Experiments on Single-Phase Nanofluid Heat Transfer Mechanisms in Microchannel Heat Sinks: A Review

For more than 20 years, the use of nanofluids to enhance heat transfer in microchannel heat sinks (MCHSs) has been the subject of a large number of scientific articles. Despite the great potentialities reported in several works, the presence of controversial results and the lack of understanding of...

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Published inEnergies (Basel) Vol. 15; no. 7; p. 2525
Main Authors Eneren, Pinar, Aksoy, Yunus Tansu, Vetrano, Maria Rosaria
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.04.2022
Subjects
Abrasion
Clustering
Convective heat transfer
Coolants
Cooling
Graphene
Heat conductivity
Heat sinks
Heat transfer
microchannel heat sink
Microchannels
nanofluid stability
Nanofluids
Nanoparticles
particle clustering
Physical properties
Scientific papers
Thermal conductivity
Viscosity
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Summary:For more than 20 years, the use of nanofluids to enhance heat transfer in microchannel heat sinks (MCHSs) has been the subject of a large number of scientific articles. Despite the great potentialities reported in several works, the presence of controversial results and the lack of understanding of heat transfer enhancement mechanisms prevent further advancement in the use of nanofluids as coolants. This article reviews the scientific literature focused on several aspects of nanofluids that have a role in the heat transfer enhancement within the MCHSs: nanofluid stability, thermal conductivity, and particle clustering, as well as the particle–surface interactions, i.e., abrasion, erosion, and corrosion. We also include the most relevant works on the convective heat transfer and MCHSs operated with nanofluids in our review.
ISSN:1996-1073
1996-1073
DOI:10.3390/en15072525