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thermal conductivity
(redirected from Thermal conductivities)

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thermal conductivity
n
(Physics / General Physics) a measure of the ability of a substance to conduct heat, determined by the rate of heat flow normally through an area in the substance divided by the area and by minus the component of the temperature gradient in the direction of flow: measured in watts per metre per kelvin. Symbol λ, k Sometimes shortened to conductivity
thermal conductivity
A measure of the ability of a material to transfer heat. Given two surfaces on either side of the material with a temperature difference between them, the thermal conductivity is the heat energy transferred per unit time and per unit surface area, divided by the temperature difference. It is measured in watts per degree Kelvin.
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CNTs are considered to be a type of very attractive filler for high-strength structural and high-performance functional polymer composites because of their tremendous mechanical strength, nanometer-scale diameter, high aspect ratio, and extremely high electrical and thermal conductivities (4-7).
The effects of triethylenetetramine grafting of multi-walled carbon ... by Yang, Kai; Gu, Mingyuan / Polymer Engineering and Science
As the thermal conductivities of most refrigerants are about one order of magnitude lower than that of water or EG, the characteristics of nanorefrigerants may be different from those of water- or EG-based nanofluids, and experiments on the thermal conductivities of nanorefrigerants featuring a variety of nanoparticles are necessary to determine the characteristics of nanorefrigerants.
Experimental and model research on nanorefrigerant thermal ... by Jiang, Weiting; Ding, Guoliang; Peng, Hao; Gao, Yifeng; Wang, Kaijian / HVAC & R Research
Through dispersion or suspension, nanoparticles of high thermal conductivities in heat-transfer fluids give rise to higher thermal conductivity of the mixtures, thus increasing their heat transfer coefficient.
Performance augmentation of a water chiller system using nanofluids by Liu, M.S.; Hu, R.; Lin, M.C.C.; Wang, C.C.; Liaw, J.S. / ASHRAE Transactions
 
 
 
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