Non-Newtonian power-law fluids with variable magnetic field and slip conditions

Dawood, Muhammad; Yousaf, M.; Ahmad, Shafiq; Zeb, Salman

doi:10.1177/09544089221107991

Cited by 3 publications

(4 citation statements)

References 48 publications

(69 reference statements)

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“…The influence of double diffusion on MHD Carreau fluid flowing through a porous media past a stretching sheet with the effects of suction/injection was detected by Zeb et al [9]. Dawood et al [10] examined the impact of non-Newtonian power-law fluids past a stretching sheet in the presence of slip boundary conditions and a magnetic field. They showed the behavior of magnetic parameter with Newtonian, dilatant, and pseudo-plastic fluids.…”

Section: Introductionmentioning

confidence: 99%

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Intensification of heat and mass transfer in nanomaterial flow over a rotating channel with chemical reaction: A comparative study

et al. 2023

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The current study scrutinizes the impact of heat and mass transfer on the slip flow of a nanofluid in a rotating system, which is designed by two infinite parallel plates. The effects of a magnetic field, thermal radiation, and chemical reaction are also added to the flow system. Copper oxide (CuO) is considered the nanomaterial with drinking water as the base fluid. The governing partial differential equations are transformed into a system of nonlinear ordinary differential equations with the help of similarity transformations. These equations are solved analytically by employing the least square method (LSM) and the Galerkin method (GM). The results computed by these methods are compared with the numerical method such as the Runge–Kutta method of order four (RK4M). The extensive applications of LSM and GM in comparison with RK4M are also presented. Although the attained outcomes are in good agreement, the results obtained with GM are more accurate than that obtained with LSM. Moreover, the contributions of various fluid parameters on the velocity, temperature, and concentration of the fluid are discussed through graphs. Results reveal that the presence of slip in the boundary declines the fluid velocity. The rotational velocity is enhanced with the increment of the rotation parameter. The magnitude of the skin friction coefficient is reduced by increasing the nanoparticle volume fraction while it grows by rising the magnetic parameter. The Nusselt number shows an enhancement with nanoparticle volume fraction, and it yields a slight reduction by increasing the effect of a magnetic field.

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Section: Introductionmentioning

confidence: 99%

“…Dawood et al. [10] examined the impact of non‐Newtonian power‐law fluids past a stretching sheet in the presence of slip boundary conditions and a magnetic field. They showed the behavior of magnetic parameter with Newtonian, dilatant, and pseudo‐plastic fluids.…”

Section: Introductionmentioning

confidence: 99%

Intensification of heat and mass transfer in nanomaterial flow over a rotating channel with chemical reaction: A comparative study

et al. 2023

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“…They observed that, increasing values of magnetic field parameter and power law index cause decrease in the velocity profiles and reduce the associated boundary layer thickness. Dawood et al 23 carried out the power law fluid flow and heat transfer toward the stretching surface under variable magnetic field effect with slip boundary conditions. They concluded that the parameter corresponding to magnetic field reduces the velocity, however relates directly with temperature profiles in all Newtonian, dilatant and pseudo-plastic fluids.…”

Section: Introductionmentioning

confidence: 99%

Convective heat transfer of electrically conducting MHD power law fluid through annular sector duct

Ahmed,

Iqbal,

Mahmood

2023

Proceedings of the Institution of Mechanical Engineers, Part C:

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This study deals with the effect of Lorentz force on forced convection flow of electrically conducting magneto-hydrodynamic, (MHD) power law fluid through the annular sector duct by using finite volume method. In existence literature, hydro-thermal flow of MHD power law fluid within an annular sector duct has not been reported. The effect of Lorentz force on hydro-thermal power law fluid flow makes it very much novel in its own right. Here the main objective is to explore the effect of Lorentz force on hydro-thermal flow characteristics. The influence of uniform magnetic field is taken parallel to the radial direction. The effects of Hartman parameter, [Formula: see text] and power law index, [Formula: see text], corresponding to Lorentz force and power law fluid respectively, on the quantities of interest such as velocity and temperature profiles, friction factor and average Nusselt number [Formula: see text] are discussed for different geometric configuration parameters’ values of the annular sector duct. Computer code is developed and validated by comparing the results of limiting cases with the available literature. It has been observed that [Formula: see text] increases with the increase in [Formula: see text]. This trend is prevalent in both pseudo-plastic and dilatant fluids. The impact of [Formula: see text] is pronounced in the later case.

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“…Xing et al 20 have exposed more awareness on nanofluid flow s with phase interactions. Dawood et al 21 explanation went on non‐Newtonian fluid with slip conditions.…”

Section: Introductionmentioning

confidence: 99%

The axisymmetric flow of an MHD Powell–Eyring fluid with viscous dissipation and Newtonian heating condition: Keller‐box method

et al. 2022

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A special investigation on the heat transfer by applying viscous dissipation and considering the Newtonian heating condition in magnetohydrodynamic Powell–Eyring fluid has been attempted. It is regarded as the flow in an axisymmetrical direction over a radially stretching surface. The converted governing system of equations is solved to obtain a closed‐form solution using the Keller‐box technique. The skin‐friction coefficient's influence fully developed local Nusselt number is then presented graphically, and temperature profiles are sorted out for the pertinent parameters. The fluid overshoot towards the plate surface with rising magnetic field strength, hence, both the fluid velocity and the hydrodynamic border line layer thickness will fall, though, the skin‐friction coefficient will increase. Various relevant results of the energy indulgence have been discussed from heating and in view of viscous dissipation phenomena. The decision with minimal cases from previous studies in the literature received confirmation of the findings.

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Non-Newtonian power-law fluids with variable magnetic field and slip conditions

Cited by 3 publications

References 48 publications

Intensification of heat and mass transfer in nanomaterial flow over a rotating channel with chemical reaction: A comparative study

Intensification of heat and mass transfer in nanomaterial flow over a rotating channel with chemical reaction: A comparative study

Convective heat transfer of electrically conducting MHD power law fluid through annular sector duct

The axisymmetric flow of an MHD Powell–Eyring fluid with viscous dissipation and Newtonian heating condition: Keller‐box method

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