O.Emilawati & A.A.Radhiyah
Faculty of Manufacturing Engineering, Universiti Malaysia Pahang, 26600 Pahang, Malaysia.
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This study carefully examines many aspects that affect the improvement of the thermophysical properties with respect to the base fluid. Here, the emphasis is on improving and assessing thermal fluid stability. These particles are disseminated in base fluids, for example, distilled water and ethylene glycol according to the Two-Step Method. This method has been recommended as an appropriate method for experimental preparations. TiO2 particles between 21 nm until 100 nm in diameter are carefully investigated. Here, 54.9 g of EG as well as 49 g of DW in volume fractions of 0.1%, 0.3%, 0.5%, 0.7% as well as 1.0% were the mass ratios employed. The thorough investigation showed that a variety of techniques, including UV-Vis spectroscopy, zeta potential analysis as well as visual base fluid observation, were often used to determine stability. In addition to the elements affecting the stability of the TiO2 nanofluid, the potential mechanism for this study also provided the results and methods to enhance the properties’ stability.
Keywords: Titanium Dioxide, Ethylene Glycol, Nanoparticle, Nanofluids, Base fluids, Stability, UV-Vis Spectroscopy, Zeta potential.