Keyword: TPS

Total Papers Found: 38

Thermal conductivity of catalyst layer of polymer electrolyte membrane fuel cells: Part 1 – Experimental study

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In this paper, a new method is proposed for measuring the through plane thermal conductivity of two catalyst layers of different thicknesses by the guarded heat flow meter (GHF) method, ...

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The development of a microfabricated transient planar source (TPS) sensor for measuring thermal conductivity of nanofluids

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The addition of thermally conductive nanoparticles to conventional heat transfer fluids enhances their performance so they can be used for high-powered applications. However, as nanoparticles are added, the liquid becomes ...

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Thermal conductivity versus depth profiling of inhomogeneous materials using the hot disk technique

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This research highlights the capabilities of transient measurements and hot disc sensors to estimate thermal conductivities of samples with large voids/variations in their compositions. Because of the lack of ...

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Thermal Characterization of Lauric–Stearic Acid/Expanded Graphite Eutectic Mixture as Phase Change Materials

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Expanded graphite (EG) was added to lauric acid (LA)-stearic acid (SA) phase change materials to enhance their thermal conductivities. The PCMs were prepared in varying mass fractions of LA ...

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Effective thermal conductivity and diffusivity of GeSeSb glasses measured simultaneously as a function of temperature and fit to empirical equations

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The effective thermal conductivity and thermal diffusivity was measured for chalcogenide glass samples of the formulation Ge30-xSe70Sbx (x = 10, 15, 20, 25). It was found that both the effective thermal conductivity and ...

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Thermal interface materials based on carbon nanotubes and their thermal characterization

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The effects of using different fillers and the effects of filler content and particle size on the thermal properties of thermal interface materials were investigated. The most prominent enhancement in ...

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Improvement of Soft Tooling Process Through Particle Reinforcement with Polyurethane Mould

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In the soft tooling process for making moulds, polyurethane is often used as a flexible mould material. The low thermal conductivity of polyurethane results in a long solidification time of ...

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Thermal Conductivity Measurements in Nanofluids via the Transient Planar Source Method

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The transient plane source (TPS) method was used to measure the thermal conductivity of automotive coolants, as well as equivalent nanofluids to these coolants. The results of the study indicated ...

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CO2-blown microcellular non-isocyanate polyurethane (NIPU) foams: from bio- and CO2-sourced monomers to potentially thermal insulating materials

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Low-density microcellular non-isocyanate polyurethane (NIPU) foams were prepared using biological compounds and carbon dioxide. The morphology of these foams was investigated by scanning electron microscopy (SEM), and the thermal conductivity ...

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Cleaner production of the lightweight insulating composites: Microstructure, pore network and thermal conductivity

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A porous matrix was prepared using low-density sawdust and a metakaolin-based geopolymer paste. The matrix was prepared in order to evaluate its performance as a thermally insulating building envelope. The ...

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