Activation energy and non-Darcy effects on magnetized Jeffery-Hamel (JH) flow in convergent/divergent channels

Subhan Ullah, Amir Ali, Ikram Ullah, Mohammad Mahtab Alam and Zareen A. Khan

Chaos, Solitons & Fractals, 2024, vol. 189, issue P2

Abstract: Nanofluids have gained significant attention for enhancing heat and mass transfer, particularly in complex flow configurations like convergent and divergent channels. Key applications include improved solar collectors, cooling in heat exchangers, nuclear reactors, drug delivery, thermoelectric systems, reduced friction in lubrication and thermal therapies. In this context, the present research examines the impact of Darcy-Forchheimer aspect on Jeffery-Hamel nanofluids flow through non-parallel converging/diverging channels. The behavior of nanoparticles is exhibited and investigated through the Buongiorno model for nanomaterials. Enhancing thermal efficiency is crucial for many fluids, and this study aims to explore its significance. As the increment in thermal efficiency of many fluids can be more important. The influence of Soret Dufour aspects, heat source, and activation energy are also come upon in current study. Lorentz force, solar radiation and thermal radiations are further examine arises due to the magnetic field application. The current main system of differential equations is converted into ordinary differential equations by appropriate transformations. The obtained systems of are numerically simulated with the help of Mathematica-9 software utilizing the NDSolve technique. The consequences of various physical factors on subjective distributions and engineering quantities are examined. In addition, validation of numerical technique also provided.

Keywords: Non-Darcy law; Activation energy; Buongiorno's model; Convergent/divergent channel; Solar radiation; Comparative study (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:189:y:2024:i:p2:s0960077924013018

DOI: 10.1016/j.chaos.2024.115749

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