Articles with "heat conductivity" as a keyword



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Global strong solution to a thermodynamic compressible diffuse interface model with temperature‐dependent heat conductivity in 1D

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Published in 2021 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.7597

Abstract: In this paper, we investigate the wellposedness of the nonisentropic compressible Navier–Stokes/Allen–Cahn system with the heat conductivity proportional to a positive power of the temperature. This system describes the flow of a two‐phase immiscible heat‐conducting… read more here.

Keywords: heat; heat conductivity; temperature; two phase ... See more keywords
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Recovering temperature-dependent heat conductivity in 2D and 3D domains with homogenization functions as the bases

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Published in 2021 at "Engineering With Computers"

DOI: 10.1007/s00366-021-01384-w

Abstract: The paper solves the parameters identification problem in a nonlinear heat equation with homogenization functions as the bases, which are constructed from the boundary data of the temperature in the 2D and 3D space-time domains.… read more here.

Keywords: heat conductivity; temperature dependent; homogenization functions; heat ... See more keywords
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Heat Conduction of Ceramic Materials Based on MgAl2O4 and ZnAl2O4

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Published in 2020 at "Journal of Engineering Physics and Thermophysics"

DOI: 10.1007/s10891-020-02171-y

Abstract: Optically transparent samples of ceramic materials based on the magnesium aluminate and zinc aluminate spinels of density close to the theoretically attainable one have been obtained, and their heat conductivity was measured in the temperature… read more here.

Keywords: aluminate; materials based; ceramic materials; heat conductivity ... See more keywords
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On the identification of the heat conductivity distribution from partial dynamic boundary measurements

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Published in 2019 at "Applicable Analysis"

DOI: 10.1080/00036811.2019.1698723

Abstract: ABSTRACT This work deals with an inverse boundary value problem arising from the equation of heat conduction. We reconstruct small perturbations of the (isotropic) heat conductivity distribution from partial (on accessible part of the boundary)… read more here.

Keywords: distribution partial; heat conductivity; conductivity distribution; dynamic boundary ... See more keywords
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Global large solutions to the planar magnetohydrodynamics equations with constant heat conductivity

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Published in 2019 at "Boundary Value Problems"

DOI: 10.1186/s13661-019-1275-0

Abstract: This paper is concerned with global existence of large solutions to the initial-boundary value problem of the planar magnetohydrodynamic compressible flow. Under the assumptions that viscosity and heat conductivity coefficients are constants, magnetic diffusion is… read more here.

Keywords: heat conductivity; magnetohydrodynamics; global large; large solutions ... See more keywords
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The Heat Conductivity Properties of Hemp–Lime Composite Material Used in Single-Family Buildings

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Published in 2020 at "Materials"

DOI: 10.3390/ma13041011

Abstract: The main goal of the paper is to calculate the heat conductivity for three experimental hemp–lime composites used for structural construction purposes with the use of the experimental stand inside two compartments. Due to current… read more here.

Keywords: lime composite; construction; heat conductivity; material ... See more keywords
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Theoretical Study of the Effect of Fibre Porosity on the Heat Conductivity of Reinforced Gypsum Composite Material

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Published in 2022 at "Polymers"

DOI: 10.3390/polym14193973

Abstract: In recent years, there has been an increasing demand for engineering materials that possess good mechanical and thermal properties and are cheap an d environmentally friendly. From an industrial and academic point of view, there… read more here.

Keywords: heat conductivity; polymer composites; fibre; porosity ... See more keywords
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Asymptotic Behavior of the Solution to Compressible Navier-Stokes System with Temperature-Dependent Heat Conductivity in an Unbounded Domain

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Published in 2022 at "Symmetry"

DOI: 10.3390/sym15010112

Abstract: This paper concerns the one-dimensional compressible Navier–Stokes system with temperature-dependent heat conductivity in R with large initial data. We prove that velocity and temperature are uniformly bounded from below and above in time and space… read more here.

Keywords: temperature; heat conductivity; navier stokes; compressible navier ... See more keywords