Using the TPS method, the authors measured the thermal conductivity and thermal diffusivity of samples of Swedish wood. They also looked at the effect of density, porosity and anisotropy on ...Read More
Keyword: Thermal Diffusivity
Transient hot-strip method for measuring thermal conductivity and specific heat of solids and fluids: Second order theory and approximations for short times
Describes how second-order terms are important to the hot-strip method, and should be included in situations where a high-current pulse is being used. The authors determined approximate values for the ...Read More
Outlines the problems with measuring the thermal conductivity of low-density insulating materials and addresses this by proposing a three layer method for the accurate measurement of thermal conductivity. This method ...
Keywords: 3D Transfer Function, COMSOL Simulation, concrete, Convolution, Low-Density Insulating Materials, Sensitivity Analysis, Temperature, Thermal Conductivity, Thermal Diffusivity, thermal effusivity, Three Layers Experimental Device, VacuumRead More
Transient Thermal Conductivity Measurements -Comparison of Destructive and Non-destructive Techniques
Author(s): Nancy MathisTransient Plane Source
This paper discusses thermal conductivity measurements on homogenous and non-homogenous materials, using three transient methods: Laser Flash Method (LFM), Modified Hot Wire (MHW), and the Transient Plane Source (TPS). This ...
Keywords: ceramics, composite materials, Foams, Homogeneity, Homogeneous materials, laser flash, MHW, Modified hot wire method, Modified hot wire method (MHW), Nondestructive, Penetration, Reflections, Testing depth, Thermal Conductivity, Thermal Diffusivity, TPS, Transient Plane Source, Transient plane source (TPS), transient techniqueRead More
The measurement of thermal and ultrasonic properties of biological tissues is essential for the assessment of the temperature rise induced in vivo by diagnostic ultrasound. In this paper, we present ...
Keywords: biological tissues, bone, diagnostic ultrasound, fat, in vivo, muscle, SAM, scanning acoustic macroscope, scanning acoustic macroscope (SAM), speed of sound, Temperature, Thermal Conductivity, Thermal Diffusivity, ultrsonic attenuation, vivo porcine tissueRead More
Thermal conductivity and thermal diffusivity of two poly(methyl methacrylates) were measured using multiple methods; temperature wave analysis, laser flash, transient plane source, transient line-source probe, and heat flux meter. ...
Keywords: density, heat flux, intercomparison, laser flash, plastics, polymers, specific heat capacity, temperature wave analysis, Thermal Conductivity, Thermal Diffusivity, TPS, Transient Plane Source, Transient plane source (TPS) methodRead More
Thermal conductivity and thermal diffusivity analyses of low-density polyethylene composites reinforced with sisal, glass and intimately mixed sisal/glass fibres
The thermal conductivity and thermal diffusivity of SRP (sisal-reinforced polyethylene), GRP (glass-reinforced polyethylene), and GSRP (sisal/glass hybrid fibre-reinforced polyethylene) were tested from 120 to 350K. Results showed variances in thermal ...
Keywords: anisotropic, cryogenic, fibres, glass, glass-reinforced polyethylene, glass-reinforced polyethylene (GRP), GRP, GSRP, isotropic, photons, short-fiber composites, sisal fibres, sisal-reinforced polyethylene, sisal-reinforced polyethylene (SRP), sisal/glass hybrid fibre-reinforced polyethylene, sisal/glass hybrid fibre-reinforced polyethylene (GSRP), SRP, Temperature, Thermal Conductivity, Thermal DiffusivityRead More
Measurements of thermal properties of insulation materials by using transient plane source technique
Author(s): S. A. Al-AjlanTransient Plane Source
This article delves into the depths of the transient plane source (TPS) method for measuring thermal conductivity. When dealing with insulative materials, thermal conductivity is one of the most important ...
Keywords: density, energy conservation, measurement, R-value, Specific Heat, Thermal Conductivity, Thermal Diffusivity, thermal insulation, TPS, Transient Plane Source, Transient plane source (TPS) method, transmission of heat, transmission of heat (R-value)Read More
This paper highlights the use of the transient plane source (TPS) technique to test the thermal properties of porous building materials, such as autoclaved aerated concrete and calcium silicate boards ...Read More