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Novel Nanofluid based on Water-Loaded Delafossite CuAlO2 Nanowires: Structural and thermal properties


Haya Alhummmiany

Presentation: Ultra High - performance cooling has emerged as crucial requirement of many industries including microelectronic devices, engine cooling systems, nuclear power system, chemical reactors, refrigeration systems and etc. Recent experimental results show the potential of the thermal behavior for the suspended nanometallic in conventional fluids; nanofluid. In this study, one - dimensional delafossite CuAlO2 nanowires will be synthesized via easy microwave hydrothermal approach. A novel type of nanofluid consisting of CuAlO2 nanowires suspended in distilled water at various volume fractions of (0.0, 0.2, 0.4 and 0.6 wt%) will be fabricated using an easily scalable sonication approach. The structure and microstructure of as synthesized CuAlO2 will be examined in terms of X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM). Furthermore, the thermal conductivity and specific heat capacity of water based nanofluid will be measured at different volume fractions and temperatures. With all of these data, the delafosite CuAlO2 nanowires loaded water base nanofluid can be a promising composite to fabricate new type nanofluid for industrial applications.

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