Journal ArticleDOI
Anomalous thermal conductivity enhancement in nanotube suspensions
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TLDR
In this paper, the authors have produced nanotube-in-oil suspensions and measured their effective thermal conductivity, which is anomalously greater than theoretical predictions and is nonlinear with nanotubes loadings.Abstract:
We have produced nanotube-in-oil suspensions and measured their effective thermal conductivity. The measured thermal conductivity is anomalously greater than theoretical predictions and is nonlinear with nanotube loadings. The anomalous phenomena show the fundamental limits of conventional heat conduction models for solid/liquid suspensions. We have suggested physical concepts for understanding the anomalous thermal behavior of nanotube suspensions. In comparison with other nanostructured materials dispersed in fluids, the nanotubes provide the highest thermal conductivity enhancement, opening the door to a wide range of nanotube applications.read more
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Local convective heat transfer coefficient and friction factor of CuO/water nanofluid in a microchannel heat sink
TL;DR: Forced convective heat transfer in a microchannel heat sink (MCHS) using CuO/water nanofluids with 0.1 and 0.2vol% as coolant was investigated in this article.
Journal ArticleDOI
Dual solutions for stagnation-point flow and convective heat transfer of a Williamson nanofluid past a stretching/shrinking sheet
TL;DR: In this article, the problem of boundary layer stagnation-point flow and heat transfer of a Williamson nanofluid on a linear stretching/shrinking sheet with convective boundary condition is studied.
Journal ArticleDOI
Buoyancy induced flow in a nanofluid filled enclosure partially exposed to forced convection
TL;DR: In this article, a numerical study was performed on natural convection for water-CuO nanofluid filled enclosure where the top surface was partially exposed to convection, and the results showed that heat transfer along the heated was enhanced by increasing the Rayleigh number mainly at the upper portion of the heated wall.
Journal ArticleDOI
Scattering and absorption properties of carbon nanohorn-based nanofluids for solar energy applications
TL;DR: In this article, the scattering and absorption properties of aqueous suspensions of single wall carbon nanohorns of different morphologies and prepared with different amounts of surfactant were evaluated in order to use them as direct sunlight absorber fluids in solar devices.
Journal ArticleDOI
A comparative study of nanofluids flow yields by an inclined cylindrical surface in a double stratified medium
TL;DR: In this paper, the authors considered both Newtonian and non-Newtonian nanofluids stagnation point flow towards an inclined cylindrical surface and derived the reduced system of ODEs by transforming flow narrating PDEs with the aid of appropriate transformation.
References
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Journal ArticleDOI
Helical microtubules of graphitic carbon
TL;DR: Iijima et al. as mentioned in this paper reported the preparation of a new type of finite carbon structure consisting of needle-like tubes, which were produced using an arc-discharge evaporation method similar to that used for fullerene synthesis.
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.
Book
Physical properties of carbon nanotubes
TL;DR: In this paper, an introductory textbook for graduate students and researchers from various fields of science who wish to learn about carbon nanotubes is presented, focusing on the basic principles behind the physical properties and giving the background necessary to understand the recent developments.
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
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