Papers Author: Hu Zhang

Total Papers Found: 8

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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Effect of radiative heat transfer on determining thermal conductivity of semi-transparent materials using transient plane source method

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This study aimed to determine how reliable the Transient Plane Source (TPS) method is when testing semi-transparent materials that have varying extinction coefficients at different temperatures. A numerical experiment has ...

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The influence of gaseous heat conduction to the effective thermal conductivity of nano-porous materials

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The effective thermal conductivity of a commercial silica aerogel is determined at various gas pressures ranging from 0.001 Pa to 1 MPa in order to determine the contribution of gaseous heat conduction ...

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A numerical study on the theoretical accuracy of film thermal conductivity using transient plane source method 

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Currently, there is no research into the accuracy of the transient plane source (TPS) method for measuring the thermal conductivity of thin films. The purpose of this study is to ...

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Experimental and numerical study on thermal conductivity of proton exchange membrane

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Proton exchange membranes (PEM) are important components of proton exchange membrane fuel cells (PEMFC) which could potentially substitute fossil energy. The purpose of this study was to theoretically and experimentally ...

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Effective structure of aerogels and decomposed contributions of its thermal conductivity

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Aerogels are nano-porous materials with impressive thermal insulation properties. This study uses a new theoretical model to predict the effective thermal conductivity of aerogels based on gas and solid conduction, ...

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Influence of environmental factors on the adsorption capacity and thermal conductivity of silica nano-porous materials 

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Aerogels have a wide range of properties that make them effective thermal insulators. However, these properties are lost when the materials absorb too much water. The goal of this experiment ...

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A numerical study on the influence of insulating layer of the hot disk sensor on the thermal conductivity measuring accuracy 

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In this study, the thermal properties of stainless steel, ceramic, and silica aerogels were numerically calculated and then compared to actual test results. A hot disk thermal constants analyser measured ...

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