CFD Analysis of Double Diffusion Rotating Flow in a Cylindrical Annular MHD Braking System with Joules Heating and Dufour Effects

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Year : 2026 | Volume : 14 | 02 | Page :
    By

    Subas Chandra Dash,

  • Manoj Dubey,

  1. Assistant professor (SG), Department of Mechanical Engineering, Jaypee University of Engineering and Technology, Guna, Madhya Pradesh, India
  2. Assistant professor (SG), Department of Mechanical Engineering, Jaypee University of Engineering and Technology, Guna, Madhya Pradesh, India

Abstract

The present study has investigated Joules parameter significance on an axisymmetric whirling flow within a cylindrical annulus, specifically focusing on an MHD braking system. The cylindrical annulus braking system is packed lithium lid liquid (Pr = 0.015), aspect ratio = 2, and imposed to an axial heat and magnetic field. In this study, the modified MAC pressure correction method has been used to solve the mixed convection flow with double diffusion. In the presence of double diffusion condition, Dufour effect at positive buoyancy ratio has been investigated. The conclusions exhibit Isotherms, concentration, components of velocities owing to the occurrence robust axial magnetic field (Ha =30 and 100) and Dufour number (Df = 1 to 8) due to Joules number (J = 1 to 25). The presence of Joules parameter on average Nusselt and Sherwood magnitude has been visualized in the presence of MHD braking condition at positive buoyancy ratio. The presence of double diffusion causes the Dufour effect to boost the Joule heating parameter, leading to a drastic magnification of heat and mass convection within the MHD braking system, and the inverse is also true. With a tiny Joule heating parameter, the Dufour effect’s impact on heat and mass convection was negligible.

 

Keywords: Double diffusion, Joules heating, Magneto-hydrodynamics, Liquid metal, Dufour effect.

How to cite this article:
Subas Chandra Dash, Manoj Dubey. CFD Analysis of Double Diffusion Rotating Flow in a Cylindrical Annular MHD Braking System with Joules Heating and Dufour Effects. Journal of Polymer & Composites. 2026; 14(02):-.
How to cite this URL:
Subas Chandra Dash, Manoj Dubey. CFD Analysis of Double Diffusion Rotating Flow in a Cylindrical Annular MHD Braking System with Joules Heating and Dufour Effects. Journal of Polymer & Composites. 2026; 14(02):-. Available from: https://journals.stmjournals.com/jopc/article=2026/view=241432


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Ahead of Print Subscription Original Research
Volume 14
02
Received 16/09/2025
Accepted 27/10/2025
Published 29/04/2026
Publication Time 225 Days
2

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