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Mechanisms proposed through experimental investigations on thermophysical properties and forced convective heat transfer characteristics of various nanofluids – A review

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TLDR
In this paper, a review of the literature on thermophysical properties and forced convective heat transfer characteristics of various nanofluids is presented, and the mechanisms proposed for the alteration in their values or characteristics due to the addition of nanoparticles are summarized.
Abstract
Experimental investigations on thermophysical properties and forced convective heat transfer characteristics of various nanofluids are reviewed and the mechanisms proposed for the alteration in their values or characteristics due to the addition of nanoparticles are summarized in this review. A comprehensive review on the experimental works on specific application of nanofluids is also presented. As the literature in this area is spread over a span of two decades, this review could be useful for researchers to have an accurate screening of wide range of experimental investigations on thermophysical properties, forced convective heat transfer characteristics, the mechanisms involved and applications of various nanofluids.

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Citations
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A Benchmark Study on the Thermal Conductivity of Nanofluids

TL;DR: The International Nanofluid Property Benchmark Exercise (INPBE) as discussed by the authors was held in 1998, where the thermal conductivity of identical samples of colloidally stable dispersions of nanoparticles or "nanofluids" was measured by over 30 organizations worldwide, using a variety of experimental approaches, including the transient hot wire method, steady state methods, and optical methods.
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A review on hybrid nanofluids: Recent research, development and applications

TL;DR: In this paper, a review summarizes recent researches on synthesis, thermophysical properties, heat transfer and pressure drop characteristics, possible applications and challenges of hybrid nanofluids, and showed that proper hybridization may make the hybrid nanoparticles very promising for heat transfer enhancement, however, lot of research works are still needed in the fields of preparation and stability, characterization and applications to overcome the challenges.
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A review on thermophysical properties of nanofluids and heat transfer applications

TL;DR: In this article, the authors summarized the important results regarding the improvement in the thermophysical properties of nanofluids and identified the opportunities for future research in the field of nanophotonics.
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Hybrid nanofluids preparation, thermal properties, heat transfer and friction factor – A review

TL;DR: In this article, the synthesis of hybrid nanoparticles, preparation of hybrid nanofluids, thermal properties, heat transfer, friction factor and the available Nusselt number and friction factor correlations are discussed.
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Performance enhancement of solar collectors—A review

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References
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Journal ArticleDOI

Convective Transport in Nanofluids

TL;DR: In this article, the authors considered seven slip mechanisms that can produce a relative velocity between the nanoparticles and the base fluid and concluded that only Brownian diffusion and thermophoresis are important slip mechanisms in nanofluids.
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Investigation on Convective Heat Transfer and Flow Features of Nanofluids

TL;DR: In this article, an innovative new class of heat transfer fluids can be engineered by suspending metallic nanoparticles in conventional heat-transfer fluids, which are expected to exhibit high thermal conductivities compared to those of currently used heat transfer fluid, and they represent the best hope for enhancing heat transfer.
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Hydrodynamic and heat transfer study of dispersed fluids with submicron metallic oxide particles

TL;DR: In this article, the authors used a Brookfield rotating viscometer to measure the viscosities of the dispersed fluids with γ-alumina (Al2O3) and titanium dioxide (TiO2) particles at a 10% volume concentration.
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Thermal transport measurements of individual multiwalled nanotubes.

TL;DR: The thermal conductivity and thermoelectric power of a single carbon nanotube were measured using a microfabricated suspended device and shows linear temperature dependence with a value of 80 microV/K at room temperature.
Journal ArticleDOI

Measuring Thermal Conductivity of Fluids Containing Oxide Nanoparticles

TL;DR: In this paper, a transient hot-wire method was used to measure the thermal conductivity of a small amount of nanoparticles and the experimental results showed that these nanoparticles have substantially higher thermal conductivities than the same liquids without nanoparticles.
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