W. H. N. A., Usri R., Mamat K. V., Sharma M. M., Noor Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture
description	Nanofluids are developed to meet the challenges of improving the efficiency of the cooling system subsequently minimizing the energy waste. This paper aims to investigate the forced convection heat transfer for Al2O3 nanofluids in different based ratio of water (W) and ethylene glycol (EG) mixture. The Al2O3 nanofluids are formulated using the two-step method for three based mixture ratio of 60:40, 50:50 and 40:60 (W:EG) by volume. The forced convection experiments are conducted under constant heat flux conditions for operating temperatures of 30–70 �C and Reynolds numbers of 3000–25,000. The heat transfer coefficient of nanofluids is enhanced with concentration compare to its base fluid at all designated temperature. It is observed to be improved further with the increase of temperature. The effect of different base mixture ratio display that nanofluids in 60:40 base mixture have the highest percentage of performance with 24.6% enhancement at 1.0% concentration and temperature of 70C. The increment of concentration for nanofluids shows a slight rise in friction factor. As a conclusion, the thermo-physical properties and the forced convection heat transfer for nanofluids in various base mixture is significantly influenced by concentration, temperature and base ratio of mixture.
format	Article
author	Azmi, W. H. N. A., Usri R., Mamat K. V., Sharma M. M., Noor
author_facet	Azmi, W. H. N. A., Usri R., Mamat K. V., Sharma M. M., Noor
author_sort	Azmi, W. H.
title	Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture
title_short	Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture
title_full	Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture
title_fullStr	Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture
title_full_unstemmed	Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture
title_sort	force convection heat transfer of al2o3 nanofluids for different based ratio of water: ethylene glycol mixture
publisher	Elsevier Ltd
publishDate	2017
url	http://umpir.ump.edu.my/id/eprint/15466/ http://umpir.ump.edu.my/id/eprint/15466/ http://umpir.ump.edu.my/id/eprint/15466/ http://umpir.ump.edu.my/id/eprint/15466/1/fkm-2017-whazmi-Force%20Convection%20Heat%20Transfer%20Of%20Al2O31.pdf
first_indexed	2023-09-18T22:20:10Z
last_indexed	2023-09-18T22:20:10Z
_version_	1777415602973966336

Force Convection Heat Transfer of Al2O3 Nanofluids for Different Based Ratio of Water: Ethylene Glycol Mixture

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