Thermal Diffusivity Archives - Page 2 of 10

Effect of carbon nanotube interfacial geometry on thermal transport in solid–liquid phase change materials

Author(s): Amy S. Fleischer, Ronald J. Warzoha

The thermal conductivities of four composite paraffin phase change materials (PCMs) containing embedded multi-walled carbon nanotubes (MWCNTs) with varying dimensions were determined. The goals of this study were to investigate ...

Keywords: Aspect Ratio, Carbon nanotubes, CNTs, composite, density, diameter, Fillers, Interfacial Thermal Resistance, Length, pcms, phase change materials, Thermal Conductivity, Thermal Diffusivity, TPS Device, Transient Plane Source, Transient Plane Source (TPS) Device

Effects of a titanate coupling agent on the mechanical and thermo-physical properties of talc-reinforced polyethylene compounds

Author(s): Adib Kalantar Mehrjerdi, Bemnet Abebe Mengistu, Dan Åkesson, Mikael Skrifvars

The effect of a titanate coupling agent on the thermal conductivity of talc filled high density polyethylene. Moisture content and mechanical properties were studied in addition to thermal conductivity. Samples ...

Keywords: high-density polyethylene, mechanical properties, Moisture Content, Specific Heat, tensile strength, Thermal Conductivity, Thermal Diffusivity, titanate

Experimental Evaluation of Thermal Properties of Grouting Materials

Author(s): Lorenzo Moro, Manuela Campanale, Marta Deganello

This article studies the thermal properties of grout used in geothermal energy applications. A number of different cement based sealants were analyzed by the authors to understand how the thermal ...

Keywords: Cement, geothermal energy, grout, Moisture Content, portland Cement mortar, sealants, Thermal Conductivity, Thermal Diffusivity

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

Measurement of Thermal Transport Properties in Metal Doped Polypyrrole

Author(s): K. B. Sharma, Kananbala Sharma, N. S. Saxena, Rashmi Saxena, Thaneshwar P. Sharma, Vinodini Shaktawat

Metal doping of a polypyrrole matrix was carried out. Nickel and Cobalt were the two metals that were used in this study, and three samples were prepared, one containing 100% Co, ...

Keywords: composites, Conjugated Polymers, EDX, Energy Dispersive X-Ray Fluorescence, Energy Dispersive X-Ray Fluorescence (EDX), Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Thermal Conductivity, Thermal Diffusivity, TPS Method, Transient Plane Source, Transient plane source (TPS) method, X-ray Diffraction, X-ray diffraction (XRD), XRD

Thermal interface materials based on carbon nanotubes and their thermal characterization

Author(s): G. J. F. Czempiel, K. Gharagozloo-Hubmann, M. Kasimir, S. Reich, S. Trotsenko, V. Datsyuk

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 ...

Keywords: Carbon nanotubes, CNTs, differential scanning calorimeter, Differential scanning calorimeter (DSC), DSC, Fillers, graphite, Specific Heat, Thermal Conductivity, Thermal Diffusivity, thermal interface materials, TIMs, TPS, Xenon Flash

Evaluation of Morphological Effect on Thermal and Mechanical Performance of PS/PMMA/CdS Nanocomposite Systems

Author(s): K. B. Sharma, Kananbala Sharma, Vishal Mathur

The thermal and mechanical properties of PS/PMMA immiscible polymer blends were investigated. The effects of the dispersion of CdS nanoparticles on these properties were also investigated. The dispersion of ...

Keywords: DMA, Dynamic Mechanical Analyzer, Dynamic Mechanical Analyzer (DMA), Glass Transition Temperature, nanocomposites, Polymer composites, SAXS, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Small-Angle X-Ray Scattering, Small-Angle X-Ray Scattering (SAXS), Thermal Conductivity, Thermal Diffusivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, WAXS, Wide Angle X-Ray Scattering, Wide Angle X-Ray Scattering (WAXS)

Thermal Conductivity Measurements of Polyamide Powder

Author(s): Mengqi Yuan

Thermal conductivity measurements were performed on polyamide 12 and polyamide 11 powders containing carbon nanotubes using the transient plane source (TPS) technique. The effects of powder density and temperature on thermal conductivity ...

Keywords: 3D printing, Carbon nanotubes, CNTs, density, Polyamide Powder, Thermal Conductivity, Thermal Diffusivity, three-dimentional printing, Transient Plane Source Technology

Effective thermal conductivity and thermal diffusivity of some rare earth oxides

Author(s): N. S. Saxena, P. Predeep

The thermal conductivity and thermal diffusivity of rare earth oxide powders were measured using the transient plane source technique. Specifically, powders of gadolinium oxide, samarium oxide, and yttrium oxide were ...

Keywords: Rare Earth Oxides, Specific Heat, Thermal Conductivity, Thermal Diffusivity, TPS Technique, Transient Plane Source, Transient plane source (TPS)

Review of thermal conductivity of cast iron

Author(s): D. Holmgren

This article is a literature review of research that has been done on the thermal conductivity of cast iron. The article outlines the effects of graphite additives, alloying elements, matrix, ...

Keywords: Cast Iron, graphite, Thermal Conductivity, Thermal Diffusivity

Keyword: Thermal Diffusivity