Results 61 to 70 of about 310,574 (194)

Prediction of Heat Transfer Characteristics of the Carbonized Layer of Resin-Based Ablative Material Based on the Finite Element Method

open access: yesInternational Journal of Aerospace Engineering, 2019
The microstructure of the carbonized layer of the low-density resin-based ablative thermal insulation material is observed, and multiscale unit cell models are established for the residual carbon deposition mode of a carbonization process, and then the ...
Junjie Gao   +3 more
doaj   +1 more source

Change in thermal resistance of snow cover by land reclamation in cryolithozone

open access: yesАграрная наука Евро-Северо-Востока
A brief review of research on variation of thermal resistance of snow cover and formulas to determine the thermal conductivity coefficient of snow are presented.
A. F. Galkin   +2 more
doaj   +1 more source

Effects of Ultrasonic Vibration on the Transport Coefficients in Plasma Arc Welding

open access: yesMetals, 2020
In ultrasound assisted plasma arc welding (U-PAW), the exerted ultrasonic vibration on the tungsten electrode interacts with the plasma arc and changes its heat-pressure characteristics.
Yongfeng Li, Chuansong Wu, Maoai Chen
doaj   +1 more source

Transport properties of Layer-Antiferromagnet CuCrS2: A possible thermoelectric material

open access: yes, 2010
The electrical, thermal conductivity and Seebeck coefficient of the quenched, annealed and slowly cooled phases of the layer compound CuCrS2 have been reported between 15K to 300K.
A. K. Rastogi   +15 more
core   +1 more source

An Analysis of Relations for Determining the Thermal Conductivity of Rigid Polymer Foams

open access: yesInternational Journal of Applied Mechanics and Engineering, 2018
In the paper the authors present the effectiveness of the generalized thermal conductivity method for polymer foams, including modelling their geometrical structure.
A. Alsabry   +3 more
doaj   +1 more source

Application of the non-stationary method of thermal diffusivity measurement for the evaluation of the thermal conductivity coefficient of geopolymer mortars [PDF]

open access: yesArchives of Civil Engineering
This article presents a study on the thermal properties of geopolymer mortars, which are novel materials with lower environmental impact and higher performance than Portland cement.
Maja Kępniak   +5 more
doaj   +1 more source

Anomalies of transport properties in antiferromagnetic YbMn2Sb2 compound

open access: yes, 2014
The low-temperature transport properties (resistivity, thermal conductivity, thermoelectric power) are experimentally investigated for the compound YbMn2Sb2.
Irkhin, V. Yu.   +3 more
core   +1 more source

Thermal Expansion Coefficient and Thermal Conductivity of WC Based Cemented Carbides.

open access: yesJournal of the Japan Society of Powder and Powder Metallurgy, 1993
The linear thermal expansion coefficient (α) and the thermal conductivity (κ) of cemented carbides are very important properties for hot wear resistant tools. The effects of various structural factors such as binder content, carbon content, WC grain size and composition of binder on those parameters were studied.The results obtained were as follows ...
Koji Shinohara   +2 more
openaire   +2 more sources

Thermal conductivity coefficient agorithm of fireproof materials for aluminum alloy and composite material structure on ships

open access: yesZhongguo Jianchuan Yanjiu, 2020
[Objectives] With the development of aluminum alloy and composite material structure on surface ships,fireproof materials nowadays are not able to meet the new requirements.
CHENG Jiahuan, YANG Honggang, SUN Baoguo
doaj   +1 more source

High-Temperature Transport Properties of the Zintl Phases Yb_(11)GaSb_9 and Yb_(11)InSb_9 [PDF]

open access: yes, 2010
Two rare-earth Zintl phases, Yb_(11)GaSb_9 and Yb_(11)InSb_9, were synthesized in high-temperature self-fluxes of molten Ga and In, respectively. Structures were characterized by both single-crystal X-ray diffraction and powder X-ray diffraction and are ...
Cox, Catherine A.   +4 more
core   +1 more source

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