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Special Issue "Magnetohydrodynamics and Symmetry: Theory, Methods, and Applications"

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A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: 30 September 2023 | Viewed by 4066

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Special Issue Editors

Dr. Najiyah Safwa Khashi’ie

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Guest Editor

Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan, Universiti Teknikal Malaysia Melaka, Melaka, Malaysia
Interests: boundary layer flow; hybrid nanofluids; stability analysis

Dr. Abdul Rahman Mohd Kasim

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Guest Editor

Centre for Mathematical Sciences, Universiti Malaysia Pahang, Kuantan, Malaysia
Interests: boundary layer flow; non-newtonian fluids; numerical analysis
Special Issues, Collections and Topics in MDPI journals

Dr. Iskandar Waini

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Guest Editor

Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan, Universiti Teknikal Malaysia Melaka, Melaka, Malaysia
Interests: boundary layer flow; hybrid nanofluids; magnetohydrodynamics; stability analysis

Special Issue Information

Dear Colleagues,

This Special Issue is designated for the researchers to contribute any recent research papers as well as review articles on the topic of “Magnetohydrodynamics and Symmetry: Theory, Methods, and Applications”. The work may highlight the advancement in (1) mathematical methods through theoretical derivation, numerical analysis/simulation, or (2) experimental studies. Besides, the work may also be subjected to the new contribution related to the symmetrical behavior and Lie symmetry of the proposed differential equations. In addition, magnetohydrodynamics (MHD), which is also called hydromagnetic or magneto-fluid dynamics, is one of the fascinating subject matter in the fluid mechanic area. It highlights the study of the magnetic properties and behavior of electrically conducting fluids like liquid metals, electrolytes, plasmas and salt water. We hope that this Special Issue can benefit and fascinate the scientific community researchers and general readers regarding the up-to-date findings of magnetohydrodynamics and symmetry for industrial and technological development.

Dr. Najiyah Safwa Khashi’ie
Dr. Abdul Rahman Mohd Kasim
Dr. Iskandar Waini
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

convective heat and mass transfer
electrical field
magnetohydrodynamics (MHD)
Newtonian and non-Newtonian fluids
numerical method and simulation
steady and unsteady flow problems
the symmetry and analytical methods

Published Papers (5 papers)

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Research

Open AccessArticle

Magnetic Dipole Effects on Radiative Flow of Hybrid Nanofluid Past a Shrinking Sheet

Iskandar Waini

Najiyah Safwa Khashi’ie

Nurul Amira Zainal

Khairum Bin Hamzah

Abdul Rahman Mohd Kasim

Anuar Ishak

and

Ioan Pop

Symmetry 2023, 15(7), 1318; https://doi.org/10.3390/sym15071318 - 27 Jun 2023

Viewed by 488

Abstract

The boundary layer flows exhibit symmetrical characteristics. In such cases, the flow patterns and variables are symmetrical with respect to a particular axis or plane. This symmetry simplifies the analysis and enables the use of symmetry-based boundary conditions or simplifications in mathematical models. Therefore, by using these concepts, the governing equations of the radiative flow of a hybrid nanofluid past a stretched and shrunken surface with the effect of a magnetic dipole are examined in this paper. Here, we consider copper (Cu) and alumina (Al₂O₃) as hybrid nanoparticles and use water as a base fluid. The heat transfer rate is enhanced in the presence of hybrid nanoparticles. It is observed that the heat transfer rate is increased by 10.92% for the nanofluid, while it has a 15.13% increment for the hybrid nanofluid compared to the base fluid. Also, the results reveal that the non-uniqueness of the solutions exists for a certain suction and shrinking strength. Additionally, the ferrohydrodynamic interaction has the tendency to reduce the skin friction and the heat transfer coefficients for both solution branches. For the upper branch solutions, the heat transfer rate increased over a stretching sheet but decreased for the shrinking sheet in the presence of the radiation. It is confirmed by the temporal stability analysis that one of the solutions is stable and acceptable as time evolves. Full article

(This article belongs to the Special Issue Magnetohydrodynamics and Symmetry: Theory, Methods, and Applications)

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Open AccessArticle

Magnetohydrodynamic and Thermal Performance of Electrically Conducting Fluid along the Symmetrical and Vertical Magnetic Plate with Thermal Slip and Velocity Slip Effects

Khalid Abdulkhaliq M. Alharbi

Zia Ullah

Nawishta Jabeen

and

Muhammad Ashraf

Symmetry 2023, 15(6), 1148; https://doi.org/10.3390/sym15061148 - 25 May 2023

Cited by 4 | Viewed by 513

Abstract

Numerical and physical simulations of the magnetohydrodynamic mixed convective flow of electrically conducting fluid along avertical magnetized and symmetrically heated plate with slip velocity and thermal slip effects have been performed. The novelty of the present work is to evaluate heat transfer and magnetic flux along the symmetrically magnetized plate with thermal and velocity slip effects. For a smooth algorithm and integration, the linked partial differential equations of the existing fluid flow system are converted into coupled nonlinear ordinary differential equations with specified streaming features and similarity components. By employing the Keller Box strategy, the modified ordinary differential equations (ODEs) are again translated in a suitable format for numerical results. The MATLAB software is used to compute the numerical results, which are then displayed in graphical and tabular form. The influence of several governing parameters on velocity, temperature distribution and magnetic fields in addition to the friction quantity, magnetic flux and heat transfer quantity has been explored. Computational evaluation is performed along the symmetrically heated plate to evaluate the velocity, magnetic field, and temperature together with their gradients. The selection of the magnetic force element, the buoyancy factor

0 < ξ < \infty

, and the Prandtl parameter range

0.1 \leq \Pr \leq 7.0

were used to set the impacts of magnetic energy and diffusion, respectively. In the domains of magnetic resonance imaging (MRI), artificial heart wolves, interior heart cavities, and nanoburning systems, the present thermodynamic and magnetohydrodynamic issuesare significant. Full article

(This article belongs to the Special Issue Magnetohydrodynamics and Symmetry: Theory, Methods, and Applications)

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Open AccessArticle

Impact of Thermal Radiation on MHD GO-Fe₂O₄/EG Flow and Heat Transfer over a Moving Surface

Nur Aisyah Aminuddin

Nor Ain Azeany Mohd Nasir

and

Symmetry 2023, 15(3), 584; https://doi.org/10.3390/sym15030584 - 23 Feb 2023

Cited by 2 | Viewed by 907

Abstract

The heat transmission in a non-Newtonian hybrid nanofluid that combines particles of graphene oxide (GO) and iron dioxide (Fe₂O₄) with the base fluid chosen as ethylene glycol (EG) is analyzed, including the effects of radiation and magnetic influence. The hybrid nanofluid flow is assumed to be asymmetric because it flows along a horizontal shrinking surface in response to external inducements. The mathematically modelled partial differential equations (PDEs) form is then derived into ordinary differential equations (ODEs) by implementing a proper similarity transformation to the PDEs. The mathematical formulation is then algorithmically estimated employing the bvp4c solver in MATLAB. The parameters’ effects on the skin friction measurement, local Nusselt number, entropy generation, velocity profile, and temperature profile are investigated and explained. This finding illustrated that the skin friction is augmented between 13.7% and 66.5% with the magnetic field, velocity slips, and the concentration of GO particles. As for the heat transmission ratio, only thermal radiation and velocity slip effects will affect the heat upsurge with the range of 99.8–147% for taken parameter values. The entropy for the shrinking case is found to increase between 16.6% and 43.9% with the magnetic field, velocity slip, and Eckert number. Full article

(This article belongs to the Special Issue Magnetohydrodynamics and Symmetry: Theory, Methods, and Applications)

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Open AccessArticle

Computational Simulation and Parametric Analysis of the Effectiveness of Ternary Nano-composites in Improving Magneto-Micropolar Liquid Heat Transport Performance

Firas A. Alwawi

Mohammed Z. Swalmeh

and

Abdulkareem Saleh Hamarsheh

Symmetry 2023, 15(2), 429; https://doi.org/10.3390/sym15020429 - 06 Feb 2023

Cited by 2 | Viewed by 967

Abstract

This numerical analysis aims to observe and analyze the combined convection characteristics of the micropolar tri-hybrid nano-liquid that moves around a cylindrical object, and, in addition, to compare its thermal behavior to that of hybrid and mono nano-fluids. For this purpose, the problem is modeled by developing the Tiwari and Das models, then the governing model is converted into dimensionless expressions, and finally, the problem is solved using the Keller box approximation. The current findings are compared with previously published results to show that the present method is sufficiently accurate for physical and engineering applications. By examining and analyzing the extent to which skin friction, the Nusselt number, velocity, angular velocity, and temperature are affected by some critical factors, the following points are revealed: A greater value of the micropolar and magnetic factors can result in curtailing the heat transmission rate, velocity, and angular velocity. Higher values of the mixed convection factor can contribute to a better rate of energy transfer and can grant the micropolar tri-hybrid nano-liquid a higher velocity. Regardless of the influencing factors, the maximum value of all considered physical groups is achieved by using ternary hybrid nano-liquids. Full article

(This article belongs to the Special Issue Magnetohydrodynamics and Symmetry: Theory, Methods, and Applications)

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Open AccessArticle

How Fluid Particle Interaction Affects the Flow of Dusty Williamson Fluid

Abdul Rahman Mohd Kasim

Nur Syamilah Arifin

Syazwani Mohd Zokri

Noor Amalina Nisa Ariffin

and

Sharidan Shafie

Symmetry 2023, 15(1), 203; https://doi.org/10.3390/sym15010203 - 10 Jan 2023

Viewed by 743

Abstract

A model of two-phase flow involving non-Newtonian fluid is described to be more reliable to present the fluid that involves industrial applications due to the special characteristics in its behavior. Many models of non-Newtonian fluid were discovered in the last few decades but the model that captured the most attention is the Williamson model. The consideration of the existing particles in the Williamson flow (two-phase Williamson fluid) will make the model more interesting to investigate. Hence, this paper is aimed to explore the flow of two-phase Williamson fluid model in the presence of MHD and thermal radiation circumstances. The obtained ordinary differential equations after the transformations are solved using the Runge-Kutta Fehlberg (RKF45) method. The flow is considered asymmetric since it moves over a vertical stretching sheet with external stimuli. The result displays variation in dust phases compared to the fluid phase under distribution of velocity and temperature. It can be concluded that the fluid–particle interaction (FPI) parameter lessening the motion of fluid and heating characteristics. In addition, the upsurges on skin friction and heat transfer are resulting from the rising FPI. Furthermore, the presence of Williamson parameter increases the skin friction while causing degenerations on heat transfer of flow. Full article

(This article belongs to the Special Issue Magnetohydrodynamics and Symmetry: Theory, Methods, and Applications)

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