A comprehensive review on advances of oil-based nanofluids for concentrating solar thermal collector application

Rubbi, F. and Das, L. and Habib, K. and Aslfattahi, N. and Saidur, R. and Alam, S.U. (2021) A comprehensive review on advances of oil-based nanofluids for concentrating solar thermal collector application. Journal of Molecular Liquids, 338: 116771. ISSN 0167-7322

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Abstract

Nanofluids have exhibited noteworthy advancement as efficient working fluids in the last decade towards the field of solar energy conversion field to deal with escalating global energy demand. Research developments on thermo-physical, long-term stability and rheology are moving ahead to achieve practical deployment in renewable solar photo-thermal conversion sectors (i.e., solar collectors). Nevertheless, researchers and engineers are encountering many difficulties dealing with nearly infinite culpable variables impacting performance of several categories of NFs. This work attempts to offer an up-to-date review on advances and challenges of oil-based nanofluids focusing on formulation, key properties (stability, thermal conductivity, cp, and viscosity) and effective implementation in concentrating solar collector devices. Previous experimental and numerical studies on the topics are compiled and acutely scrutinized providing essential phenomena, mechanisms, shortcomings, responsible parameters to obtain stable and optimized thermal properties integrating with heat transfer performance. It is observed that optimization of the critical factors leads to superior behavior of the nanofluids, which in turns generates enhanced thermal performance of the solar collectors. Lastly, existing challenges are reported along with recommendations to address the issues for further developments in the field which would mobilize rapid innovation and practical engineering practice of nanofluids.

Item Type:

Journal Article

Journal or Publication Title:

Journal of Molecular Liquids

Additional Information:

This is the author’s version of a work that was accepted for publication in Journal of Molecular Liquids. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Molecular Liquids, 338, 2021 DOI: 10.1016/j.molliq.2021.116771

Uncontrolled Keywords:

/dk/atira/pure/subjectarea/asjc/2500/2505

Subjects:

?? concentrating solar collectorsnanofluidsrheologystabilitythermo-physical propertiesconvergence of numerical methodselasticityenergy conversionheat transfer performancenanofluidicssolar collectorssolar energysolar heatingthermal conductivityconcentrating s ??

Departments:

Faculty of Science and Technology > Engineering

ID Code:

158747

Deposited By:

ep_importer_pure

Deposited On:

23 Aug 2021 09:25

Refereed?:

Yes

Published?:

Published