Results 21 to 30 of about 3,193,604 (289)

Studying thermal conductivity of magnetic nanofluids in constant magnetic field

open access: yesMATEC Web of Conferences, 2017
The thermal conductivity of magnetic nanofluids in a constant magnetic field is investigated. The concentration dependence of the thermal conductivity coefficient of magnetic fluids based on water and iron oxide nanoparticles Fe3O4 in a constant magnetic
Pryazhnikov Maxim   +3 more
doaj   +1 more source

Field investigation of efficient thermal conductivity of snow cover on Spitsbergen

open access: yesЛëд и снег, 2015
This paper presents results of field investigations of coefficient of efficient thermal conductivity of snow with different structures and densities. Observations were performed in spring of 2013 in the vicinity of meteorological station Barentsburg. The
N. I. Osokin, A. V. Sosnovsky
doaj   +1 more source

Optimization of the thermophysical properties of the thermal barrier coating materials based on GA-SVR machine learning method: illustrated with ZrO2 doped DyTaO4 system

open access: yesMaterials Research Express, 2021
It is a critical issue to reduce the thermal conductivity and increase the thermal expansion coefficient of ceramic thermal barrier coating (TBC) materials in the course of their utilization.
Wenjie Zhu   +5 more
doaj   +1 more source

Calculation of thermal conductivity coefficient of thermal insulation mixtures

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Abstract The majority of prospective deposits of oil and natural gas in the Russian Federation are located in the zones of permanently frozen rocks - the permafrost. This region is characterized not only by harsh climatic conditions, causing difficulty in development of the deposits, but also by negative cryogenic processes impacting the
A F Galkin, I V Kurta, V Yu Pankov
openaire   +1 more source

The effect of hydrogen functionalization on the thermal properties of coiled carbon nanotubes [PDF]

open access: yesمجله مدل سازی در مهندسی, 2023
Making new materials to control heat transfer has always been of interest. Carbon-based nanomaterials are promising for heat transfer due to their excellent thermal properties.
Mahdi Azhari   +2 more
doaj   +1 more source

CALCULATION OF THERMAL CONDUCTIVITY COEFFICIENTS FOR MAGNETIZED NEUTRON STAR [PDF]

open access: yesThe Thirteenth Marcel Grossmann Meeting, 2015
The coefficients that determine the electron heat transfer and diffusion in the crust of neutron stars are calculated on the basis of a solution of the Boltzmann equation with allowance for degeneracy.
Glushikhina, M. V.   +1 more
openaire   +2 more sources

Estimation of thermal conductivity of snow by its density and hardness in Svalbard

open access: yesЛëд и снег, 2018
The results of experimental investigation of thermal conductivity of snow on the Svalbard archipelago in the conditions of natural occurrence are considered.
V. M. Kotlyakov   +2 more
doaj   +1 more source

Thermoelectric properties of composite materials based on lead telluride

open access: yesФізика і хімія твердого тіла, 2022
The study of composite materials based on mechanical mixtures of microdispersed PbTe and nanodispersed additional component ZnO, TiO2, SiO2 (50-70 nm) or microdispersed CdTe (32-50 μm) was performed.
O.M. Matkivskiy   +4 more
doaj   +1 more source

Coefficient of Thermal Conduction: Homogenized Tissues: Thermal Conduction and the Rate of Blood Flow [PDF]

open access: yesNature, 1962
THE coefficient of thermal conductivity has already been measured for slices of various dog tissues1, and found to vary from 0.6 × 10−3 for fresh lung to 5.5 × 10−3 for fresh muscle. The same apparatus can be used for measuring K for homogenized tissues; in general, these have values of K which vary less from each other than do those for tissue slices.
JOSEPH MANGIARDI, ERIC PONDER
openaire   +1 more source

Effect of solid thermal conductivity and particle-particle contact on effective thermodiffusion coefficient in porous media [PDF]

open access: yes, 2011
Transient mass transfer associated to a thermal gradient through a saturated porous medium is studied experimentally and theoretically to determine the effect of solid thermal conductivity and particle-particle contact on thermodiffusion processes.
Davarzani, Hossein   +5 more
core   +1 more source

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