laser flash Archives - Thermtest Inc.

Critical Review of Industrial Techniques for Thermal-Conductivity Measurements of Thermal Insulation Materials

Author(s): Emese Turzo-Andras, Jacques Hameury, Jiyu Wu, Radek Strnad, U. Hammerschmidt, Ulf Hammerschmidt

The ability of leading thermal conductivity measurement techniques to be applied to the thermal measurement of thermally insulated materials was investigated. Researchers required that the equipment be able to operate ...

Keywords: comparative thermal conductivity, Guarded Heat-Flow Meter, Guarded Hot-Plate, laser flash, thermal insulation, transient hot wire (THW) method, Transient Hot-Wire

On the Development of the Hot Strip, Hot Disc, and Pulse Hot Strip Methods for Measuring Thermal Transport Properties

Author(s):

This article is a review of techniques used to measure thermal transport properties. Emphasis is placed on the hot strip, hot disc, and pulse hot strip methods. The development, and ...

Keywords: Guarded Hot-Plate, Heat Flow Meter Method, Heat-Flow Meter, Hot Disc method, Hot Strip Method, Hot Wire Method, laser flash, Pulse Hot Strip Method, Specific Heat, Split Bar, Thermal Conductivity, Thermal Diffusivity, transient hot wire (THW) method

Exfoliation and Characterization of Bismuth Telluride Atomic Quintuples and Quasi-Two-Dimensional Crystals

Author(s): Alexander A. Balandin, Desalegne Teweldebrhan, Vivek Goyal

High-quality bismuth telluride crystals having a thickness of only a few atoms were prepared by a method similar to that for graphene mechanical exfoliation. The potential for these materials to ...

Keywords: AFM, atomic force microscopy, Atomic Force Microscopy (AFM), Electrical Current-Voltage, laser flash, Micro-Raman Spectroscopy, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TEM, Thermal Conductivity, Thermoelectric Materials, TPS Technique, Transmission electron microscopy, Transmission electron microscopy (TEM)

Thermal conductivity of porous materials

Author(s): Arnaud Alzina, Benoit Nait-Ali, David S. Smith, Fabienne Pennec, Hideaki Matsubara, Julie Bourret, Kodai Otsu, Nicolas Tessier-Doyen, Pierre Elser, Urs T. Gonzenbach

The effects of solid phase thermal conductivity, pore thermal conductivity, and pore volume fraction on the measured effective thermal conductivity of porous ceramics with pore volume fractions of 4 to 95% were ...

Keywords: ceramics, Heat Flow Apparatus, laser flash, porous materials, Thermal Conductivity, Thermal Diffusivity, transient hot wire (THW) method, Transient Hot-Wire, Transient Plane Source, Transient plane source (TPS) method

Thermal conductivity enhancement of nanostructure-based colloidal suspensions utilized as phase change materials for thermal energy storage: A review

Author(s): Hasan Babaei, J. M. Khodadadi, Liwu Fan

The authors have presented a literature review on computational and experimental studies on the thermal conductivity of nanostructure enhanced phase change materials (nePCMs). It was found that a wide range ...

Keywords: Carbon nanotubes, CNTs, laser flash, Nanoparticles, pcms, phase change materials, Thermal Conductivity, thermal energy storage, THW, TPS Method, transient hot wire (THW) method, Transient Hot-Wire, Transient Plane Source, Transient plane source (TPS) method

Thermal Conductivity of Poly-Alpha-Olefin (PAO)-Based Nanofluids

Author(s): Javier Artemio Narvaez

Three techniques were compared for the determination of thermal conductivity in poly-alpha-olefin (PAO)-based nanofluids. The three methods that were used were the transient hot wire, transient plane source, and ...

Keywords: laser flash, Nanofluids, Nanoparticles, Thermal Conductivity, transient hot wire (THW) method, Transient Hot-Wire, Transient Plane Source, Transient plane source (TPS) method

Transient Thermal Conductivity Measurements -Comparison of Destructive and Non-destructive Techniques

Author(s): Nancy Mathis

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 technique

Intercomparison of thermal conductivity and thermal diffusivity methods for plastics

Author(s): A. Dawson, B. Hay, C. Allen, H. Lobo, J. Morikawa, L. Halldahl, M. Rides

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) method

Keyword: laser flash

Critical Review of Industrial Techniques for Thermal-Conductivity Measurements of Thermal Insulation Materials

On the Development of the Hot Strip, Hot Disc, and Pulse Hot Strip Methods for Measuring Thermal Transport Properties

Exfoliation and Characterization of Bismuth Telluride Atomic Quintuples and Quasi-Two-Dimensional Crystals

Thermal conductivity of porous materials

Thermal conductivity enhancement of nanostructure-based colloidal suspensions utilized as phase change materials for thermal energy storage: A review

Thermal Conductivity of Poly-Alpha-Olefin (PAO)-Based Nanofluids

Transient Thermal Conductivity Measurements -Comparison of Destructive and Non-destructive Techniques

Intercomparison of thermal conductivity and thermal diffusivity methods for plastics

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