Results 51 to 60 of about 701,389 (226)

Assessment for Thermal Conductivity of Frozen Soil Based on Nonlinear Regression and Support Vector Regression Methods

open access: yesAdvances in Civil Engineering, 2020
The comprehensive understanding of the variation law of soil thermal conductivity is the prerequisite of design and construction of engineering applications in permafrost regions. Compared with the unfrozen soil, the specimen preparation and experimental
Fu-Qing Cui   +6 more
doaj   +1 more source

Experimental Determination of the Lorenz Number in Cu0.01Bi2Te2.7Se0.3 and Bi0.88Sb0.12

open access: yes, 2012
Nanostructuring has been shown to be an effective approach to reduce the lattice thermal conductivity and improve the thermoelectric figure of merit. Because the experimentally measured thermal conductivity includes contributions from both carriers and ...
A. F. Ioffe   +12 more
core   +1 more source

Thermal conductivity engineering of bulk and one-dimensional Si-Ge nanoarchitectures

open access: yesScience and Technology of Advanced Materials, 2017
Various theoretical and experimental methods are utilized to investigate the thermal conductivity of nanostructured materials; this is a critical parameter to increase performance of thermoelectric devices.
Ali Kandemir   +3 more
doaj   +1 more source

Influence of Hybrid Fillers on Thermal Conductivity of Nylon-6/Graphene Composites

open access: yesCailiao gongcheng, 2018
The thermal insulating properties of polymer greatly restrict the application of polymer as the thermal conductivity materials in industry. Multilayer graphene was chosen as a filler due to its unique thermal transfer property.
SONG Na   +6 more
doaj   +1 more source

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  

Impact of Screw and Edge Dislocation on the Thermal Conductivity of Nanowires and Bulk GaN

open access: yes, 2017
We report on thermal transport properties of wurtzite GaN in the presence of dislocations, by using molecular dynamics simulations. A variety of isolated dislocations in a nanowire configuration were analyzed and found to reduce considerably the thermal ...
Belabbas, Imad   +5 more
core   +2 more sources

Experimental measurement of thermal conductivity of stereolithography photopolymer resins

open access: yesSN Applied Sciences, 2022
The rise in the use of additive manufacturing highlights the importance of knowing the properties of the materials employed in this technology. Therefore, for the commercialization of thermal applications with this technology, heat management is ...
A. Oval-Trujillo   +4 more
doaj   +1 more source

Phonon Band Structure and Thermal Transport Correlation in a Layered Diatomic Crystal

open access: yes, 2006
To elucidate the relationship between a crystal's structure, its thermal conductivity, and its phonon dispersion characteristics, an analysis is conducted on layered diatomic Lennard-Jones crystals with various mass ratios.
A. A. Maradudin   +10 more
core   +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   +3 more sources

Phonon transport in $\mathrm{Na_2He}$ at high pressure from a first-principles study

open access: yes, 2017
Phonon transport of recently-fabricated $\mathrm{Na_2He}$ at high pressure is investigated from a combination of first-principles calculations and the linearized phonon Boltzmann equation within the single-mode relaxation time approximation (RTA).
Guo, San-Dong, Zhang, Ai-Xia
core   +1 more source

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