Experimental Study on the Heat Transfer Performance of Nanofluid MnFe₂O₄ - Ethylene Glycol/Water on Double-Pipe Heat Exchanger

Abstract:

The heat exchanger is an example of heat transfer applications in industries that commonly found in cooling systems and powerplants. The heat exchangers utilise water, oil, and ethylene glycol (EG) as heat transfer fluids which possess a deficiency in heat transfer characteristics. Nanofluid are expected to improve the heat characteristics of the fluid used in heat exchangers. This research used MnFe₂O₄ nanoparticles with a volume fraction of 0.05% into the base fluid. The base fluid is a mixture of EG-water with a concentration of 20; 40; 60; and 80%. This study aims to understand the heat transfer characteristics of the MnFe₂O_4-EG/water nanofluid. The experiments were carried out on a double-pipe heat exchanger with variations flow rate 0.2; 0.4; and 0.6 l/min. This study is expected to show the best performance of MnFe₂O₄-EG/water nanofluid.

• Periodical: Key Engineering Materials (Volume 941)
• Pages: 183-190
• DOI: https://doi.org/10.4028/p-834lbm
• Online since: March 2023
• Authors: Avita Ayu Permanasari*, Muhammad Hilmi Rusli, Poppy Puspitasari, Sukarni Sukarni, S.N. Azella Zaine, Wahyunengsih Wahyunengsih
• Keywords: Ethylene Glycol, Heat Exchanger, Heat Transfer, MnFe₂O₄, Nanofluid

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