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Computational heat and mass transfer analysis of magnetized nanofluid flow under the influences of motile microorganisms and thermal radiation.

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Title: Computational heat and mass transfer analysis of magnetized nanofluid flow under the influences of motile microorganisms and thermal radiation.
Authors: Chaudhry, Munaza1 (AUTHOR), Basit, Muhammad Abdul1,2,3 (AUTHOR) mabdulbasit@gcuf.edu.pk, Akhtar, Tayyaba1 (AUTHOR), Imran, Muhammad1,4 (AUTHOR) drmimranchaudhry@gcuf.edu.pk, Tahir, Madeeha5 (AUTHOR), Saleem, S.6,7 (AUTHOR), Galal, Ahmed M.8,9 (AUTHOR)
Source: Modern Physics Letters B. 9/20/2025, Vol. 39 Issue 26, p1-19. 19p.
Subjects: Differential forms, Mathematical models, Heat of reaction, Partial differential equations, Ordinary differential equations
Abstract: A stagnation-point flow in a two-dimensional (2D) geometry across a nonlinear stretchable surface with varying viscosity and bioconvection is considered. The prominent feature of mass and heat transport is further explained by the instantaneous influences of variable mass diffusivity, chemical reaction, changing thermal conductivity and magnetohydrodynamics. The mathematical model for the above problem is developed in the form of partial differential equations. After applying the proper similarity variables, the PArtial Differential Equation (PDE) are converted to a system of Ordinary Differential Equation (ODE) and are numerically targeted by utilizing a built-in BVP4C technique in MATLAB software. The discussion regarding the problem focuses on determining the crucial values that correspond to the suction and stretching parameters. A parametric analysis of the temperature field, concentration distribution, and axial velocity has been carried out. The numerically produced outcomes show a good fit with results in existing literature. The study underscores the importance of understanding the interplay between various physical parameters in nanofluid flow systems involving bioconvection. Magnetic parameters contribute to an increased axial velocity profile on the other hand diffusive constant parameters λ initially reduce but eventually enhance velocity. Additionally by fixing the values of parameters as 0. 1 ≤ Ha ≤ 0. 7 , 0. 3 ≤ α ≤ 1. 3 , 0. 4 ≤ λ ≤ 0. 8 , 0. 2 ≤ Pr ≤ 0. 8 , 0. 1 ≤ Rd ≤ 1. 0 , 0. 1 ≤ θ r ≤ 1. 1 , 0. 5 ≤ Sc ≤ 1. 2 , and 0. 1 ≤ δ ≤ 0. 4 , it is observed that the higher Prandtl numbers reduce thermal conductivity, leading to a lower temperature profile. Variable viscosity introduces circular streamline patterns, indicating vortex formation and a gradual change in flow curvature from lower to higher viscosity regions. The magnetic field enhances flow stability, producing smoother streamlines and effectively controlling heat distribution in magnetohydrodynamic systems. [ABSTRACT FROM AUTHOR]
Copyright of Modern Physics Letters B is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Computational heat and mass transfer analysis of magnetized nanofluid flow under the influences of motile microorganisms and thermal radiation.
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  Data: <searchLink fieldCode="AR" term="%22Chaudhry%2C+Munaza%22">Chaudhry, Munaza</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Basit%2C+Muhammad+Abdul%22">Basit, Muhammad Abdul</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> mabdulbasit@gcuf.edu.pk</i><br /><searchLink fieldCode="AR" term="%22Akhtar%2C+Tayyaba%22">Akhtar, Tayyaba</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Imran%2C+Muhammad%22">Imran, Muhammad</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> drmimranchaudhry@gcuf.edu.pk</i><br /><searchLink fieldCode="AR" term="%22Tahir%2C+Madeeha%22">Tahir, Madeeha</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Saleem%2C+S%2E%22">Saleem, S.</searchLink><relatesTo>6,7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Galal%2C+Ahmed+M%2E%22">Galal, Ahmed M.</searchLink><relatesTo>8,9</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Modern+Physics+Letters+B%22">Modern Physics Letters B</searchLink>. 9/20/2025, Vol. 39 Issue 26, p1-19. 19p.
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  Data: <searchLink fieldCode="DE" term="%22Differential+forms%22">Differential forms</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematical+models%22">Mathematical models</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+of+reaction%22">Heat of reaction</searchLink><br /><searchLink fieldCode="DE" term="%22Partial+differential+equations%22">Partial differential equations</searchLink><br /><searchLink fieldCode="DE" term="%22Ordinary+differential+equations%22">Ordinary differential equations</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A stagnation-point flow in a two-dimensional (2D) geometry across a nonlinear stretchable surface with varying viscosity and bioconvection is considered. The prominent feature of mass and heat transport is further explained by the instantaneous influences of variable mass diffusivity, chemical reaction, changing thermal conductivity and magnetohydrodynamics. The mathematical model for the above problem is developed in the form of partial differential equations. After applying the proper similarity variables, the PArtial Differential Equation (PDE) are converted to a system of Ordinary Differential Equation (ODE) and are numerically targeted by utilizing a built-in BVP4C technique in MATLAB software. The discussion regarding the problem focuses on determining the crucial values that correspond to the suction and stretching parameters. A parametric analysis of the temperature field, concentration distribution, and axial velocity has been carried out. The numerically produced outcomes show a good fit with results in existing literature. The study underscores the importance of understanding the interplay between various physical parameters in nanofluid flow systems involving bioconvection. Magnetic parameters contribute to an increased axial velocity profile on the other hand diffusive constant parameters λ initially reduce but eventually enhance velocity. Additionally by fixing the values of parameters as 0. 1 ≤ Ha ≤ 0. 7 , 0. 3 ≤ α ≤ 1. 3 , 0. 4 ≤ λ ≤ 0. 8 , 0. 2 ≤ Pr ≤ 0. 8 , 0. 1 ≤ Rd ≤ 1. 0 , 0. 1 ≤ θ r ≤ 1. 1 , 0. 5 ≤ Sc ≤ 1. 2 , and 0. 1 ≤ δ ≤ 0. 4 , it is observed that the higher Prandtl numbers reduce thermal conductivity, leading to a lower temperature profile. Variable viscosity introduces circular streamline patterns, indicating vortex formation and a gradual change in flow curvature from lower to higher viscosity regions. The magnetic field enhances flow stability, producing smoother streamlines and effectively controlling heat distribution in magnetohydrodynamic systems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Modern Physics Letters B is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1142/S0217984925501118
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      – Code: eng
        Text: English
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      – SubjectFull: Differential forms
        Type: general
      – SubjectFull: Mathematical models
        Type: general
      – SubjectFull: Heat of reaction
        Type: general
      – SubjectFull: Partial differential equations
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      – SubjectFull: Ordinary differential equations
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      – TitleFull: Computational heat and mass transfer analysis of magnetized nanofluid flow under the influences of motile microorganisms and thermal radiation.
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            NameFull: Chaudhry, Munaza
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              M: 09
              Text: 9/20/2025
              Type: published
              Y: 2025
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