Results 11 to 20 of about 142,352 (266)

Lattice Boltzmann modeling of the effective thermal conductivity in plant fiber porous media generated by Quartet Structure Generation Set

open access: yesMaterials & Design, 2023
This study proposes a novel approach that combines a Quartet Structure Generation Set (QSGS) algorithm with the Lattice Boltzmann Method (LBM) to investigate effective thermal conductivity in plant fiber materials.
Rui Li   +6 more
doaj   +1 more source

Calculating the effective thermal conductivity of gray cast iron by using an interconnected graphite model

open access: yesChina Foundry, 2020
A new theoretical model of gray cast iron taking into account a locally interconnected structure of flake graphite was designed, and the corresponding effective thermal conductivity was calculated using the thermal resistance network method.
Guang-hua Wang, Yan-xiang Li
doaj   +1 more source

Thermal transport study in actinide oxides with point defects

open access: yesNuclear Engineering and Technology, 2019
We use a molecular dynamics simulation to explore thermal transport in oxide nuclear fuels with point defects. The effect of vacancy and substitutional defects on the thermal conductivity of plutonium dioxide and uranium dioxide is investigated.
Alex Resnick   +4 more
doaj   +1 more source

Experimental study on thermal conductivity of calcareous sand

open access: yesYantu gongcheng xuebao, 2019
The thermal conductivity of calcareous sand in the South China Sea is measured under different conditions by the thermal probe method, and the effects of water content, dry density, temperature, particle size and other factors on the thermal conductivity
FU Hui-li 1, 2, MO Hong-yan 2, ZENG Zhao-tian 1,2, ZHENG Chuan 1, 2, XU Yun-shan 2
doaj   +1 more source

Thermal Conductance of Andreev Interferometers [PDF]

open access: yesPhysical Review Letters, 2005
We calculate the thermal conductance $G^T$ of diffusive Andreev interferometers, which are hybrid loops with one superconducting arm and one normal-metal arm. The presence of the superconductor suppresses $G^T$; however, unlike a conventional superconductor, $G^T/G^T_N$ does not vanish as the temperature $T\to0$, but saturates at a finite value that ...
Jiang, Z., Chandrasekhar, V.
openaire   +3 more sources

Thermal Conductivity of Powders [PDF]

open access: yesNature, 1949
ACCORDING to a note in Physical Abstracts1, R. L. Mullokandov2 finds that thermal conductivity of powders is practically due only to the convection in the surrounding gas, and that hence "a layer of smooth spherical particles in vacuum may be used as a good thermal insulator". This was discovered by M. Smoluchowski some forty years ago3.
openaire   +2 more sources

Thermal conductivity of supercooled water [PDF]

open access: yesPhysical Review E, 2013
The heat capacity of supercooled water, measured down to -37 °C, shows an anomalous increase as temperature decreases. The thermal diffusivity, i. e., the ratio of the thermal conductivity and the heat capacity per unit volume, shows a decrease. These anomalies may be associated with a hypothetical liquid-liquid critical point in supercooled water ...
Biddle, John W.   +3 more
openaire   +3 more sources

Probing thermal conductivity of interphase in epoxy alumina nanocomposites

open access: yesPolymers and Polymer Composites, 2022
The objective of this research is to determine the thermal conductivity of the interphase in epoxy alumina nanocomposites. First, TPS 500 measures the thermal conductivity of epoxy alumina nanocomposite samples. Following that, a numerical model based on
Manohar Singh, Jeewan Chandra Pandey
doaj   +1 more source

The Electronic Thermal Conductivity of Graphene [PDF]

open access: yesNano Letters, 2016
Graphene, as a semimetal with the largest known thermal conductivity, is an ideal system to study the interplay between electronic and lattice contributions to thermal transport. While the total electrical and thermal conductivity have been extensively investigated, a detailed first-principles study of its electronic thermal conductivity is still ...
Kim Tae Yun   +2 more
openaire   +4 more sources

Thermal Conductivity of Defective Graphene Oxide: A Molecular Dynamic Study

open access: yesMolecules, 2019
In this paper, the thermal properties of graphene oxide (GO) with vacancy defects were studied using a non-equilibrium molecular dynamics method. The results showed that the thermal conductivity of GO increases with the model length.
Yi Yang   +7 more
doaj   +1 more source

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