THERMAL SCIENCE

International Scientific Journal

SYSTEMATIC PREPARATION AND PHYSICAL PROPERTY CHARACTERIZATION OF A NOVEL STABLE BIOIO3 NANOFLUIDS

ABSTRACT
Nanofluids due to their good thermal conductivity and stability, have been proposed as a way to surpass the performance of currently available heat transfer fluids in the near future. In this work,we focuses on the preparation of nanofluids with excellent stability and thermal conductivity, which a new type of stable BiOIO3 (one type of infrared nonlinear optical crystal) nanofluids is successfully prepared by using the two-step method. After the initial physical characterization of BiOIO3 particles, five different dispersants are used to disperse the BiOIO3 nanoparticles, and the best performing nanofluids with a zeta potential value of 144.45 and an average particle size of 22.90nm could be prepared with PVP dispersant. Furthermore, the addition of PVP dispersant in UV-Visible experiments smooth the light absorption curve of the nanofluids, reach a peak of 1.1 at around 350 nm. In the most important thermal conductivity test, the value of thermal conductivity of BiOIO3 nanofluid becomes larger with increasing concentration at 50°C, reaching a maximum value of 1.52 at 0.134vol%, which increases by 0.72 over the same volume concentration of TiO2, indicating the importance of the laminar structure. In view of the excellent properties, new laminar structured nanofluids with light-absorbing properties are expected to receive more attention and exploration in the future
KEYWORDS
PAPER SUBMITTED: 2021-07-10
PAPER REVISED: 2021-10-01
PAPER ACCEPTED: 2021-10-15
PUBLISHED ONLINE: 2021-12-04
DOI REFERENCE: https://doi.org/10.2298/TSCI210710337Z
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2022, VOLUME 26, ISSUE Issue 5, PAGES [3869 - 3879]
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© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence