Heat Transfer Performance of ZnO- Ethylene Glycol- Water Nanofluid Using Thermal Lens Technique

Year : 2025 | Volume : 13 | Special Issue 02 | Page : 440 445
    By

    Ramya M,

  • Ashik Wilson,

  • Swathy Satheesh,

  • Anita Mary Peter,

  • Syammohan V,

  • Kailasnath M,

  1. Assistant Professor on Contract, Department of Physics, NSS College Ottapalam, Palakkad, Kerala, India
  2. MSc Student, Department of Physics, Sree Vyasa NSS College Vyasagiri, Wadakkanchery, Thrissur, Kerala, India
  3. MSc Student, Department of Physics, Ansar Women’s College, Perumpilavu, Thrissur, Kerala, India
  4. Research Scholar, International School of Photonics, Cochin University of Science and Technology (CUSAT), Cochin, Kerala, India
  5. Research Scholar, International School of Photonics, Cochin University of Sience and Technology (CUSAT), Cochin, Kerala, India
  6. Professor, International School of Photonics, Cochin University of Science and Technology (CUSAT), Cochin, Kerala, India

Abstract

Nanofluids are engineered fluids used in advanced electronic systems for thermal management. Fluids with dispersed nanoparticles have exhibited remarkable thermal properties. Ethylene glycol (EG) and water mixtures are widely used in many industrial areas. This study investigates the synthesis and heat transfer performance of ZnO-EG, ZnO-water, and ZnO-EG-water nanofluids using a dual-beam thermal lens technique. ZnO is a widely used inorganic, UV-absorbing, multifunctional semiconducting material with applications in various fields due to its electrical, optical, and mechanical properties. Good transparency, high electron mobility, a wide band gap, and strong room-temperature luminescence are the favorable properties of ZnO, which have led to its application in numerous scientific fields. ZnO nanoparticles were synthesized using a simple solution method followed by ultrasonication, where ethylene glycol dispersed in zinc acetate dihydrate and NaOH were used as precursors. ZnO nanopowder was obtained and dispersed in water, ethylene glycol, and ethylene glycol-water to prepare a 0.1 mg/ml concentrated stable ZnO nanofluid. The morphology of the synthesized nanoparticle was found using HRTEM, which concluded the spherical shape of the nanoparticles. The thermal diffusivity of the solvent and solvent-ZnO nanofluids was investigated using the dual-beam thermal lens technique. Significant enhancement in thermal diffusivity is observed when ZnO nanoparticles disperse in EG-water fluid. This enhancement in thermal diffusivity was observed due to the phonon scattering at the liquid-solid interface and the excellent stability of the nanofluid. The superior heat transfer performance of ZnO-EG-water nanofluid could be used as a coolant in optoelectronic devices instead of EG and water.

Keywords: ZnO, ethylene glycol, nanofluids, thermal diffusivity, coolant.

[This article belongs to Special Issue under section in Journal of Polymer and Composites (jopc)]

How to cite this article:
Ramya M, Ashik Wilson, Swathy Satheesh, Anita Mary Peter, Syammohan V, Kailasnath M. Heat Transfer Performance of ZnO- Ethylene Glycol- Water Nanofluid Using Thermal Lens Technique. Journal of Polymer and Composites. 2025; 13(02):440-445.
How to cite this URL:
Ramya M, Ashik Wilson, Swathy Satheesh, Anita Mary Peter, Syammohan V, Kailasnath M. Heat Transfer Performance of ZnO- Ethylene Glycol- Water Nanofluid Using Thermal Lens Technique. Journal of Polymer and Composites. 2025; 13(02):440-445. Available from: https://journals.stmjournals.com/jopc/article=2025/view=206193


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Special Issue Subscription Original Research
Volume 13
Special Issue 02
Received 26/07/2024
Accepted 20/11/2024
Published 04/02/2025
Publication Time 193 Days
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