Unsteady MHD flow of a nano powell-eyring fluid near stagnation point past a convectively heated stretching sheet in the existence of chemical reaction with thermal radiation

Patil, Vishwambhar S.; Patil, Amar B.; Ganesh, S.; Humane, Pooja P.; Patil, Nalini S.

doi:10.1016/j.matpr.2020.11.860

Cited by 45 publications

(20 citation statements)

References 30 publications

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“…The radiative heat flux q r termed as q r = − 4 σ * 3 k * ∂ T 4 ∂ y, where σ *: Stefan–Boltzmann constant and k *: coefficient of absorption. The energy difference is small and hence according to Patil et al 35 and following Taylor's series about T ∞, T 4 is approximated as 4 T ∞ 3 T − 3 T ∞ 4. Therefore, the radiative heat flux is given by, After executing the mathematical operations, the modified form of equation (3) becomes, …”

Section: Problem Formulationmentioning

confidence: 99%

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Thermally and chemically reacted MHD Maxwell nanofluid flow past an inclined permeable stretching surface

Patil

Patil²,

Humane

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part E:

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The present work deals with chemically reacting unsteady magnetohydrodynamic Maxwell nanofluid flow past an inclined permeable stretching surface embedded in a porous medium with thermal radiation. The formulated governing partial differential equations conveying the flow model of Maxwell with Buongiorno modeled nanofluid is transformed into the system of highly non-linear ordinary differential equations via suitable similarity transformations; those equations are transmuted into an initial value problem and then solved numerically by a shooting approach with Runge–-Kutta fourth-order schema. To obtain the physical insight of the flow situation, the influence of associated parameters on the velocity, temperature, and concentration profiles is sketched graphically with the aid of MATLAB software. Furthermore, engineering quantities of interest are interpreted graphically. The computed numerical results are compared to estimate the validity of the achieved results; it has been found out that the computed results are highly accurate. The impact of the Maxwell parameter and inclination angle of the sheet on the velocity field is observed in decaying. Both thermal and solutal energy transport are progressive in nature as the Maxwell parameter and thermophoresis parameter grows, and a reverse trend is observed for Prandtl number.

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Section: Problem Formulationmentioning

confidence: 99%

“…Recent investigations on chemically reacting non-Newtonian fluids are found in the literature. 33–36…”

Section: Introductionmentioning

confidence: 99%

Thermally and chemically reacted MHD Maxwell nanofluid flow past an inclined permeable stretching surface

Patil

Patil²,

Humane

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part E:

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“…Senapati et al 7 expounded the MHD flow of Casson nanoliquid flow above a stretch sheet. Patil et al 8 deliberated the chemically reacting radiative stream of Powel–Eyring liquid above a stretchy sheet. Uddinet al 9 elucidated the MHD radiative stream of Prandtl–Eyring nanoliquid above a stretchy sheet with mixed convection.…”

Section: Introductionmentioning

confidence: 99%

Numerical study of bio-convection flow of magneto-cross nanofluid containing gyrotactic microorganisms with activation energy

Shi

Hamid

Khan

et al. 2021

Sci Rep

108

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In this study, a mathematical model is developed to scrutinize the transient magnetic flow of Cross nanoliquid past a stretching sheet with thermal radiation effects. Binary chemical reactions and heat source/sink effects along with convective boundary condition are also taken into the consideration. Appropriate similarity transformations are utilized to transform partial differential equations (PDE’s) into ordinary ones and then numerically tackled by shooting method. The impacts of different emerging parameters on the thermal, concentration, velocity, and micro-rotation profiles are incorporated and discussed in detail by means of graphs. Results reveal that, the escalation in magnetic parameter and Rayleigh number slowdowns the velocity and momentum of the fluid. The increase in Biot number, radiation and heat sink/source parameters upsurges the thermal boundary but, converse trend is seen for escalating Prandtl number. The density number of motile microorganisms acts as a growing function of bioconvection Lewis number and declining function of bioconvection Peclet number.

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“…Ghasemi and Hatami 18 inspected the impact of solar radiative on MHD stagnating point flowing along with an elongating surface. Patil et al 19 interrogated the impact of thermal radiation on unsteady MHD flowing of a Powell-Eyring nanoliquid via an extending plate. The impact of viscidness heat dissipative variations the thermal distributions by having a role as a heat generation, which has an impact on the rate of heat transit.…”

Section: Introductionmentioning

confidence: 99%

Flow and heat transport phenomenon for dynamics of Jeffrey nanofluid past stretchable sheet subject to Lorentz force and dissipation effects

Shahzad

Băleanu

Jamshed

et al. 2021

Sci Rep

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Survey of literature unveils that nanofluids are more efficient for heat transport in comparison to the traditional fluids. However, the enlightenment of developed techniques for the augmentation of heat transport in nanomaterials has considerable gaps and, consequently, an extensive investigation for aforementioned models is vital. The ongoing investigation aims to study the 2-D, incompressible Jeffrey nanofluid heat transference flow due to a stretchable surface. Furthermore, the effect of dispersion of graphene nanoparticles in base liquid ethylene glycol (EG) on the performance of flow and heat transport using the Tawari-Das model in the existence of Ohmic heating (electroconductive heating) and viscous heat dissipation is contemplated. The boundary-layer PDEs are reconstituted as ODEs employing appropriate similarity transformation. Keller-Box Method (KBM) is utilized to determine the numerical findings of the problem. Graphene conducts heat greater in rate than all of the other materials and it is a good conductor of electrical energy. Graphene/EG nanofluid is employed to look out the parametric aspects of heat transport flow, drag coefficient, and heat transference rate phenomena with the aid of graphs and tables. The numerical outcomes indicate that concentration and magnetic field abate the shear stresses for the nanofluid. An increase of Graphene nanoparticle volume fraction parameter can boost the heat transport rate. The effect of Prandtl Number is to slow down the rate of heat transport as well as decelerate the temperature. Additionally, the rate of heat transportation augments on a surface under Deborah's number. Results indicate that the temperature of the graphene-EG nanofluid is greater than the convectional fluid hence graphene-EG nanofluid gets more important in the cooling process, biosensors and drug delivery than conventional fluids.

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Unsteady MHD flow of a nano powell-eyring fluid near stagnation point past a convectively heated stretching sheet in the existence of chemical reaction with thermal radiation

Cited by 45 publications

References 30 publications

Thermally and chemically reacted MHD Maxwell nanofluid flow past an inclined permeable stretching surface

Thermally and chemically reacted MHD Maxwell nanofluid flow past an inclined permeable stretching surface

Numerical study of bio-convection flow of magneto-cross nanofluid containing gyrotactic microorganisms with activation energy

Flow and heat transport phenomenon for dynamics of Jeffrey nanofluid past stretchable sheet subject to Lorentz force and dissipation effects

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