Pumping Power and Friction Factor in a Plate Fin Heat Exchanger with MgO-CuO based Hybrid Nano-Transformer Oil
Pumping Power and Friction Factor in a Plate Fin Heat Exchanger with MgO-CuO based Hybrid Nano-Transformer Oil |
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| © 2025 by IJETT Journal | ||
| Volume-73 Issue-9 |
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| Year of Publication : 2025 | ||
| Author : Devireddy Sandhya, Thembelani Sithebe, Veeredhi Vasudeva Rao | ||
| DOI : 10.14445/22315381/IJETT-V73I9P115 | ||
How to Cite?
Devireddy Sandhya, Thembelani Sithebe, Veeredhi Vasudeva Rao,"Pumping Power and Friction Factor in a Plate Fin Heat Exchanger with MgO-CuO based Hybrid Nano-Transformer Oil", International Journal of Engineering Trends and Technology, vol. 73, no. 9, pp.175-185, 2025. Crossref, https://doi.org/10.14445/22315381/IJETT-V73I9P115
Abstract
An exclusive investigation is conducted to determine the pumping power and friction factor of MgO-CuO-based hybrid nano-transformer oil pumped through a plate-fin heat exchanger. A candidate nano transformer oil is synthesized using MgO and CuO nanoparticles with varying volume concentrations from 0.002% to 0.012%. The developed nano-transformer oil is characterized by its viscosity and density as a function of temperature in the range of 30 to 70 ºC. The experiments are conducted with flow rate of nano-fluids from 1lit/min to 4lit/min for different mean bulk temperatures in the range of 30 to 70 ºC, such that the Reynolds Number varies in the range of 85 to 1180. When the temperature is increased from 30 to 70 ̊C, the friction factor decreased by 22.17% for the corresponding Reynolds number increase from 85 to 1180. It is observed that at a given temperature, the pumping power increases with respect to mass flow rate. Whereas the pumping power decreased by at least 22.28% as the temperature increased from 30 to 70 ̊C. When compared to the base fluid, it was found that there is only 2.9% excess power consumption in the case of MgO-CuO-based hybrid nano-transformer oil, which does not appear to significantly contribute to the economics of pump operations. The results of this investigation are presented in graphical form. An uncertainty analysis was carried out for Reynolds number, pumping power, and friction factor, and it was found to be less than 5% for all conditions investigated.
Keywords
Friction factor, MgO-CuO hybrid nano transformer oil, Plate fin heat exchangers, Pumping power.
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