Journal ArticleDOI
Natural convection of nano-fluids
TLDR
In this article, an apparently paradoxical behaviour of heat transfer deterioration was observed in nano-fluid and its dependence on parameters such as particle concentration, material of the particles and geometry of the containing cavity have been investigated.Abstract:
Fluids with nano size solid particles suspended in them have been given the name nano-fluid which in recent studies have shown tremendous promise as heat transfer fluids. However, before suggesting such fluids for applications a thorough knowledge of physical mechanism of heat transfer in such fluids is wanted. The present study deals with one such aspect of natural convection of nano fluids inside horizontal cylinder heated from one end and cooled from the other. An apparently paradoxical behaviour of heat transfer deterioration was observed in the experimental study. Nature of this deterioration and its dependence on parameters such as particle concentration, material of the particles and geometry of the containing cavity have been investigated. The fluid shows characters distinct from that of common slurries.read more
Citations
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Journal ArticleDOI
Sedimentation in nanofluids during a natural convection experiment
TL;DR: In this article, the authors investigated the thermophysical properties of Al 2 O 3 -deionized (DI) H 2 O nanofluid under natural convection in the classical Rayleigh-Benard configuration, which consists of a cubic cell with conductive bottom and top plates, insulated sidewalls and optical access.
Journal ArticleDOI
The mechanism of heat transfer in nanofluids: state of the art ( review ). Part 2. Convective heat transfer
TL;DR: In this article, the authors considered the problems related to momentum and heat transfer in nanofluids and showed that for some problems on convective heat transfer there is a contradiction in data of different authors; possible reasons for this contradiction are analysed.
Book ChapterDOI
Heat and Mass Transfer in Fluids with Nanoparticle Suspensions
G. P. Peterson,Calvin H. Li +1 more
TL;DR: In this paper, a discussion on heat and mass transfer in fluids with nanoparticle suspensions is presented, and a graphical representation of the thermal conductivity as a function of volume fraction of Al 2 O 3 powders in different fluids is presented.
Journal ArticleDOI
A review on nanofluids: Data-driven modeling of thermalphysical properties and the application in automotive radiator
TL;DR: In this article, the authors summarized the recent research on data-driven modeling of nanofluids thermal physical properties based on artificial neural networks (ANN) and analyzed the potential applications of nanoparticles in automotive radiator.
Journal ArticleDOI
Buoyancy and Radiation Effect on Stagnation Point Flow of Micropolar Nanofluid Along a Vertically Convective Stretching Surface
TL;DR: In this article, the 2D boundary layer flow of natural convective micropolar nanofluid along a vertically stretching sheet is examined and the effects of emerging parameters on velocity, temperature, and nanoparticle volumetric expansion profiles are discussed.
References
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Book
A Treatise on Electricity and Magnetism
TL;DR: The most influential nineteenth-century scientist for twentieth-century physics, James Clerk Maxwell (1831-1879) demonstrated that electricity, magnetism and light are all manifestations of the same phenomenon: the electromagnetic field as discussed by the authors.
Journal ArticleDOI
Anomalously increased effective thermal conductivities of ethylene glycol-based nanofluids containing copper nanoparticles
TL;DR: In this paper, it was shown that a "nanofluid" consisting of copper nanometer-sized particles dispersed in ethylene glycol has a much higher effective thermal conductivity than either pure or pure glycol or even polyethylene glycol containing the same volume fraction of dispersed oxide nanoparticles.
Journal ArticleDOI
Thermal Conductivity of Heterogeneous Two-Component Systems
R. L. Hamilton,O. K. Crosser +1 more
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.
Journal ArticleDOI
Conceptions for heat transfer correlation of nanofluids
Yimin Xuan,Wilfried Roetzel +1 more
TL;DR: In this article, the authors proposed two different approaches for deriving heat transfer correlation of the nanofluid, and investigated the mechanism of heat transfer enhancement of the nano-fluid.
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