Radiative flow of magnetic nanofluids over a moving surface with convective boundary condition

Wahid, Nur Syahirah; Arifin, Norihan Md; Khashi’ie, Najiyah Safwa; Pop, Ioan; Bachok, Norfifah; Hafidzuddin, Mohd Ezad Hafidz

doi:10.23939/mmc2022.04.791

Cited by 4 publications

(2 citation statements)

References 51 publications

(51 reference statements)

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“…Additionally, it is established that the stretching sheet has a smaller range of dual solutions compared to the shrinking case. Moreover, Wahid et al [15] conducted a numerical investigation into the impact of convective boundary conditions and heat radiation on the flow of magnetic nanofluids (MNFs) through a permeable moving plate, where they examined increased levels of thermal radiation and Biot number to analyze the heat transfer performance of magnetic nanofluids (MNFs), and determined that higher values of these parameters effectively enhance the heat transfer rate.…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional rotating viscous flow past a permeable stretching/shrinking sheet with convective boundary condition

Hafidzuddin,

Arifin,

Nazar

et al. 2023

Math. Model. Comput.

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The study of three-dimensional rotating boundary layer flow approaching a stretching or shrinking surface under convective boundary conditions is presented in this paper. This study expands the scope of previous researchers' work to encompass broader scenarios, including situations involving mass transfer (suction) on the wall, the Biot number and cases featuring a shrinking surface. It is found that the increase of suction and rotating parameters leads to a noticeable rise in both the local skin friction coefficients and the local Nusselt number, and the solutions to the governing ordinary differential equations exhibit a dual-branch nature, comprising both upper and lower branch solutions, within a specific range of the governing parameters.

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Section: Introductionmentioning

confidence: 99%

Three-dimensional rotating viscous flow past a permeable stretching/shrinking sheet with convective boundary condition

Hafidzuddin,

Arifin,

Nazar

et al. 2023

Math. Model. Comput.

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“…Looking at these studies, it can be seen that many types of cases have been going through, for example, using different effects, liquids, mediums, and methods to prove or get over the curiosities [22][23][24][25]. Hence, the aim of this paper is also to modify and enhance the previous research to widen people's knowledge and interest.…”

Section: Introductionmentioning

confidence: 99%

Stagnation-point flow and heat transfer over an exponentially shrinking/stretching sheet in porous medium with heat generation

Hakim,

Rosali,

Johari

2023

Math. Model. Comput.

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This study seeks to examine the fluid flow at the stagnation point over an exponentially shrinking and stretching sheet in a porous medium. This study also investigates the heat transfer rate in the presence of heat generation. By using the appropriate similarity transformation, we obtained ordinary differential equations (ODEs) that are reduced from the governing system of partial differential equations (PDEs). These resulting equations are subjected to new boundary conditions and solved numerically by using BVP4C in MATLAB software. The effects of the parameters involved in this study are summarized and thoroughly discussed: the skin friction coefficient, local Nusselt number, velocity profile, and temperature profile obtained. The analysis is done by using graphical and tabular data. The observed parameters are the permeability parameter K and the heat generation parameter Q towards shrinking/stretching parameter λ. It is found that a dual solution exists for λ<0 (shrinking case), whereas the solution is unique for λ>0 (stretching case). The analysis reveals that with heat generation being increased, the skin friction coefficient is constant. However, it increases when permeability increases. The local Nusselt number decreases with heat generation being increased. However, it increases when the permeability increases.

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Unsteady chemically reactive heat and mass transfer during Darcy Forchheimer radiative nanofluid flow with slip conditions: Application to nano‐lubrications and cutting process

Ullah,

Alam,

El‐Zahar

et al. 2024

Z Angew Math Mech

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The novelty of this study is to develop the oscillation, amplitude and periodical behavior of thermal and concentration boundary layers of transient Darcian nanofluid flow over stationary circular cylinder. For the improvement of cutting forces, lubrication and cooling in machining operations, workpiece cutting temperature and tool durability, the nanofluids have significant role with the effects of thermophoretic nanoparticles and rate of reactions. The aim of current work is to deduce the oscillations, amplitude, and frequency analysis of mass and heat transmission of Darcian nanoparticles motion around porous stretchable cylinder with thermal radiation and heat generation effects. For physical and thermo parameters, the governing mathematical equations are transformed into convenient equations. The smooth and similar programing algorithm is developed in FORTRAN language (Lahey‐95) by using primitive and oscillatory stokes transformations. The primitive steady and oscillating model is solved numerically by using Gaussian elimination and implicit finite difference techniques. The steady outcomes of velocity, temperature, and concentration distributions are plotted for various physical parameters within defined boundary values. The range of parameters such as , , , , , and is used. The steady results are again used to display the oscillatory skin friction, oscillating heating rate, and oscillating mass transport around and positions of stretching porous cylinder. The increasing amplitude of velocity and temperature slip distribution grows well as diffusion‐convection parameter and thermal radiation increases at both angles. The slip temperature and slip concentration grows significantly as convective parameter increases. The impact of thermophoresis and rate of reactions enhances the oscillations and amplitudes of mass and heat transmission around stretchable cylinder as porous effect decreases. It is very important in nanofluid lubrications, drilling, rotating, milling, and cutting tools machines.

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Radiative flow of magnetic nanofluids over a moving surface with convective boundary condition

Cited by 4 publications

References 51 publications

Three-dimensional rotating viscous flow past a permeable stretching/shrinking sheet with convective boundary condition

Three-dimensional rotating viscous flow past a permeable stretching/shrinking sheet with convective boundary condition

Stagnation-point flow and heat transfer over an exponentially shrinking/stretching sheet in porous medium with heat generation

Unsteady chemically reactive heat and mass transfer during Darcy Forchheimer radiative nanofluid flow with slip conditions: Application to nano‐lubrications and cutting process

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