thermal effusivity Archives

Measurement of thermophysical properties in semi-infinite media by random heating and fractional model identification

Author(s): Jean-Christophe Batsale, Jean-Luc Battaglia, Olivier Fudym

This article briefly explains the transient plane source technique. This method is used to simultaneously measure thermal conductivity and thermal diffusivity of solids. A Kapton insulated nickel sensor emits electrical ...

Keywords: Analytical solution, Asymptotic, Green's functions, Impulse, probe, Semi-infinite media, Temperature, Thermal Conductivity, thermal effusivity, thermal properties measurements, Transient plane source (TPS)

The development of a standard for contact transient methods of measurement of thermophysical properties

Author(s): L. Kubicar, N. Lockmuller, R. P. Tye

Transient methods are often preferred to steady-state methods when testing the thermophysical properties of materials because of they are simple to use, can quickly produce measurements, and can simultaneously test ...

Keywords: Contact probe, Contact transient method (CTM), Hot strip, Hot wire, Medical application, Specific Heat, Technique comparison, Thermal Conductivity, Thermal Diffusivity, thermal effusivity, thermal properties measurements, transient methods

An extension to the dynamic plane source technique for measuring thermal conductivity, thermal diffusivity, and specific heat of dielectric solids

Author(s): Bashir M. Suleiman, Bui-Thi Nhi, Ernest Karawacki, Izhar-Ul-Haq

Using the dynamic plane source (DPS) technique, the thermal properties of highly and lowly thermally conducting materials were measured. The theory behind the technique is explained, and three well known ...

Keywords: Dielectric Solids, DPS, Dynamic Plane Source, Dynamic Plane Source (DPS) Technique, Specific Heat, Technique, Thermal Conductivity, Thermal Diffusivity, thermal effusivity, Transient measurements

Evaluation of thermal and moisture management properties on knitted fabrics and comparison with a physiological model in warm conditions

Author(s): Daniel Dupont, Eric Devaux, Fabien Salaun, Gauthier Bedek, Zuzana Martinkovska

Through the use of thermal conductivity and moisture related measurements, this article investigates the physical properties of undergarments of different compositions (cotton, polyester, rayon, viscose, etc.). This research is used ...

Keywords: Air Permeability, Caseto Software, Drying Time, Moisture Regain, Other Fabrics, porosity, Temperature, Thermal and Vapor Resistance, Thermal Conductivity, thermal effusivity, Thermal Resistance, thickness, TPS Method, Transient Plane Source, Transient plane source (TPS) method, Undergarments, Vapor, Water-Vapor Transmission Rate

Thermal conductivity measurement of insulating materials with a three layers device

Author(s): A. Degiovanni, G. Payet, Y. Jannot

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, Vacuum

Transient hot plate method with two temperature measurements for thermal characterization of metals

Author(s): A. Kanmogne, Y. Jannot, Z. Acem

This paper studied in-depth the transient hot plate method, by comparing this method to others in order to develop a short test time in which thermal effusivity and thermal conductivity ...

Keywords: Heat Transfer, hot plate, instrumentation applications, metal, Temperature, Thermal Conductivity, thermal effusivity, TPS, Transient Plane Source, Transient plane source (TPS)

Keyword: thermal effusivity

Measurement of thermophysical properties in semi-infinite media by random heating and fractional model identification

The development of a standard for contact transient methods of measurement of thermophysical properties

An extension to the dynamic plane source technique for measuring thermal conductivity, thermal diffusivity, and specific heat of dielectric solids

Evaluation of thermal and moisture management properties on knitted fabrics and comparison with a physiological model in warm conditions

Thermal conductivity measurement of insulating materials with a three layers device

Transient hot plate method with two temperature measurements for thermal characterization of metals

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