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Dr. Mohamed Reda Ali Mohamed :: Publications:

Title:
Improving agricultural efficiency with solar-powered tractors and magnetohydrodynamic entropy generation in copper–silver nanofluid flow
Authors: A.M. Obalalu , A.B. Shobo a , M.M. Alqarni b , C. Odetunde c , M. Asif Memon d , O.A. Olayemi e,f g , Emad E. Mahmoud h , Mohamed R. Ali i,j,* , R. Sadat k , A.S. Hendy l
Year: 2023
Keywords: Chebyshev collocation spectral method Entropy production Solar-powered tractor Williamson nanofluid
Journal: Case Studies in Thermal Engineering
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Mohamed Reda Ali Mohamed _108.pdf
Supplementary materials Not Available
Abstract:

This study examines the impact of solar-powered tractor on agricultural productivity and energy efficiency. The implementation of solar energy in tractors has the potential to reduce dependence on non-renewable energy sources, minimize carbon emissions, and promote sustainable farming practices. This research investigates the reduction of energy consumption and enhancement of productivity by evaluating magnetohydrodynamic (MHD) entropy production through the flow of nanofluids containing copper-engine oil (Cu-EO) and silver-engine oil (Ag-EO). The study also evaluates the effectiveness of thermal transport in solar-powered tractors through several properties such as solar thermal radiation, viscous dissipation, slippery velocity, and porous media. The investigation analyzed the thermodynamics of entropy generation in a non-Newtonian Williamson nanofluid, with the aim of assessing its energy equilibrium and the effects of diverse physical parameters. In order to enable numerical investigation, similarity variables were implemented to transform partial differential equations into ordinary differential equations, and the Chebyshev collocation spectral method was applied to solve the governing equations. It has been revealed that the Ag EO Williamson nanofluid have a smoother flow compared to the Cu EO mixture fluid. Furthermore, Williamson-nanofluid demonstrate superior thermal conductivity and heat transfer characteristics compared to the base fluid, making them appropriate for utilization in cooling systems and heat exchangers in various industries.

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