Unsteady MHD on Convective Flow of a Newtonian Fluid Past an Inclined Plate in Presence of Chemical Reaction with Radiation Absorption and Dufour Effects

Mopuri, Obulesu; Kodi, Raghunath; Peram, Mohan Reddy; Ganteda, Charankumar; Lorenzini, Giulio; Sidik, Nor Azwadi

doi:10.37934/cfdl.14.7.6276

Cited by 11 publications

(7 citation statements)

References 17 publications

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“…Therefore, the same results will not be repeated here. The reason for this fact can still be well explained from the integral relationship between them (see equation (24)). In addition, it is also important to note in these pictures that the magnitude of volumetric flow rate amplitude increases with relaxation time l ¯1 due to elastic effect and decreases with retardation time l ¯2 because of retard effect.…”

Section: Volumetric Flow Rate Analysismentioning

confidence: 99%

“…And the numerical solutions of the control equations are obtained by similar transformation and differential transformation method (DTM). Mopuri et al [24] discussed the incorporation of emissions and Dufour properties in the case of inhomogeneous MHD assorted convection stream over a disposed holey moving shield with thermal radiation, heat assimilation and homogenous substance reactions subjected to changeable suction. The MHD flow of Newtonian fluids in symmetric channels with Atangana-Baleanu (ABC) fraction model containing hybrid nanoparticles was investigated by Ikram et al [25].…”

Section: Introductionmentioning

confidence: 99%

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Pulse electromagnetic flow of Jeffrey fluid in parallel plate microchannels

Li,

2023

Phys. Scr.

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This paper investigates the pulse electromagnetic flow of a Jeffery fluid between parallel plate microchannels, where the pulse is considered as a relatively stable and common rectangular pulse. The Laplace transform and residue theorem are employed to derive the analytical solutions for the velocity and volumetric flow rate of the pulse electromagnetic flow. Graphical representations depict the effects of several important parameters, including the Hartmann number , pulse width , relaxation time and retardation time on them. The study findings demonstrate that the Hartmann number plays a vital role in the investigation of pulse electromagnetic flow. During the first half-cycle of the pulse electric field, the magnitude of the velocity amplitude increases and then decreases with the Hartmann number . An interesting observation is that in the second half-cycle, larger Hartmann number values result in a decrease in velocity followed by a reverse increase. The profiles of velocity and volumetric flow rate exhibit oscillations over a relatively short period of time, then gradually reach a stable state with time and display periodic variation characteristics. Moreover, a larger pulse width leads to a longer variation period and more stable profiles of velocity and volumetric flow rate. For smaller Hartmann numbers , the magnitude of the volumetric flow rate amplitude grows with the relaxation time and reduces with the retardation time . However, as the Hartmann number increases, the influence of relaxation time and retardation time on the volumetric flow rate becomes significantly weakened, especially the retardation time .

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Section: Volumetric Flow Rate Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pulse electromagnetic flow of Jeffrey fluid in parallel plate microchannels

Li,

2023

Phys. Scr.

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“…Numerous researchers, including Dharmaiah et al [32], Prasad et al [33], Venkateswarlu and Narayana [34], and Krishna et al [35], have investigated the impact of radiation absorption on the steady MHD flow of nano fluid. The influence of radiation absorption on an unsteady MHD natural convective fluid flow has been conducted by several researchers Arifuzzaman et al [36], Ibrahim et al [37], Krishna [38], Mopuri et al [39], and so on.…”

Section: Introductionmentioning

confidence: 99%

Soret and Dufour effects on two dimensional steady MHD flow past a semi‐infinite vertical porous plate in the presence of thermal radiation and radiation heat absorption with constant heat and mass flux

Ahmed,

Khanam

2024

Z Angew Math Mech

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The problem of a two‐dimensional steady, MHD convective, incompressible, viscous flow past a uniformly moving semi‐infinite vertical porous plate embedded in a porous medium in the presence of radiation heat absorption, thermal radiation, thermal diffusion, and diffusion thermo effects with constant heat and mass flux are studied. In the fluid region, a transversely oriented, homogeneous magnetic field of intensity is applied. The non‐dimensional governing equations are solved analytically adopting asymptotic series expansion method. The impacts of several physical quantities including Grashof number, Schmidt number, Prandtl number, Soret number, radiation absorption, radiation parameter, magnetic field within the flow domain and transport characteristic have been explored graphically. It has been found that fluid velocity and skin friction fall with enhancing the values of magnetic parameter. Further, temperature and concentration fields rise with an increase in the Soret effect.

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“…Mopuri et al. [19] examined the effects of radiation absorption and Dufour on a Newtonian convective flow across an inclined plate in the existence of chemical reactions. Nayak et al.…”

Section: Introductionmentioning

confidence: 99%

Chemical reaction and radiation impact on unsteady free convective flow through a porous medium past an infinite oscillatory vertical plate

Saikia,

Ahmed

2023

Z Angew Math Mech

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The current investigation is concerned with the effect of chemical reactions and radiation on unsteady free convective flow through a porous medium via an infinitely oscillating vertical plate. The primary goal of this study is to investigate the effects of first‐order homogeneous chemical reactions and thermal radiation on mass flow and heat transmission characteristics. The closed‐form Laplace transformation method is used to obtain exact solutions to the governing equations for concentration, energy and momentum. The impact of various non‐dimensional parameters on fluid velocity, temperature and concentration is graphically depicted. Furthermore, 3‐dimensional surface plots for the Nusselt number and Sherwood number are provided, and the equation for skin friction is derived and demonstrated in tabular form. Investigation simulates that the skin friction increases as the chemical reaction parameter hikes, whereas the fluid concentration reduces as the chemical reaction parameter increases. Further, it was revealed that the augmentation of the radiation parameter decreased the temperature and velocity pattern. It is seen that the primary and secondary velocities reduce due to the increment of the chemical reaction parameter.

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Unsteady MHD on Convective Flow of a Newtonian Fluid Past an Inclined Plate in Presence of Chemical Reaction with Radiation Absorption and Dufour Effects

Cited by 11 publications

References 17 publications

Pulse electromagnetic flow of Jeffrey fluid in parallel plate microchannels

Pulse electromagnetic flow of Jeffrey fluid in parallel plate microchannels

Soret and Dufour effects on two dimensional steady MHD flow past a semi‐infinite vertical porous plate in the presence of thermal radiation and radiation heat absorption with constant heat and mass flux

Chemical reaction and radiation impact on unsteady free convective flow through a porous medium past an infinite oscillatory vertical plate

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