Bioconvection in a porous square cavity containing gyrotactic microorganisms under the effects of heat generation/absorption

Jamuna, Bodduna; Balla, Chandra Shekar

doi:10.1177/09544089211007326

Cited by 11 publications

(5 citation statements)

References 33 publications

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“…Balla et al (2021) premeditated finite element technique to know the temperature lines and flow lines features of Buongiorno's model nanofluid inside a square cavity bursting with microorganisms of gyrotactic type. Jamuna and Balla (2021) deliberated the influence of heat absorption/generation, thermophoresis and Brownian motion on isotherms, isoconcentrations of microorganisms and flow line fields of Buongiorno's type nanofluid within a square porous cavity. Biswas et al (2021) perceived marginal augmentation in the nondimensional rate of heat transport with growing values HFF 33,12 of magnetic field parameter in their work on nanofluid isotherms and isoconcentrations of microorganism characteristics inside a closed cavity pondered with gyrotactic microorganisms.…”

Section: Introductionmentioning

confidence: 99%

Thermal radiation impact on heat and mass transfer analysis of nanofluids inside a cavity with gyrotactic microorganisms

Reddy,

Sreedevi

2023

HFF

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Purpose Buongiorno’s type nanofluid mass and heat transport appearances inside a cavity filled with gyrotactic microorganisms by captivating thermal radiation is analyzed in the present work. Finite element investigation is instigated to examine the converted momentum, temperature, concentration of microorganisms and concentration of nanofluid equations numerically. Design/methodology/approach Finite element investigation is instigated to examine the converted momentum, temperature, concentration of microorganisms and concentration of nanofluid equations numerically. Findings The sway of these influenced parameters on standard rates of heat transport, nanoparticles Sherwood number and Sherwood number of microorganisms is also illustrated through graphs. It is perceived that the rates of heat transport remarkably intensifies inside the cavity region with amplifying thermophoresis number values. Originality/value The research work carried out in this paper is original and no part is copied from others’ work.

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Section: Introductionmentioning

confidence: 99%

Thermal radiation impact on heat and mass transfer analysis of nanofluids inside a cavity with gyrotactic microorganisms

Reddy,

Sreedevi

2023

HFF

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“…They also numerically examined Darcy–Forchheimer porosity effects with flow over a convectively heated surface. Jamuna and Balla 18 investigated bioconvection in a porous cavity to study heat generation/absorption effects. Pal and Mondal 19 passed chemical reactions and thermal radiation to study bioconvective nanofluid.…”

Section: Introductionmentioning

confidence: 99%

Bioconvective Casson nanofluid flow toward stagnation point in non‐Darcy porous medium with buoyancy effects, chemical reaction, and thermal radiation

Sangeetha

2022

Heat Trans

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The emphasis on non‐Newtonian fluid encountered in biomedical, pharmaceuticals, mining, food, chemical, and plastics industries and in noticeably enormous diverse industrial applications influenced this article. This study is accomplished in a non‐Darcy porous stretching surface to investigate the stagnation point of bioconvective Casson nanofluid. Chemical reaction, applied consistent magnetic field, radiative heat transfer, and buoyancy force consequences are studied for numerical examination. Composed of nonlinear partial differential equations for the above presumptions and reforming them into ordinary differential equations by means of compatible transformations are enforced. Adopting the fifth order Runge–Kutta Felhberg method with the shooting technique obtained a numerical solution. Obtained solutions are authenticated by comparing previous solutions. The major finding includes the reduction of the Casson parameter on the skin friction coefficient.

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“…Natural convective phenomena are treated numerically [5–8], experimentally, and/or theoretically (analytically) [4] for evaluating the influence of physical parameters on the characteristics of free convective flows in closed domains. In the recent past, most cases have been treated numerically.…”

Section: Introductionmentioning

confidence: 99%

Transition of thermally induced flow in a square cavity using an iterative predictor–corrector meshfree approach

Hilali

Bourihane

2022

Z Angew Math Mech

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This paper aims to propose a new approach based on meshfree method to solve the dimensionless steady nonlinear natural convection equations. The solution methodology uses the moving least squares (MLS) shape functions to discretize the weak form of the governing equations and the Newton-Raphson algorithm to compute the nonlinear solution. Parametric studies of natural convection concerning closed two-dimensional (2D) cavity with different operating conditions filled with air is used to assess the impact of the proposed approach on the performance of computed solutions. The cavity is formed by adiabatic and isothermal walls. For that, in all considered cases, the vertical sidewalls of the enclosure are heated differentially and maintained at hot and cold temperatures. The horizontal top and bottom walls are considered thermally insulated. The thermophysical properties of the working fluid are assumed to be constant except the density variations causing a body force term in the momentum equation. No-slip boundary condition is applied at all enclosure boundaries and all internal body boundaries. The considered cases are described and analyzed in detail to check the validity of the proposed method. A comparison is performed between the results obtained from the present computer code and those available in the literature.The influence of various controlling parameters is analyzed and discussed graphically through the obtained streamlines, isotherms, and (maximum and average) Nusselt number. The numerical results computed by the proposed method are found to be in good agreement with the reference data.

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Bioconvection in a porous square cavity containing gyrotactic microorganisms under the effects of heat generation/absorption

Cited by 11 publications

References 33 publications

Thermal radiation impact on heat and mass transfer analysis of nanofluids inside a cavity with gyrotactic microorganisms

Thermal radiation impact on heat and mass transfer analysis of nanofluids inside a cavity with gyrotactic microorganisms

Bioconvective Casson nanofluid flow toward stagnation point in non‐Darcy porous medium with buoyancy effects, chemical reaction, and thermal radiation

Transition of thermally induced flow in a square cavity using an iterative predictor–corrector meshfree approach

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