The influence of ash content on thermophysical properties of ethylene glycol based graphite/diamonds mixture nanofluids - Archive ouverte HAL Access content directly
Journal Articles Diamond and Related Materials Year : 2017

The influence of ash content on thermophysical properties of ethylene glycol based graphite/diamonds mixture nanofluids

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Abstract

Since the second half of the twentieth century, nanofluids are very promising engineering materials that can find numerous applications in the processes of heat exchange. Scientist and engineers are developing new and more advanced nanosuspensions which may differ from their physical properties, production costs and practical use. The aim of this paper is to study the differences between two nanofluids containing a mixture of graphite and nanodiamonds with various ash content. Here, ethylene glycol was used as a base fluid. Rheological properties, thermal and electrical conductivities at a constant temperature 298.15K were investigated for nanoparticle volume content ranging from 0.004 to 0.023. It was presented that ash content in nanofluids changes significantly rheological properties of nanofluids containing graphite/nanodiamonds mixture nanoparticles. While the variation in ash content does not affect thermal conductivity of nanofluids, a big impact on electrical conductivity is reported.
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hal-01480344 , version 1 (04-07-2017)

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Gawel Zyla, Jacek Fal, Patrice Estellé. The influence of ash content on thermophysical properties of ethylene glycol based graphite/diamonds mixture nanofluids. Diamond and Related Materials, 2017, 74, pp.81-89. ⟨10.1016/j.diamond.2017.02.008⟩. ⟨hal-01480344⟩
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