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Researchers have determined the potential of increasing the thermal conductivity of insulating polymers by adding conductive fillers. One common application this may be used for, is fuel cell bipolar plates. In this article, researchers tested varying amounts of three different carbon fillers (black carbon, synthetic graphite particles, and carbon nanotubes), by adding them to polypropylene. Both single fillers and combination fillers were studied for their potential effects on the thermal ...
This article evaluates the thermal conductivity of heat transfer nanofluids containing nickel coated single wall carbon nanotubes. The results concluded that with the introduction of a magnetic field, the thermal conductivity of the heat transfer nanofluid is improved. Researchers attribute this improved thermal conductivity to the ability of the nickel coated nanotubes to form aligned chains under the force of a magnetic field, allowing for better contact and ultimately a ...
The researchers in this paper were the first to report that the thermal conductivity of the heat transfer nanofluids has the ability to be enhanced by an external magnetic field. This is possible due to carbon nanotubes and magnetic-field-sensitive nanoparticles of Fe2O3. It was discovered that the Fe2O3 nanoparticles form chains when exposed to magnetic fields, which allows the nanotubes to connect. As the nanotubes connect, the thermal ...
The thermal conductivity of heat transfer nanofluids has been determined to increase by 10%, when containing metal oxide nanoparticles and carbon nanotubes. The fluid viscosity of the nanofluids is relatively the same as water, and therefore cannot not account for the increase in thermal conductivity. However, the fashion in which the metal oxide particles conglomerate within the fluid could be a potential explanation for the spike. Results show that under the ...
This study primarily focuses on the electrical and thermal conductivity of nanoparticle filled epoxy resins. Modification of polymers on a nanstructure level has revealed a new world of possibilities for multi-functional materials. Research has found that carbon nanotubes may have the potential to improve mechanical performance of conductive polymers. This research studies the thermal performance of the resins with respect to various types of carbon nanotubes, various concentrations of filler ...
