A review of the applications of nanofluids in solar energy

Utilizing nanofluids as an advanced kind of liquid mixture with a small concentration of nanometer-sized solid particles in suspension is a relatively new field, which is less than two decades old. The aim of this review paper is the investigation of the nanofluids’ applications in solar thermal eng...

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Published inInternational journal of heat and mass transfer Vol. 57; no. 2; pp. 582 - 594
Main Authors Mahian, Omid, Kianifar, Ali, Kalogirou, Soteris A., Pop, Ioan, Wongwises, Somchai
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.02.2013
Subjects
Challenges
Economic and environmental considerations
Efficiency
Nanocomposites
Nanofluids
Nanomaterials
Nanostructure
Photovoltaic cells
Solar cells
Solar energy
Solar heating
Water heaters
Economic and environmental considerations
Efficiency
Challenges
Nanofluids
Solar energy
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Summary:Utilizing nanofluids as an advanced kind of liquid mixture with a small concentration of nanometer-sized solid particles in suspension is a relatively new field, which is less than two decades old. The aim of this review paper is the investigation of the nanofluids’ applications in solar thermal engineering systems. The shortage of fossil fuels and environmental considerations motivated the researchers to use alternative energy sources such as solar energy. Therefore, it is essential to enhance the efficiency and performance of the solar thermal systems. Nearly all of the former works conducted on the applications of nanofluids in solar energy is regarding their applications in collectors and solar water heaters. Therefore, a major part of this review paper allocated to the effects of nanofluids on the performance of solar collectors and solar water heaters from the efficiency, economic and environmental considerations viewpoints. In addition, some reported works on the applications of nanofluids in thermal energy storage, solar cells, and solar stills are reviewed. Subsequently, some suggestions are made to use the nanofluids in different solar thermal systems such as photovoltaic/thermal systems, solar ponds, solar thermoelectric cells, and so on. Finally, the challenges of using nanofluids in solar energy devices are discussed.
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ISSN:0017-9310
1879-2189
DOI:10.1016/j.ijheatmasstransfer.2012.10.037