10.57647/j.ijnd.2025.1602.10

Synthesis and experimental study of TiO2 nanofluids for transformer applications

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  • Salman Basha Sheik*1,
  • Praveena Devi Nagireddy2,
  • Kiran Kumar Kupireddi3,
  1. Department of Mechanical Engineering, SR University, Warangal, India  AND  Department of Mechanical Engineering, Sasi Institute of Technology & Engineering, Tadepalligudem, India
  2. Department of Mechanical Engineering, SR University, Warangal, India
  3. Department of Mechanical Engineering, National Institute of Technology Warangal, Warangal, India
Synthesis and experimental study of TiO2 nanofluids for transformer applications

Received: 2024-08-29

Revised: 2024-11-02

Accepted: 2024-12-08

Published 2025-04-01

Copyright (c) 2024 Salman Basha Sheik, Praveena Devi Nagireddy, Kiran Kumar Kupireddi (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Sheik, S. B., Nagireddy, P. D., & Kupireddi, K. K. (2025). Synthesis and experimental study of TiO2 nanofluids for transformer applications. International Journal of Nano Dimension, 16(2 (April 2025). https://doi.org/10.57647/j.ijnd.2025.1602.10
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Abstract

Transformers are essential in an electrical power system, and their efficiency and reliability are vital. The cooling and insulating properties of the fluids used in them are able to influence the performance of transformers drastically. The acceleration of Titanium Oxide (TiO2) nanoparticles in thermal and dielectric properties suggests promising advantages as a fashionable ingredient for the enhancement in characteristics of oil-base fluids to provide new-generation transformer oils. This study involves the production of TiO2 nanoparticles through the sol-gel method. The synthesized TiO2 nanoparticles have been characterized using XRD and SEM analysis. The produced nanoparticles are introduced into base fluids using two-step process. The transformer oil is selected as base fluid, to investigate the thermophysical and dielectric properties at different concentrations typically 0.35, 0.45, and 0.55 wt.% of titanium oxide (TiO2) nanoparticles with average particle diameter 37nm. Additionally, assessments are performed on the thermal conductivity, density, and dielectric values of transformer oil. The improvement of 36.84% at 2.5mm and 36.36% at 4mm electrode gap, respectively, in Breakdown Voltage (BDV) was identified when using TiO2 concentration at 0.45 wt% concentration. The maximum thermal conductivity enhancement shown at 0.55 wt% is 23.41%.

Keywords

  • Dielectric,
  • Nanofluids,
  • Thermo-physical,
  • Titanium dioxide,
  • Transformer Oil
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