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Recommended Papers for: TPS Method

Total Papers Found: 51

Evaluation of Effective Thermal Conductivity for Mineral Cast Structural Materials Using Steady-State and Transient Methods

The thermal conductivity of a mineral cast material made of epoxy-granite was determined by a steady state method, as well as by the transient plane source (TPS) method. In comparing both methods to geometric models, it was determined that both methods were able to accurately measure the thermal conductivity of the two-phase material. The material that was tested was intended to be used in machine tools, and so its thermal ...

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Measurement of thermal properties of polyaniline/metal from room temperature to 170°C

The effective thermal conductivity and thermal diffusivity were investigated for polyaniline (PANI) composites containing iron and manganese at varying temperatures. Composites were prepared containing 100% Fe, 50% Fe and 50% Mn, and 100% Mn. It was determined that both the effective thermal conductivity and effective thermal diffusivity increased with increasing iron content. The authors attribute this increase to the increase in crosslinking density between the nitrogen in PANI and Fe....

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Effect of in and Zn additives on some thermal properties of a-Se

Zn-Se alloys have potential applications in blue light emitting diodes and blue diode lasers, as well as in white LEDs and infrared lenses. Se-In alloys have potential applications in solar cells due to their energy band gap, which is close to the optimum range for solar energy conversion. The thermo-physical properties of these two types of alloys have been investigated to further their applicability in industrial applications. The thermal conductivity, ...

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Temperature dependence of the thermal conductivity and thermal diffusivity of treated oil-palm-fiber-reinforced phenolformaldehyde composites

The effective thermal conductivity and thermal diffusivity of polymer composites consisting of phenolformaldehyde matrix and oil palm empty fruit bunch (OPEFB) fibers were determined using the transient plane source method. The polymer composites were treated with one of alkali, silanol, or acetic acid to determine the effects of each treatment on the thermo-physical properties of the composites. The effect of temperature on these properties was also evaluated. It was determined ...

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Thermal conductivity enhancement of nanostructure-based colloidal suspensions utilized as phase change materials for thermal energy storage: A review

The authors have presented a literature review on computational and experimental studies on the thermal conductivity of nanostructure enhanced phase change materials (nePCMs). It was found that a wide range of nanostructures have been investigated, from carbon nanostructures and carbon nanotubes to metal and metal oxide nanoparticles. The carbon nanostructures and nanotubes were found to generally enhance the thermal conductivity of the PCMs by a greater amount than metal or ...

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