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
Citations
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Journal ArticleDOI
Experimental investigation of forced convective heat transfer coefficient in nanofluids of Al2O3/EG and CuO/EG in a double pipe and plate heat exchangers under turbulent flow
A. Zamzamian,Shahin Nasseri Oskouie,Shahin Nasseri Oskouie,Ahmad Doosthoseini,Aliakbar Joneidi,Aliakbar Joneidi,Mohammad Pazouki +6 more
TL;DR: In this article, the authors measured the forced convective heat transfer coefficient of the nanofluids using theoretical correlations in order to compare the results with the experimental data and evaluated the effects of particle concentration and operating temperature.
Journal ArticleDOI
Effect of clustering on the thermal conductivity of nanofluids
TL;DR: In this article, a simple precipitation technique was used to synthesize 8 nm CuO nanoparticles of average diameter 8 nm and the authors studied the thermal properties of the suspensions and found that the thermal conductivity increases nonlinearly with the volume fraction of nanoparticles.
Journal ArticleDOI
Thermal Conductivity Enhancement in Aqueous Suspensions of Carbon Multi-Walled and Double-Walled Nanotubes in the Presence of Two Different Dispersants
TL;DR: In this article, carbon multi-walled nanotubes (C-MWNTs) and alternatively carbon double-weled nanotsubes (DWNTs), were added in water, following their previous work, to enhance the thermal conductivity of this traditional heat transfer fluid.
Journal ArticleDOI
Effect of chemical functionalization on thermal transport of carbon nanotube composites
TL;DR: In this article, the role of chemical bonding between the matrix and the fiber on thermal transport in carbon nanotube organic matrix composites was analyzed using molecular dynamics simulations and it was shown that chemical bonding significantly reduces tube-matrix thermal boundary resistance, but at the same time decreases intrinsic tube conductivity.
Journal ArticleDOI
Thermal conductivity of nanoparticle suspensions
TL;DR: In this paper, an optical beam deflection technique was used for measurements of the thermal diffusivity of fluid mixtures and suspensions of nanoparticles with a precision of better than 1%.
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.
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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.
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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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