Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant

Currently, the possibility to enhance fuel efficiency with cutting edge advancements is thoroughly investigated by researchers. One of the best ways to increase the fuel efficiency is by improving the performance of the automobile air conditioning system. As a result, nanoparticles are dispersed in...

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Main Authors:	A. A. M., Redhwan, W. H., Azmi, M. Z., Sharif, R., Mamat, Nurul Nadia, Mohd Zawawi
Format:	Article
Language:	English English
Published:	Elsevier Ltd 2017
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/17752/ http://umpir.ump.edu.my/id/eprint/17752/ http://umpir.ump.edu.my/id/eprint/17752/ http://umpir.ump.edu.my/id/eprint/17752/1/Comparative%20study%20of%20thermo-physical%20properties%20of%20SiO2%20and%20Al2O3%20nanoparticles%20dispersed%20in%20PAG%20lubricant.pdf http://umpir.ump.edu.my/id/eprint/17752/2/Comparative%20study%20of%20thermo-physical%20properties%20of%20SiO2%20and%20Al2O3%20nanoparticles%20dispersed%20in%20PAG%20lubricant%201.pdf

id	ump-17752
recordtype	eprints
spelling	ump-177522019-10-17T08:12:38Z http://umpir.ump.edu.my/id/eprint/17752/ Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant A. A. M., Redhwan W. H., Azmi M. Z., Sharif R., Mamat Nurul Nadia, Mohd Zawawi TJ Mechanical engineering and machinery Currently, the possibility to enhance fuel efficiency with cutting edge advancements is thoroughly investigated by researchers. One of the best ways to increase the fuel efficiency is by improving the performance of the automobile air conditioning system. As a result, nanoparticles are dispersed in the lubricants of automobile air conditioning compressor for heat transfer and tribology enhancement. In this paper, viscosity and thermal conductivity of the SiO2 nanoparticles dispersed in Polyalkylene glycol (PAG) lubricants for 0.2–1.5% volume concentrations and 303–353 K working temperatures was investigated and compared with Al2O3 nanolubricant. The viscosity and thermal conductivity of the nanolubricants increased with volume concentration but decreased with temperature. The paper proposed correlations for viscosity and thermal conductivity of SiO2 nanolubricants at various concentrations and temperatures. The allowable volume concentration of SiO2 and Al2O3 nanolubricants for application in automobile air conditioning compressors are up to 1.0% and 0.3%, respectively. The thermal conductivity of SiO2 nanolubricants at 1.0% concentration is higher than Al2O3 nanolubricants at 0.3% allowable concentration. As a conclusion, it is advisable to use the SiO2 nanolubricants with volume concentration of less than 1.0% for applications in automotive air conditioning system. Elsevier Ltd 2017 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/17752/1/Comparative%20study%20of%20thermo-physical%20properties%20of%20SiO2%20and%20Al2O3%20nanoparticles%20dispersed%20in%20PAG%20lubricant.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/17752/2/Comparative%20study%20of%20thermo-physical%20properties%20of%20SiO2%20and%20Al2O3%20nanoparticles%20dispersed%20in%20PAG%20lubricant%201.pdf A. A. M., Redhwan and W. H., Azmi and M. Z., Sharif and R., Mamat and Nurul Nadia, Mohd Zawawi (2017) Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant. Applied Thermal Engineering, 116. pp. 823-832. ISSN 1359-4311 http://www.sciencedirect.com/science/article/pii/S1359431117306385 doi: org/10.1016/j.applthermaleng.2017.01.108
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery A. A. M., Redhwan W. H., Azmi M. Z., Sharif R., Mamat Nurul Nadia, Mohd Zawawi Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant
description	Currently, the possibility to enhance fuel efficiency with cutting edge advancements is thoroughly investigated by researchers. One of the best ways to increase the fuel efficiency is by improving the performance of the automobile air conditioning system. As a result, nanoparticles are dispersed in the lubricants of automobile air conditioning compressor for heat transfer and tribology enhancement. In this paper, viscosity and thermal conductivity of the SiO2 nanoparticles dispersed in Polyalkylene glycol (PAG) lubricants for 0.2–1.5% volume concentrations and 303–353 K working temperatures was investigated and compared with Al2O3 nanolubricant. The viscosity and thermal conductivity of the nanolubricants increased with volume concentration but decreased with temperature. The paper proposed correlations for viscosity and thermal conductivity of SiO2 nanolubricants at various concentrations and temperatures. The allowable volume concentration of SiO2 and Al2O3 nanolubricants for application in automobile air conditioning compressors are up to 1.0% and 0.3%, respectively. The thermal conductivity of SiO2 nanolubricants at 1.0% concentration is higher than Al2O3 nanolubricants at 0.3% allowable concentration. As a conclusion, it is advisable to use the SiO2 nanolubricants with volume concentration of less than 1.0% for applications in automotive air conditioning system.
format	Article
author	A. A. M., Redhwan W. H., Azmi M. Z., Sharif R., Mamat Nurul Nadia, Mohd Zawawi
author_facet	A. A. M., Redhwan W. H., Azmi M. Z., Sharif R., Mamat Nurul Nadia, Mohd Zawawi
author_sort	A. A. M., Redhwan
title	Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant
title_short	Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant
title_full	Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant
title_fullStr	Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant
title_full_unstemmed	Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant
title_sort	comparative study of thermo-physical properties of sio2 and al2o3 nanoparticles dispersed in pag lubricant
publisher	Elsevier Ltd
publishDate	2017
url	http://umpir.ump.edu.my/id/eprint/17752/ http://umpir.ump.edu.my/id/eprint/17752/ http://umpir.ump.edu.my/id/eprint/17752/ http://umpir.ump.edu.my/id/eprint/17752/1/Comparative%20study%20of%20thermo-physical%20properties%20of%20SiO2%20and%20Al2O3%20nanoparticles%20dispersed%20in%20PAG%20lubricant.pdf http://umpir.ump.edu.my/id/eprint/17752/2/Comparative%20study%20of%20thermo-physical%20properties%20of%20SiO2%20and%20Al2O3%20nanoparticles%20dispersed%20in%20PAG%20lubricant%201.pdf
first_indexed	2023-09-18T22:24:42Z
last_indexed	2023-09-18T22:24:42Z
_version_	1777415888732946432

Comparative Study of Thermo-physical Properties of SiO2 and Al2O3 Nanoparticles Dispersed in PAG Lubricant

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