Darcy-Brinkman-Forchheimer porous medium and ohmic heating effects on radiative cooling and turbulent thermal efficiency of gasketed plate heat-exchanger in marine turbines

Zia Ullah, Md. Mahbub Alam, Essam.R. El-Zahar, Sana Shahab, M.D. Alsulami, Hanaa Abu-Zinadah, Laila F. Seddek, Y.M. Mahrous and Ahmad Albaity

Chaos, Solitons & Fractals, 2025, vol. 201, issue P2

Abstract: Fluctuating and turbulent energy dissipation effect on plate heat exchanger presents essential applications in marine turbines, power generation systems, large refrigeration systems, chemical processing industry, automotive industries, and food processing industries. This analysis presents thermophoretic convection and heat dissipation effects into radiative cooling performance and heating efficiency of plate heat exchanger in marine turbine under Darcy Forchheimer medium and vibration conditions. Dimensionless form signifies the balanced Maxwell model for prominent computational results of heat and mass flow rates. Turbulent framework is altered into primitive form of steady, real and imaginary models and solved through Gaussian elimination and finite difference methods in FORTRAN software. The velocity contours, temperature contours, flow dynamics, nanoparticle concentration, steady-turbulent heating efficiency, steady-turbulent mass flow and skinfriction are depicted. The enhancing rate of velocity contours and temperature contours is deduced as Maxwell factor and Darcy/Forchheimer-medium decreases. Amplitude in flow velocity, surface temperature and nanoparticle motion increases as the parametric Darcy porous medium is enhanced. Increasing largeness and amplitude in turbulent heating efficiency and turbulent mass flow is depicted under strong Darcy porous medium, heat dissipation and Maxwell fluid factor. The increasing percentage results of heating efficiency and mass flow are noticed under strong radiative cooling.

Keywords: Maxwell oscillator model; Heating efficiency and mass flow; Energy dissipation and radiations; Darcy Forchheimer medium; Thermophoretic convection; Marine plate heat exchanger vibration (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:201:y:2025:i:p2:s0960077925014298

DOI: 10.1016/j.chaos.2025.117416

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