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Keyword: Transient Plane Source Technique

Total Papers Found: 34

Thermoelectric Properties of Ca3xDyxCo4O9+d with x = 0.00, 0.02, 0.05, and 0.10

Author(s): , ,

The low-temperature thermoelectric properties of Ca3-xDyxCo4O9+delta systems (x = 0, 0.02, 0.05, and 0.10). It was determined that these systems produced positive thermopower, indicating that the dominant carriers were holes. The electrical ...

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Porous thermal insulation materials derived from fly ash using a foaming and slip casting method         

Author(s): , , , , ,

Coal fly ash was used as the base material for the formation of thermal insulation materials. The porosity of the produced materials ranged from 86.3-94.5 vol. %. The insulating materials were ...

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Monodisperse Hollow Silica Nanospheres for Nano Insulation Materials: Synthesis, Characterization, and Life Cycle Assessment

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The authors present the synthesis of hollow silica nanospheres (HSNSs) by a template-assisted approach using polystyrene nanospheres as templates. These nanospheres could potentially be used as nano insulation materials due ...

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High thermoelectric performance in Bi2-xPbxBa2Co2Oy promoted by directional growth and annealing

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The laser floating zone method was used to prepare Pb doped Bi2-xPbxBa2Co2Oy thermoelectric materials with x=0, 0.2, 0.4, and 0.6. The highest power factor reported was obtained at 650oC for ...

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The Effects of Thermophysical Properties and Environmental Conditions on Fire Performance of Intumescent Coatings on Glass Fibre-Reinforced Epoxy Composites

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The reaction to fire properties of three commercial coatings designed for steel structures were investigated. The coatings in this study were covering a glass fiber-reinforced epoxy composite. It was determined ...

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Thermal Conductivity of TiO2 Nanotubes

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The authors present a method of preparation of TiO2 nanotubes by alkaline treatment (with NaOH) of TiO2 particles followed by acid-washing and annealing treatment. Theoretical and experimental studies on the ...

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Core-shell structure design of pulverized expandable graphite particles and their application in flame-retardant rigid polyurethane foams

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The authors describe a synthesis method for a series of pulverized expandable graphite (pEG)/melamine-formaldehyde (MF) resin core-shell structure particles. The particles are also added into rigid polyurethane foams (RPUF) ...

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An experimental investigation of melting of nanoparticle-enhanced phase change materials (NePCMs) in a bottom-heated vertical cylindrical cavity

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A nanoparticle-enhanced phase change material (NePCM) is prepared by the dispersal of carbon nanotubes in 1-dodecanol. The objective of this experiment was to determine if the addition of nanoparticles could ...

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Thermal performances of asphalt mixtures using recycled tyre rubber as mineral filler

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Recycled tyre rubber was used to replace varying fractions of limestone as filler in asphalt in order to determine the effect that the added rubber would have on the thermal ...

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Review of the high temperature mechanical and thermal properties of the steels used in cold formed steel structures – The case of the S280 Gd+Z steel

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The mechanical and thermal properties of structural steel were examined at ambient and high temperature to evaluate the predictive models of current design codes. Tensile coupon tests were performed to ...

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