Investigation of the Thermophysical Properties of AlN+ZnO/Deionized Water Hybrid Nanofluid

Year 2020, Volume: 5 Issue: 2, 57 - 69, 28.12.2020

Erdem Çiftçi

Abstract

Nanofluids are the novel type heat transfer fluids since they provide undeniable increments in heat transfer characteristics. Thermophysical properties of nanofluids have a great importance on determination of heat transfer capabilities of them. Even though these suspensions initially have been prepared by using one type nanoparticle, a new nanofluid preparation process has arisen nowadays in which at least two different nanoparticles are used. By this study, such thermophysical properties of AlN+ZnO/deionized water hybrid nanofluid as density, heat capacity, thermal conductivity, and viscosity have been determined by using the theoretical correlations available and validated in literature. Besides, another important property, wetting capability has also been studied. The calculations have been performed not merely for hybrid nanofluid, both also for its one-component (AlN/deionized water and ZnO/deionized water) containing types. The mixing rate of the nanoparticles is (50:50) and final volume fraction of the hybrid nanofluid is 2.0%. The findings show that hybrid nanofluids are more stable than their unitary ones and can be enhanced the performance when they are used as working fluid in thermal systems.

Keywords

Hybrid nanofluid, Thermophysical properties, AlN, ZnO

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