Results 151 to 160 of about 310,574 (194)

Effective thermal conductivity coefficients of a grainy medium

Journal of Engineering Physics, 1981
An exact solution is presented for the problem of determination of effective thermal conductivity coefficients of a composite medium with regularly spaced spherical grains.
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A Study of Poor Conductor’s Thermal Conductivity Coefficient Measurement

Applied Mechanics and Materials, 2013
When measuring the thermal conductivities of poor conductor with steady-state method, some errors should be introduced through the process of the experimental principle derivation to the experimental data measurement. To satisfy the need of measurement, this study aims to improve the structure of the “TC-I1 Type thermal conductivity measuring apparatus”
Xue Song Leng, Kai Hua Ran, Yan Dong Wang   +2 more
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Determination of the thermal conductivity coefficient of inhomogeneous media

AIP Conference Proceedings, 2014
This paper proposes an approach to the determination of the thermal conductivity coefficient of the inhomogeneous multiphase material when thermal properties of the individual phases are known. This approach is very similar to the method of determining the effective stress-strain properties. Problems in determining the effective thermal characteristics
S. A. Bochkareva, N. Yu. Grishaeva, P. A. Lyukshin, B. A. Lyukshin   +3 more
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Transport in two dimensions. II the thermal conductivity coefficient

Physica A: Statistical Mechanics and its Applications, 1978
Abstract The study of generalized transport coefficients in two dimensions is continued. In this article, the thermal conductivity coefficient is examined. The Mori formalism is used and the set of variables consists of all finite multilinear products of two collective conserved variables, the energy density and the momentum density.
Herbert H-H Yuan, Irwin Oppenheim
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Heat transfer coefficients and thermal conductivity of cold liquids

International Journal of Heat and Mass Transfer, 1969
Abstract A method for measuring the thermal conductivity of a low temperature liquid and the heat-transfer coefficient between a freezing ice sphere and the low temperature liquid is presented. The calculations are based on equating the quantity of heat liberated by a freezing ice sphere to the amount of heat that crosses the ice-“mold” interface. By
David N. French, Clyde M. Adams
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Measurement methods for thermal conductivity coefficient

2023
Xiao Zhong, Xutong Yang, Junwei Gu
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New Method of Measurement of Coefficient of Thermal Conductivity

Applied Mechanics and Materials, 2014
Several conventional steady-state measuring methods of material coefficient of thermal conductivity was systemically compared and discussed. The limitations and shortcomings of the infinite flat layer method, the infinitely long cylinder method and the concentric spherical shell layer method were pointed out.
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Electrical Conductivity, Thermal Conductivity, Thermoelectric Power, Hall Coefficient, and Nernst Coefficient of Amorphous Substances Exhibiting Electronic Conduction [1]

1965
In preceding chapters, we investigated the general features of the scattering of electrons in amorphous conductors and calculated the electron mean free path allowing for the scattering due to the departures from long-range order and for the phonon—liquid scattering.
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Substitute thermal conductivity coefficient for multi-component ceramic materials

Journal of Materials Processing Technology, 2003
Abstract On the example of granular material (as quartz sand bonded by resin, used for mould production in metallic alloy casting—in foundry industry), the phenomenon complexity level in a such porous material during heat transfer, is presented.
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Thermal conductance and the Peltier coefficient of carbon nanotubes

Physical Review B, 1996
, Lin, , Chuu, , Shung
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