M. A. Abdelhafez

ORCID: 0000-0003-2859-5512
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About
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Research Areas
  • Nanofluid Flow and Heat Transfer
  • Heat Transfer Mechanisms
  • Fluid Dynamics and Turbulent Flows
  • Heat Transfer and Optimization
  • Heat and Mass Transfer in Porous Media
  • Thermoelastic and Magnetoelastic Phenomena
  • Differential Equations and Numerical Methods
  • Elasticity and Wave Propagation
  • Fluid Dynamics and Vibration Analysis
  • Rheology and Fluid Dynamics Studies
  • Insect-Plant Interactions and Control
  • Advanced Mathematical Modeling in Engineering
  • Numerical methods in inverse problems
  • Fluid Dynamics and Thin Films
  • Thermography and Photoacoustic Techniques
  • Rock Mechanics and Modeling
  • High-pressure geophysics and materials
  • Composite Structure Analysis and Optimization
  • Material Science and Thermodynamics
  • Phytoplasmas and Hemiptera pathogens
  • Optical Polarization and Ellipsometry
  • Agricultural Practices and Plant Genetics
  • Laser Material Processing Techniques
  • Drilling and Well Engineering
  • Fractional Differential Equations Solutions

Sohag University
2018-2025

Southern Federal University
2017-2019

This paper provides a rudimentary insight into the influence of heat and mass transfer on magneto-hydrodynamic (MHD) Jeffrey fluid peristaltic flow filling porous space in symmetric inclined channel using rotating frame with chemical reaction. In contrast to previous attempts, formulation is based impact modified Darcy's law media condition. The derived equations were solved analytically via standard long wavelength low Reynolds number assumptions determine pressure gradient, temperature,...

10.1016/j.aej.2022.11.016 article EN cc-by-nc-nd Alexandria Engineering Journal 2022-11-25

According to a survey of the literature, nanofluids are superior traditional fluids at transferring heat. A detailed analysis models mentioned above is crucial since there large gaps in illumination current solutions for improving heat transfer nanomaterials. The ongoing investigation's purpose ascertain tiny size gold particles drift free with and mass transfer, buoyancy forces, thermophoresis, Brownian motion micropolar nanofluid being transported through porous medium an asymmetric...

10.1038/s41598-022-26057-6 article EN cc-by Scientific Reports 2022-12-13

The recent study is focused on discussion of heat transfer and magnetic field results peristaltic flow Rabinowitsch fluid model in an Inclined Channel. In this piece research, peristalsis's fundamental problem with the presence a checked. An incompressible present inclined channel, which considered as reference for research. solutions are devised assumptions long wavelength low Reynolds number approximations. resulting equations then solved exactly by implementing various command MATHEMATICA...

10.1038/s41598-024-54396-z article EN cc-by Scientific Reports 2024-02-27

Purpose This article aims to describe the effect of an endoscope and heat transfer on peristaltic flow a Jeffrey fluid through gap between concentric uniform tubes. Design/methodology/approach The mathematical model present problem is carried out under long wavelength low Reynolds number approximations. Analytical solutions for velocity, temperature profiles, pressure gradient volume rate are obtained. Findings results indicate that wave amplitude, radius ratio, Grashof number, ratio...

10.1108/mmms-12-2020-0292 article EN Multidiscipline Modeling in Materials and Structures 2021-06-12

Abstract In magnetic resonance imaging (MRI), this MRI is used for the diagnosis of brain. The dynamic these particles occurs under action peristaltic waves generated on flexible walls Studying such fluid flow a Fractional Second-Grade therefore useful in treating tissues cancer. This paper deals with theoretical investigation interaction heat and mass transfer field fractional second-grade through tube, assumption low Reynolds number long-wavelength. analytical solution to problem obtained...

10.1038/s41598-022-14773-y article EN cc-by Scientific Reports 2022-06-23

The present investigation studies the peristaltic flow of Newtonian fluid model through an inclined asymmetric channel. Mathematical analysis has been carried out in presence magnetic field and heat mass transfer blood is examined a wave frame references moving with velocity wave. physical problem first model, then, analytical solution under long-wavelength low Reynolds number approximation. Expressions velocity, temperature, concentration, pressure gradient, tangential stress, coefficient...

10.1080/17455030.2022.2084653 article EN Waves in Random and Complex Media 2022-06-13

Abstract This article presents a theoretical study on heat and mass transfer analysis of the peristaltic flow blood conveying through an asymmetric channel in presence inclined to magnetic field. The effects ratio relaxation retardation times, non-uniform parameter, non-dimensional amplitude, Hartman number phase difference have been taken into account. governing coupled non-linear partial differential equations representing model are transmuted linear ones by assuming that wave is very long...

10.1038/s41598-023-30378-5 article EN cc-by Scientific Reports 2023-04-07

Abstract This manuscript addresses a significant research gap in the study by employing mathematical model of photo thermoelastic wave propagation rotator semiconductor medium under effect magnetic field and initial stress, as well ramp-type heating. The considered is formulated during photothermal theory two-dimensional (2D) electronic-elastic deformation. governing equations represent interaction between primary physical parameters throughout process transfer. Computational simulations are...

10.1038/s41598-024-64485-8 article EN cc-by Scientific Reports 2024-07-16

One of the most significant techniques heat exchange in manufacturing appliances is convective transfer which can be enhanced by porous media and magnetic fields various applications such as improving dramatically different thermal equipment performance. This study investigates magnetohydrodynamic Maxwell nanofluid saturated a medium towards convectively heated extending cylinder with higher-order chemical reactions. The ordinary differential equations resolved using optimal homotopy...

10.1080/17455030.2021.1927237 article EN Waves in Random and Complex Media 2021-05-14

The aim of this paper is to investigate the flow MHD mixed convection nanofluid under nonlinear heated due an extending surface. transfer heat in subject a magnetic field and boundary conditions convective studied obtain physical meaning phenomenon. governing partial differential equations (PDEs) layer are reduced ordinary (ODEs) considering technique transformation similarity. transformed solved numerically efficient numerical shooting applying Runge–Kutta scheme from fourth‐fifth order....

10.1155/2021/5592024 article EN cc-by Complexity 2021-01-01

Abstract This study investigates consequences of the steady flow nanofluid via contracting cylinder utilizing mathematical Buongiorno's model nanofluid. Herein, influence magnetic field and porous materials are discussed in this paper. The parameters heat sink/source radiation taken into respect. Furthermore, react chemical yield stress within nanoingredients too, take up a new niche research. transformations similarity facilitate paradigm partial differential equations ordinary equations....

10.1007/s12648-022-02288-1 article EN cc-by Indian Journal of Physics 2022-03-09

The current work focuses attention on discussing the peristaltic flow of Rabinowitsch nanofluid through ciliated tube. This technical study analyzes heat and mass transfer effects a flow, incompressible, via governing non-linear partial differential equations representing model are transmuted into linear ones by employing appropriate non-dimensional parameters under assumption long wavelength low Reynolds number. is examined in wave frame reference moving with velocity [Formula: see text]....

10.1038/s41598-023-43029-6 article EN cc-by Scientific Reports 2023-09-25

Abstract This paper analyzes the mixed convection flow and transport of heat in a hybrid nanofluid via an exponentially extending/contracting surface. Joule heating, magnetic field, permeability porous medium, thermal radiation, slip condition are taken into consideration. Magnetite (Fe 3 O 4 ) copper (Cu) used as mixture nanoparticles while ethylene glycol regular liquid. The paradigm is dissolved by utilizing method Runge–Kutta–Fehlberg with shooting technique MATLAB software. effect...

10.1002/htj.22433 article EN Heat Transfer 2021-12-24

This paper presents a numerical study of the peristaltic flow micropolar fluid through porous medium have been studied under long-wavelength and low Reynolds number approximation. The system differential equations is solved numerically using NDSolve Mathematica. investigates effects magnetic field, heat transfer on induced by sinusoidal waves traveling down channel wall in symmetric channel. various parameters like coupling number, Hartman parameter, permeability, viscosity constant...

10.1080/17455030.2022.2058111 article EN Waves in Random and Complex Media 2022-04-11

The present study examines the outcome of viscous dissipation chemical reaction, and stratification in porous media on electromagnetohydrodynamic (EMHD) bioconvective hybrid nanofluid flow over an extending surface, using efficient similarity transformations. system partial differential equations (PDEs), which is very nonlinear, converted to a set ordinary (ODEs), then numerically solved MATHMATICA's NDSOLVE METHOD MATLAB's built-in numerical algorithm, bvp4c, based finite differences....

10.21608/sjsci.2024.245808.1139 article EN Deleted Journal 2024-03-25

In this article, magnetohydrodynamic (MHD) the two-dimensional stagnation-point convection flow over a nanofluid through porous medium due to solar energy stretching sheet is investigated theoretically. Heat transfer subject thermal radiation, viscous dissipation, an applied magnetic field, buoyancy, and convective boundary conditions considered. The governing layer equations are reduced into ordinary differential by similarity transformation. transformed solved numerically using efficient...

10.1080/17455030.2022.2026524 article EN Waves in Random and Complex Media 2022-01-31

In the present paper, effects of magnetic field and heat transfer on peristaltic flow a Jeffery fluid through porous medium in an asymmetric channel have been studied. The governing non-linear partial differential equations representing model are transmuted into linear ones by employing appropriate non-dimensional parameters under assumption long wavelength low Reynolds number. Exact solutions presented for stream function, pressure gradient, temperature. frictional force rise both computed...

10.1038/s41598-023-48137-x article EN cc-by Scientific Reports 2023-11-30

Abstract This article presents a theoretical study on heat and mass transfer analysis of the peristaltic flow blood conveying through an asymmetric channel in presence inclined to magnetic field. The effects ratio relaxation retardation times, non-uniform parameter, non-dimensional amplitude, Hartman number phase difference have been taken into account. governing coupled non-linear partial differential equations representing model are transmuted linear ones by assuming that wave is very long...

10.21203/rs.3.rs-2413448/v1 preprint EN cc-by Research Square (Research Square) 2023-01-11

Abstract This technical study analyzes heat and mass transfer effects on the flow of a peristaltic flow, incompressible, nanofluid via ciliated tube. The investigation considers approximation long wavelength low Reynolds number. is examined in wave frame reference moving with velocity c . governing equations have been solved to determine velocity, temperature, concentration, gradient pressure, rise pressure friction force. Using MATLAB R2023a software, parametric analysis performed,...

10.21203/rs.3.rs-3229259/v1 preprint EN cc-by Research Square (Research Square) 2023-08-16
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