Bioconvection in a squeezing flow of a micropolar fluid in a horizontal channel

Srinivasacharya, D.; Sreenath, I.

doi:10.1002/htj.21477

Cited by 10 publications

(4 citation statements)

References 37 publications

(51 reference statements)

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“…Krishna and Chamkha [8] discussed such a flow in their model, where they used a nanofluid as a source fluid with water as a nanoparticle, which is compressed between two parallel disks. Srinivasacharya and Sreenath [9] deliberated a micropolar fluid flow squeezed between equidistant and stretchable plates.…”

Section: Introductionmentioning

confidence: 99%

Squeezing MHD Flow along with Heat Transfer between Parallel plates by Using the Differential Transform Method

Agarwal¹

2022

J. Nano- Electron. Phys.

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This research examines a squeezing flow with the characteristics of heat transfer in a viscous fluid. This fluid is squeezed between two parallel plates. The retrieved highly nonlinear equations are converted to a fourth-order single nonlinear differential equation for flow and a second-order differential equation for heat by using appropriate similarity transformation. A differential transform method (DTM) is applied to get the approximate solution of flow and heat transfer equations. The effect of different physical parameters is also discussed and presented graphically. To show the accuracy and exactness of DTM, numeric values of the skin-friction coefficient and Nusselt number are compared with previously published works and numerical methods.

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Section: Introductionmentioning

confidence: 99%

Squeezing MHD Flow along with Heat Transfer between Parallel plates by Using the Differential Transform Method

Agarwal¹

2022

J. Nano- Electron. Phys.

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“…Results show that the microorganism density number increases for Peclet number. Srinivasacharya and Sreenath 37 discussed the bioconvective micropolar fluid flow between infinite parallel plates. Siddiq and Ashraf 38 exhibited the impact of Cattaneo–Christov on bioconvection of a micropolar nanofluid between parallel spinning disks.…”

Section: Introductionmentioning

confidence: 99%

Unsteady bioconvective squeezing flow with higher‐order chemical reaction and second‐order slip effects

2021

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In this investigation, the foremost aim is to study the impact of a higher‐order chemical reaction and second‐order slip on the bioconvective nanoliquid flow comprising gyrotactic microorganisms between two squeezed parallel plates. The existence of magnetic strength, thermophoretic, and Brownian migration is considered to model the flow. Similarity transformations are implemented to reduce our mathematical model into a set of nonlinear ordinary differential equations along with the requisite boundary conditions. The classical Runge‐Kutta‐Fehlberg method technique is employed to avail the numerical outcomes of the aforementioned nonlinear foremost equations correlated with the relevant boundary conditions. Parametric flow discussions, like, velocity profile, thermal profile, and heat and mass transport, have been portrayed through indispensable charts and graphs. Physical quantities, like, skin friction, Nusselt number, Sherwood number, and microorganism density number, have been estimated to analyze their numerous applications. The results communicate that temperature diminishes for squeezing factor and first‐order velocity slip parameter, but augments for second‐order slip parameter. Mass transport accelerates for chemical reaction but reduces for the order of reaction. Microorganism density number amplifies owing to chemical reaction and Peclet number while it decays for chemical reaction. This has advantageous applications in bio‐micro‐systems, bioreactors, biosensors, biochromatography, magnetic bioseparation devices, biocoating, and ecological fuels.

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“…Srinivasacharya and Himabindu 25 discussed entropy generation in the flow of micropolar fluid. Srinivasacharya and Sreenath 26 discussed the squeezing flow of micropolar fluid inside a channel. Shateyi and Motsa 27 discussed the effect of thermal radiation on micropolar fluid flowing over an unsteady stretching surface.…”

Section: Introductionmentioning

confidence: 99%

Quartic autocatalysis of homogeneous and heterogeneous reactions in the bioconvective flow of radiating micropolar nanofluid between parallel plates

2021

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This study deals with the quartic autocatalysis of homogeneous–heterogeneous chemical reaction that occurs in the bioconvective flow of micropolar nanofluid between two horizontally parallel plates. The quartic autocatalysis is found to be more effective than cubic autocatalysis since the concentration of the homogeneous species is substantially high. The upper plate is assumed to be in motion and the lower plate is kept stationary. Such a flow of micropolar fluid finds application in the pharmaceutical industry, microbial enhanced oil recovery, hydrodynamical machines, chemical processing, and so forth. The governing equations for this flow are in the form of the partial differential equation and their corresponding similarity transformation is obtained through Lie group analysis. The governing equations are further transformed to coupled nonlinear differential equations that are linearized through the Successive linearization method and are solved using the Chebyshev Collocation method. The effects of various parameters, such as micropolar coupling parameter, spin gradient parameter, reaction rates, and so forth, are analyzed. It is observed that the fluid flows with a greater velocity away from the channel walls, whereas near the channel walls the velocity decreases with an increase in the coupling parameter. Furthermore, the spin parameter increases the spin gradient viscosity that reduces the microrotation of particles that further decreases the microrotation profile.

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Bioconvection in a squeezing flow of a micropolar fluid in a horizontal channel

Cited by 10 publications

References 37 publications

Squeezing MHD Flow along with Heat Transfer between Parallel plates by Using the Differential Transform Method

Squeezing MHD Flow along with Heat Transfer between Parallel plates by Using the Differential Transform Method

Unsteady bioconvective squeezing flow with higher‐order chemical reaction and second‐order slip effects

Quartic autocatalysis of homogeneous and heterogeneous reactions in the bioconvective flow of radiating micropolar nanofluid between parallel plates

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