Numerical duality of MHD stagnation point flow and heat transfer of nanofluid past a shrinking/stretching sheet: Metaheuristic approach

Uddin, Ziya; Vishwak, Korimerla Sai; Harmand, Souad

doi:10.1016/j.cjph.2021.07.018

Cited by 39 publications

(9 citation statements)

References 44 publications

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“…Raza et al [7] concentrated on the dual results of pyroclastic flow of rotational nanoliquid over a linearly expanding. Uddin et al [8] documented the heat transference and stagnation-point flow of a water-based ferrofluid across a stretching and shrinking slip. Rasool et al [9] numerically examined the MHD ferroliquid flow across an elongating sheet.…”

Section: Introductionmentioning

confidence: 99%

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Numerical study of an electrically conducting hybrid nanofluid over a linearly extended sheet

et al. 2022

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Award Number: 2/160/43The major purpose of this study is to observe the flow properties of an electrically conducting hybrid nanofluid (HNF) consist of carbon nanotubes (CNTs) and iron ferrite (Fe 3 O 4 ) nanoparticles (nps) passes through a linearly expanded sheet with the slip velocity. The non-Newtonian fluid models provide a better insight of the flow and heat allocation properties of nanofluids. For this purpose, we have used a Maxwell nanoliquid as the basis fluid in our experiment, with an inclined magnetic field applied to the flow direction. The flow regulating equations are turned into a system of non-dimensional differential equations via resemblance substitutions. The computational procedure "parametric continuation method" (PCM) has been used to compute the velocity, energy, and mass of the HNF. The statistical results are displayed through graphs and tables. Maxwell parameter, porosity, and velocity slip tend to minimize HNF velocity, while its temperature rises with the action of thermal radiation, inclined magnetic field, unsteadiness variable, and viscous dissipation. Furthermore, the porous medium's penetration has a greater influence on the reduction of nanofluid velocity.

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Section: Introductionmentioning

confidence: 99%

“…Uddin et al. [8] documented the heat transference and stagnation‐point flow of a water‐based ferrofluid across a stretching and shrinking slip. Rasool et al.…”

Section: Introductionmentioning

confidence: 99%

Numerical study of an electrically conducting hybrid nanofluid over a linearly extended sheet

et al. 2022

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“…Zainal et al, [18] investigated similar problem by considering convection boundary conditions toward a vertical plate. Recently, Uddin et al, [19] applied Metaheuristic approach to investigate the flow over a stretching/shrinking sheet with a non-aligned axis of symmetry in nanofluid.…”

Section: Introductionmentioning

confidence: 99%

Stability Solution of Unsteady Stagnation-Point Flow and Heat Transfer over a Stretching/Shrinking Sheet in Nanofluid with Slip Velocity Effect

Dzulkifli

Bachok

Yacob

et al. 2022

CFDL

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Computational of unsteady flow with slip condition is essential since physically the heat transfer process is time-dependent and there may exist slip between fluid and surface. Therefore, this study aims to investigate the unsteady stagnation-point flow and heat transfer over a stretching/shrinking sheet immersed in nanofluid in the presence of slip velocity. By applying boundary layer theory and Tiwari-Das model, the governing equations are developed and transformed into a system of ordinary differential equations using similarity transformation, which are then solved numerically using bvp4c solver in MATLAB. The influence of slip velocity, stretching/shrinking parameters, nanoparticle volume fraction and unsteadiness parameter on the local skin friction coefficient, local Nusselt number, as well as velocity and temperature profiles are analysed. There are three types of nanoparticles considered, namely Copper (Cu), Alumina (Al203), Titania (TiO2) and water (H20) is the base fluid. It is found that dual solutions occur for certain parameters and the stability analysis is performed. The analysis shows that the first solutions are found to be stable than the second solution. The local skin friction coefficient and local Nusselt number are increasing with slip velocity, nanoparticle volume fraction for shrinking case; however, the opposite trend is observed for stretching case. By raising 20% of nanoparticle volume fraction for the shrinking sheet ( the friction at the surface increases 24% and 15.5% for heat transfer rate for the first solution. Moreover, for 10% of nanoparticle volume fraction for the shrinking sheet (and the first solution, varying slip parameters from 0 to 0.2, give rise to approximately 21% of the friction at the surface and 68% of the heat transfer rate.

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“…The viscous dissipation effect has been used by Hamid et al (2022) to explore the flow phenomena of dusty MNF on the non-isothermal movable surface. Several other latest pertinent studies on MNF are extractable through this list: (Bhandari, 2021;Jalili et al, 2021;Mohamed et al, 2021;Nayak et al, 2021;Saranya et al, 2021;Uddin et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Mixed Convection Magnetic Nanofluid Flow past a Rotating Vertical Porous Cone

2022

JAFM

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Magnetic nanofluids (MNFs) have been the focus of extensive research nowadays owing to their potential usefulness as a transfer medium. This study is concerned with the boundary layer flow and heat transfer of MNF past a rotating vertical cone with the embedment of the porosity regime and mixed convection. The buoyancy opposing flow on the combined free and forced convection is being emphasized in this study to evaluate the behavior of the fluid within this region and predict the point of the boundary layer transition. The initial formulation of the model is simplified appropriately by employing the suitable similarity transformation. The package of bvp4c MATLAB is employed to execute the numerical solutions. Analysis of stability is also reported. Due to the mixed convection parameter, the opposing flow contributes towards two different alternative solutions, but the second solution is not stable. A higher local Nusselt number are achieved by increasing the concentration of magnetic nanofluid up to 2% and enlarging the mixed convection parameter under the influence of the porosity regime in the vertical rotating cone. It has been established in this study that the addition of cobalt ferrite as the magnetic nanoparticles (MNPs) is proven to have the ability in enhancing the thermal performance of the fluid.

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Numerical duality of MHD stagnation point flow and heat transfer of nanofluid past a shrinking/stretching sheet: Metaheuristic approach

Cited by 39 publications

References 44 publications

Numerical study of an electrically conducting hybrid nanofluid over a linearly extended sheet

Numerical study of an electrically conducting hybrid nanofluid over a linearly extended sheet

Stability Solution of Unsteady Stagnation-Point Flow and Heat Transfer over a Stretching/Shrinking Sheet in Nanofluid with Slip Velocity Effect

Mixed Convection Magnetic Nanofluid Flow past a Rotating Vertical Porous Cone

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