Unsteady Magneto-Bioconvection Flow of Chemically Reactive Powell Eyring Nanofluid Having Gyrotactic Microorganisms Over an Inclined Stretching Sheet with Non-Uniform Heat Source/Sink and Thermal Radiation

Pal, Dulal; Mondal, Surya Kanta

doi:10.1166/jon.2019.1624

Cited by 11 publications

(4 citation statements)

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“…Finally, several researchers have investigated non-Newtonian nanofluids containing microorganisms. The effects of MHD and thermal radiation models on bio-convective non-Newtonian fluid flow over a stretching surface were studied by Dulal Pal et al [34], Anas et al [35], Sreenivasulu et al [36], and Mahdy [37]. Bio-convective fluid flow over a disc subjected to constant heat, mass, and microorganism boundary conditions was studied by Rahila Naza et al [38].…”

Section: Introductionmentioning

confidence: 99%

“…In this study, non-Newtonian fluid and nanofluids (Table 1) were combined, and the heat and mass transfer of non-Newtonian nanofluid flow over a vertical cone/plate surface were analyzed. Our literature analysis revealed that bio-convection processes increase heat and mass transfer [34,35]. To improve heat and mass transfer, we also included the profiles of microorganisms in this model.…”

Section: Introductionmentioning

confidence: 99%

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Numerical Investigation of Radiative Hybrid Nanofluid Flows over a Plumb Cone/Plate

Peter,

Sambath,

Dhanasekaran

2023

Mathematics

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Non-Newtonian fluids play a crucial role in applications involving heat transfer and mass transfer. The inclusion of nanoparticles in these fluids improves the efficiency of heat and mass transfer processes. This study employs a numerical solution approach to examine the flow of non-Newtonian hybrid nanofluids over a plumb cone/plate surface, considering the effects of magnetohydrodynamics (MHD) and thermal radiation. Additionally, we investigate how heat and mass transfer are affected by a fluid containing microorganisms. The governing nonlinear partial differential equations are transformed into nonlinear ordinary differential equations using a similarity transformation to simplify this complex system. We then use the Keller-box finite-difference method to solve these equations. Along with a table presenting the results for skin friction, Nusselt number, Sherwood number, and microbe density number, we present graphical representations of velocity, temperature, concentration, and microorganism diffusion behavior. Our results indicate that the addition of MHD and thermal radiation improves the diffusion of microorganisms, thereby enhancing the rates of heat and mass transfer. Through a comparative analysis with prior research, we demonstrate the reliability of our conclusions.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Numerical Investigation of Radiative Hybrid Nanofluid Flows over a Plumb Cone/Plate

Peter,

Sambath,

Dhanasekaran

2023

Mathematics

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“…The influence of motile microorganisms is to destabilize relative to nanoparticles where nanomaterials either reduce or increase the values of the essential Rayleigh number depending on the distribution of nanoparticles. The chemical response has useful impact on the nanoliquid motion of bioconvection by motile microorganisms and nanomaterial within boundary layer explored by Pal and Mondal [22]. Khan et al [23] explored gyrotactic microorganisms with an impassive Prandtl number in Oldroyd-B nanofluid under the convergence methodology.…”

Section: Introductionmentioning

confidence: 99%

Numerical simulation for bio-convective flow of Sutterby nanofluid by a rotating disk

Abuzaid¹,

Ullah²

2021

Phys. Scr.

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Nanofluids play a vital role in the improvement of our practical life. The potential usage of nanomaterials in different applications such as oil recovery, refrigeration systems, a freeze of electrical components in computers, development of liquid displays, cooling spirals, mechanical engineering, electrical engineering, heat storage devices and biotechnology. Swimming microorganisms have a crucial role in various areas of life, such as medicines, bioengineering, biofuels and food processing. Microorganisms are used as antibiotics in medicine and help to create a vaccine. Keeping in mind these applications, the current research provides a mathematical model for bioconvection Sutterby nanofluid flowing past the rotating stretching disk with magnetic field, motile microorganisms, chemical reactions and heat generation. The Brownian movement and thermophoresis diffusions are also considered. The governing equation structures are simplified by suitable transformations. A popular bvp4c solver in MATLAB computational software is employed to achieve numerical results for the non-linear model. The flow evaluation for the effects of several prominent numbers on temperature, velocities, concentration and motile microorganism profiles is executed graphically and numerically. The volumetric concentration of nanomaterial rises for thermophoresis number while shows opposite nature for Prandtl and Lewis parameters. The boosting values of bioconvection Lewis number, Peclet number and bioconvection Rayleigh number decay the motile microorganisms’ concentration.

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“…Whereas the motion of motile microorganisms unlike the nanoparticles is self-driven. Various investigations discussing the phenomenon of bio-convection may be quoted [22,[39][40][41] and many therein.…”

Section: Introductionmentioning

confidence: 99%

Upshot of magnetic dipole on the flow of nanofluid along a stretched cylinder with gyrotactic microorganism in a stratified medium

Ramzan

2019

Phys. Scr.

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This study scrutinizes the impact of a ferromagnetic dipole in the flow of a nanofluid boundary layer flow past a stretching cylinder. Two different nanoparticles i.e. single-walled carbon nanotubes (SWCNT) and multi-walled carbon nanotubes (MWCNT) with ethylene glycol as base fluid are used. The flow is induced in the attendance of gyrotactic microorganisms and chemical reaction. The perception of introducing microorganism in the nanofluid flow is to stabilize the suspended nanoparticles. The novelty of the erected model is enhanced by considering the impacts of the partial slip and the thermal and solutal stratification. Appropriate similarity transformations are affianced to attain the nonlinear system from the boundary layer system of equations. The numerical solution of the erected model is attained by using the bvp4c built-in function of MATLAB software. The graphical results depicting the impacts of arising pertinent parameters versus involved distributions including velocity, temperature, concentration, motile microorganism profiles, Skin friction coefficient, local Nusselt and Sherwood numbers and motile density number with physical insight are also given. It is seen that density of microorganisms declines for larger values of bio-convection Peclet number for both types of carbon nanotubes.

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Unsteady Magneto-Bioconvection Flow of Chemically Reactive Powell Eyring Nanofluid Having Gyrotactic Microorganisms Over an Inclined Stretching Sheet with Non-Uniform Heat Source/Sink and Thermal Radiation

Cited by 11 publications

References 0 publications

Numerical Investigation of Radiative Hybrid Nanofluid Flows over a Plumb Cone/Plate

Numerical Investigation of Radiative Hybrid Nanofluid Flows over a Plumb Cone/Plate

Numerical simulation for bio-convective flow of Sutterby nanofluid by a rotating disk

Upshot of magnetic dipole on the flow of nanofluid along a stretched cylinder with gyrotactic microorganism in a stratified medium

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