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Recommended Papers for: TPS

Total Papers Found: 38

Transient techniques for measurements of thermal properties of solids: data evaluation within optimized time intervals

This article discusses the theory and details the experimental procedures for measuring the thermal conductivity, thermal diffusivity, and specific heat capacity using the transient plane source (TPS) and the dynamic plane source (DPS). Parameter estimation theory enabled the analysis of sensitivity coefficients to define the optimal time window for testing. Experimental measurements were performed on polymethylmetacrylate (PMMA) and polycarbonate....


Thermal transport in chemically doped polyaniline materials

Four electrically conductive polymers were tested for their thermal transport properties to better understand their degradation mechanism with temperature. The samples that were tested were polyaniline polymers doped with varying amounts of nickel and aluminum. It was found that the thermal conductivities increased as the aluminum:nickel ratio increased, and that the thermal conductivity and thermal diffusivity of the samples increased with temperature until they reached a maximum value, and ...

Author(s): , , , ,

Composition Control and Thermoelectric Properties of Quaternary Chalcogenide Nanocrystals: The Case of Stannite Cu2CdSnSe4

The authors present a method of producing Cu2CdSnSe4 quaternary nanocrystals using a colloidal synthesis route that could be used for future industrial synthesis. The nanocrystals prepared showed great potential for use as a thermoelectric material due to their high thermoelectric figure of merit (up to 0.71) resulting from a high electrical conductivity and low thermal conductivity. The authors believed that these properties could be further tuned in order to increase ...

Author(s): , , , , , , , , , , , , , ,

Composites of Sulfonated Polystyrene-block-Poly (ethylene-ran-butylene)-block-Polystyrene and Graphite-Polyoxometalate: Preparation, Thermal and Electrical Conductivity

Sulfonated polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene (SPSPB) was used as a polymer matrix to create polymeric nanocomposites using graphite (G) and graphite-polyoxometalate (G-POM) as fillers. It was found that the nanocomposites had higher thermal and electrical conductivities than SPSPB alone, and that both the thermal and the electrical conductivity increased with increasing filler concentration. At all filler contents tested, the SPSPB/G-POM had both a higher thermal conductivity and a higher electrical ...


Fabrication of paraffin-SiO2 shape-stabilized composite phase change material via chemical precipitation method for building energy conservation

The authors have prepared a shape-stabilized composite phase change material (ss-CPCM) using paraffin encapsulated in SiO2. SiO2 was chosen because of its low cost, such that the resultant ss-CPCM would be a feasible option for use at the commercial or industrial scale. The composite was examined using FTIR and XRD and it was confirmed that it had excellent chemical compatibility and stability. The thermal storage capability and thermal conductivity results ...

Author(s): , , , , ,