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Keyword: anisotropic

Total Papers Found: 11
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Theoretical accuracy of anisotropic thermal conductivity determined by transient plane source method

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This article studied the potential thermal conductivity deviation of anisotropic materials using a numerical simulation. Anisotropic thermal conductivity may experience deviation due to its noncompliance of the theoretical assumption of ...

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A simple dynamic measurement technique for comparing thermal insulation performances of anisotropic building materials

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The authors have presented a review of steady-state and transient measurement techniques for the determination of thermal conductivity, and have introduced a new method for the determination of thermal transport ...

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Predictions of effective thermal conductivities for three-dimensional four-directional braided composites using the lattice Boltzmann method

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The authors present a multiple-relaxation-time lattice Boltzmann model with an off-diagonal collision matrix for use in predicting the thermal conductivity of anisotropic heterogeneous materials with anisotropic components. Model accuracy was ...

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Determination of specific heat capacity by transient plane source

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This study developed a model that used a transient plane source (TPS) sensor to measure the specific heat capacity of anisotropic materials. The underside of a sample holder with a ...

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Heat transfer of mineral-filled polypropylene foams 

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Minerals are often added to polypropylene (PP) foams to improve thermal conductivity. The aim of this study was to test and compare the thermal conductivity of unfilled, magnesium hydroxide (Mg(...

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On the use of transient plane source sensors for studying materials with direction dependent properties 

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The Transient Plane Source (TPS) Technique measures the thermal conductivity, thermal diffusivity, and specific heat of solids and liquids. An electrically conducting double spiral nickel sensor pulses a current through ...

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Thermally insulating and fire-retardant lightweight anisotropic foams based on nanocellulose and graphene oxide

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The researchers used the Hot Disk instrument to measure the thermal properties (thermal conductivity and specific heat) of anisotropic thermally insulating foams produced by the mixing of nanocellulose, graphene oxide ...

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Synergistic Effects of Carbon Fillers in Thermally Conductive Liquid Crystal Polymer Based Resins

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Three different carbons (carbon black, synthetic graphite particles and carbon fiber) were added to Vectra A950RX Liquid Crystal Polymer in order to synthesize different composites for use in fuel ...

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Thermal conductivity of carbon fiber/liquid crystal polymer composites

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Two different types of polyacrylonitrile carbon fibers (Fortafil 243 and Panex 30) were added to thermoplastic matrix (Vectra A950RX Liquid Crystal Polymer) in order to generate carbon fiber/liquid-crystal polymer composites. ...

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Estimation of the Mean Thermal Conductivity of Anisotropic Materials

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With the use of multiple thermal instruments, the thermal conductivity (lambda) of fibrous insulations was measured in the plane direction. In this study, a method was put forth the estimate ...

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