1. Numerical investigation of MHD Prandtl melted fluid flow towards a cylindrical surface: comprehensive outcomes
- Author
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Awais, M., Bilal, S., Rehman, Khalil Ur, and Malik, M.Y.
- Subjects
Numerical analysis -- Investigations -- Analysis ,Magnetic fields -- Investigations -- Analysis ,Company legal issue ,Physics - Abstract
In this work, we explore the mathematical structuring of Prandtl fluid flow towards an inclined stretched cylinder. Modelling of this newly proposed model is manifested in three different ways. A momentum equation for the concerned model is established under the role of an induced Lorentz field, whereas the thermal and mass transport mechanisms account for the role of the heat generation-absorption process and chemical reaction phenomenon. For a more realistic and schematic analyses of the present problem, the field expressions are expressed mathematically in terms of PDEs. The obtained intricate differential system is converted into ODEs by means of transformations. Improved numerical simulation is conducted using the Cash and Carp method to foresee the pattern of thermophysical distribution towards existing involved constraints. It is noticed that Prandtl fluid velocity declines for increases in both the Prandtl fluid parameter and elastic parameter. Further, the fluid temperature increases the effects of the magnetic field, curvature, and the melting parameters while the concentration profile shows decline curves for both the Schmidt and chemical reaction parameters. It is important to note that this nature is preserved for both the magnetized and non-magnetized cases. Key words: Prandtl fluid model, chemical reaction, MHD, melting heat transfer, heat generation-absorption, Runge-Kutta method (Cash and Carp). Nous cherchons ici une description mathematique pour l'ecoulement d'un fluide de Prandtl vers un cylindre incline etire. La modelisation de ce nouveau systeme implique trois elements. L'equation d'impulsion pour ce modele est obtenue en incluant un champ de Lorentz, alors que les mecanismes de transport de chaleur et de masse tiennent compte de la generation/ absorption de chaleur et des reactions chimiques respectivement. Pour une analyse plus schematique et plus realiste, les champs sont decrits par des equations aux derivees partielles. Afin de faciliter la solution, ces equations sont transformees en equations differentielles ordinaires par transformations de similarite. Ces dernieres sont alors solutionnees numeriquement par la version de Cash et Carp de la methode de Runge-Kutta pour obtenir les distributions thermo-physiques satisfaisant les contraintes du probleme. Nous notons que la vitesse du fluide de Prandtl diminue sous augmentation des parametres de Prandtl et d'elasticite. De plus, la temperature du fluide est stimulee par le champ magnetique, la courbure et le parametre de fusion, mais le profil de concentration diminue suite a l'augmentation des parametres de Schmidt et de reaction chimique. Il est important de dire que ces conclusions restent vraies avec et sans champ magnetique. [Traduit par la Redaction] Mots-cles : modele du fluide de Prandtl, reaction chimique, MHD, transfert de chaleur de fusion, generation/absorption de chaleur, methode de Runge-Kutta (Cash et Carp)., 1. Introduction The investigation of the mutual interaction between moving fluids and the magnetic field is commonly known as magnetohydrodynamics (MHD). Alfven [1] was the first to describe the class [...]
- Published
- 2020
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