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A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems

Recently scientists used nanoparticles in refrigeration systems because of theirs remarkable improvement in thermo-physical, and heat transfer capabilities to enhance the efficiency and reliability of refrigeration and air conditioning system. In this paper thermal-physical properties of nanoparticl...

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Main Authors:	Saidur, Rahman, Kazi, S.N., Hossain, M.S., Rahman, M.M., Mohammed, H.A.
Format:	Article
Published:	Elsevier 2011
Subjects:	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery
Online Access:	http://eprints.um.edu.my/6612/ https://doi.org/10.1016/j.rser.2010.08.018
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spelling	my.um.eprints.66122019-11-08T08:33:57Z http://eprints.um.edu.my/6612/ A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems Saidur, Rahman Kazi, S.N. Hossain, M.S. Rahman, M.M. Mohammed, H.A. TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery Recently scientists used nanoparticles in refrigeration systems because of theirs remarkable improvement in thermo-physical, and heat transfer capabilities to enhance the efficiency and reliability of refrigeration and air conditioning system. In this paper thermal-physical properties of nanoparticles suspended in refrigerant and lubricating oil of refrigerating systems were reviewed. Heat transfer performance of different nanorefrigerants with varying concentrations was reviewed and review results are presented as well. Pressure drop and pumping power of a refrigeration system with nanorefrigerants were obtained from different sources and reported in this review. Along with these, pool boiling heat transfer performance of CNT refrigerant was reported. Moreover, challenges and future direction of nanofluids/nanorefrigerants have been reviewed and presented in this paper. Based on results available in the literatures, it has been found that nanorefrigerants have a much higher and strongly temperature-dependent thermal conductivity at very low particle concentrations than conventional refrigerant. This can be considered as one of the key parameters for enhanced performance for refrigeration and air conditioning systems. Because of its superior thermal performances, latest upto date literatures on this property has been summarized and presented in this paper as well. The results indicate that HFC134a and mineral oil with TiO 2 nanoparticles works normally and safely in the refrigerator with better performance. The energy consumption of the HFC134a refrigerant using mineral oil and nanoparticles mixture as lubricant saved 26.1 energy with 0.1 mass fraction TiO 2 nanoparticles compared to the HFC134a and POE oil system. It was identified that fundamental properties (i.e. density, specific heat capacity, and surface tension) of nanorefrigerants were not experimentally determined yet. It may be noted as well that few barriers and challenges those have been identified in this review must be addressed carefully before it can be fully implemented in refrigeration and air conditioning systems. Elsevier 2011 Article PeerReviewed Saidur, Rahman and Kazi, S.N. and Hossain, M.S. and Rahman, M.M. and Mohammed, H.A. (2011) A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems. Renewable and Sustainable Energy Reviews, 15 (1). pp. 310-323. ISSN 1364-0321 https://doi.org/10.1016/j.rser.2010.08.018 doi:10.1016/j.rser.2010.08.018
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery
spellingShingle	TA Engineering (General). Civil engineering (General) TJ Mechanical engineering and machinery Saidur, Rahman Kazi, S.N. Hossain, M.S. Rahman, M.M. Mohammed, H.A. A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems
description	Recently scientists used nanoparticles in refrigeration systems because of theirs remarkable improvement in thermo-physical, and heat transfer capabilities to enhance the efficiency and reliability of refrigeration and air conditioning system. In this paper thermal-physical properties of nanoparticles suspended in refrigerant and lubricating oil of refrigerating systems were reviewed. Heat transfer performance of different nanorefrigerants with varying concentrations was reviewed and review results are presented as well. Pressure drop and pumping power of a refrigeration system with nanorefrigerants were obtained from different sources and reported in this review. Along with these, pool boiling heat transfer performance of CNT refrigerant was reported. Moreover, challenges and future direction of nanofluids/nanorefrigerants have been reviewed and presented in this paper. Based on results available in the literatures, it has been found that nanorefrigerants have a much higher and strongly temperature-dependent thermal conductivity at very low particle concentrations than conventional refrigerant. This can be considered as one of the key parameters for enhanced performance for refrigeration and air conditioning systems. Because of its superior thermal performances, latest upto date literatures on this property has been summarized and presented in this paper as well. The results indicate that HFC134a and mineral oil with TiO 2 nanoparticles works normally and safely in the refrigerator with better performance. The energy consumption of the HFC134a refrigerant using mineral oil and nanoparticles mixture as lubricant saved 26.1 energy with 0.1 mass fraction TiO 2 nanoparticles compared to the HFC134a and POE oil system. It was identified that fundamental properties (i.e. density, specific heat capacity, and surface tension) of nanorefrigerants were not experimentally determined yet. It may be noted as well that few barriers and challenges those have been identified in this review must be addressed carefully before it can be fully implemented in refrigeration and air conditioning systems.
format	Article
author	Saidur, Rahman Kazi, S.N. Hossain, M.S. Rahman, M.M. Mohammed, H.A.
author_facet	Saidur, Rahman Kazi, S.N. Hossain, M.S. Rahman, M.M. Mohammed, H.A.
author_sort	Saidur, Rahman
title	A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems
title_short	A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems
title_full	A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems
title_fullStr	A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems
title_full_unstemmed	A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems
title_sort	review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems
publisher	Elsevier
publishDate	2011
url	http://eprints.um.edu.my/6612/ https://doi.org/10.1016/j.rser.2010.08.018
_version_	1651867331901521920
score	13.211869

A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems

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