Numerical Analysis of Unsteady Natural Convective Flow Past a Magnetized Exponentially Accelerated Vertical Porous Plate with Viscous Dissipation
DOI:
https://doi.org/10.37934/cfdl.17.9.4561Keywords:
Magnetic field, natural convection, viscous dissipation, Dufour and Soret effect, FEMAbstract
This study investigates the unsteady natural convective flow past a magnetized, exponentially accelerated vertical porous plate, incorporating the effects of viscous dissipation. Natural convection is a fundamental phenomenon in various engineering applications, yet the influence of magnetic fields and plate acceleration on flow characteristics remains underexplored. The primary objective of this paper is to analyse the flow dynamics under these conditions and elucidate the effects of magnetic and thermal parameters on heat transfer and fluid motion. Employing numerical methods, the governing equations are solved under appropriate boundary conditions, taking into account the effects of viscous dissipation, Dufour and Soret effect. Key findings reveal that magnetic fields significantly affect the velocity, temperature and concentration profiles, with increased velocity on growing the values of Eckert number, Dufour number and Soret number and decreases on climb up the values of Magnetic parameter. The temperature increases on raising the values of Eckert number, Dufour number and Soret number. The concentration increases on increasing the value of Soret number. The study clearly distinguished between current and previous findings, ultimately revealing a strong consensus and excellent agreement across the results. Additionally, the study highlights the role of the exponentially accelerated plate in enhancing heat transfer rates, demonstrating that higher acceleration parameters can lead to increased thermal gradients. The results provide valuable insights for designing systems where unsteady natural convection plays a critical role, such as in cooling systems and materials processing, paving the way for future research in magnetohydrodynamic flows.
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