Abstract

This paper is focused on acoustic and thermodynamic factors of as-synthesized ZnO nanoparticles (NPs) dispersed in water as base fluid. NPs were characterized by means of powder XRD, SEM, PSA and UV. Ultrasonic studies were performed by nanofluid interferometer provides information on understanding the molecular behavior and intermolecular interactions, which have been interpreted with respect to change in concentration of solute at different temperatures (30–80 °C). The experimental data was used to explore adiabatic compressibility (β), bulk modulus (K), intermolecular free path length (L), impedance (Z) and Thermal Conductivity (K) of nanofluids was predicted by using ultrasonic velocity.

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