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Recommended Papers for: TPS Technique

Total Papers Found: 104

Thermal Analysis of LED Heat Sinks by High-Vacuum Die Casting (HVDC)

Lightweight LED heat sinks were fabricated by high-vacuum die casting (HVDC) using the aluminum alloy ADC12. Thermal characteristics of the heat sink were determined under natural convection using thermocouples and an IR thermograph, and the thermal conductivity was measured using the transient plane source (TPS) technique. It was determined that the castings were non-homogeneous and anisotropic....

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Physical study of room-temperature-cured epoxy/thermally reduced graphene oxides with various contents of oxygen-containing groups

Epoxy nanocomposites containing thermally reduced graphene oxides (TRGs) with different oxygen contents were prepared and their mechanical and thermal properties were investigated. It was found that increasing the number of oxygen containing groups on the TRGs resulted in reduced agglomeration of the graphene oxides within the epoxy matrix. Therefore, in samples with a higher oxygen content, a higher interfacial contact area is present between the organic and inorganic phases in ...

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Effects of inclusion size on thermal conductivity and rheological behavior of ethylene glycol-based suspensions containing silver nanowires with various specific surface areas

The effects of silver nanowire size on the thermal conductivities of ethylene glycol-based nanofluids were investigated experimentally. The effects of altering the loading concentration of nanowires, and altering the temperature were also investigated. In addition to this, an investigation into the effects of the nanowire dimensions on the rheological properties of the nanofluids was also conducted. Theoretical models were then developed based on the experimental results....

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Graphene-Enhanced Phase Change Materials for Thermal Management of Battery Packs

The potential of graphene and few-layer graphene to be used as fillers in a paraffin wax phase change material (PCM) was evaluated. The goal was to prepare a composite PCM with a higher thermal conductivity than the pure paraffin wax. The ability of the composite PCM to reduce temperature variation in lithium ion batteries was also evaluated over 10 charging – discharging cycles. It was found that the composite PCM was better ...

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Study on effective thermal conductivity of zinc sulphide/poly(methyl methacrylate) nanocomposites

Zinc sulfide nanoparticles were embedded in a poly(methyl methacrylate) matrix to prepare a  nanocomposite polymer with a higher thermal conductivity than the pure polymer. It was determined by TEM that at a low concentration of filler particles, the particles are uniformly dispersed throughout the matrix; however, at higher concentrations, agglomeration of the filler particles occurs. The effective thermal conductivity for all samples was found to increase with increasing temperature ...

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