Journal of Clinical & Experimental OncologyISSN: 2324-9110

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Novel nanofluid based on water-loaded delafossite CuAlO2 nanowires: Structural and thermal properties

Haya Alhummiany

King Abdulaziz University, Saudi Arabia

: J Clin Exp Oncol


Ultra-high cooling performance is a crucial requirement of many thermomechanical systems, such as microelectronic devices, engine cooling systems, nuclear power systems, chemical reactors, and refrigeration systems. Recent experimental results reveal the potential thermal properties of suspended nanometallics in conventional fluids. In this study, the facile synthesis of one-dimensional delafossite CuAlO2 nanowires by microwave hydrothermal treatment was presented. A novel type of nanofluid consisting ofCuAlO2 nanowires suspended in distilled water at various volume fractions (0.0, 0.2, 0.4, and 0.6 wt%) was successfully synthesized using an easily scalable sonication method. The microstructures of as-synthesized CuAlO2 were investigated by adopting 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-loaded nanofluid were measured at different volume fractions and temperatures. The results reveal a significant increase in thermal conductivity with increasing CuAlO2 loading levels and temperatures. The obtained results propound the fact that water-loaded delafossite CuAlO2 nanowires-based nanofluid is a promising candidate for future industrial applications.


Haya Alhumminay is currently Assistant Professor of Physics at King Abdulaziz University. Her primary research focuses on nanoscale materials and characterization of the nanostructures. She holds a PhD degree in 2013 from the University of Nottingham, UK and a MSc degree from King Abdulaziz University, SA in 2005. She was a fellow research at MIT’s Department of Materials Science and Engineering 2017.

E-mail: [email protected]

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