Influence of internal heating on surface tension driven convection in deformable binary fluid layer

Mokhtar, Nor Fadzillah Mohd; Hamid, Nur Zarifah Abdul

doi:10.1063/1.5041623

Cited by 2 publications

(4 citation statements)

References 14 publications

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“…Based on Figure 4, as the value of elevated, the value of also increase as in Figure 2. It is because the increasing of value leads to reducing the surface tension, hence it delays the convection as explained by Mokhtar and Hamid [18]. Meanwhile, the increase of 1 will lessen the and hasten the ferroconvection.…”

Section: Resultsmentioning

confidence: 92%

“…The reason behind the behaviour of parameter is that based on the formulation of it is directly proportional to while it is inversely proportional to . The increasing of temperature will lead the decreasing of surface tension, while the simultaneous increasing of and decreasing of enhance the heat transfer (Mokhtar and Hamid [18]). The effect of on for a selected value of 1 is presented in Figure 4.…”

Section: Resultsmentioning

confidence: 99%

“…The study of deformable effect in Marangoni convection with the combined effect of the magnetic field has been done by Hashim and Arifin [17]. In the presence of internal heating, Mokhtar and Hamid [18] also researched the deformable impact of binary fluid layer convection in Bénard-Marangoni.…”

Section: Introductionmentioning

confidence: 99%

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Thermocapillary Convection in a Deformable Ferrofluid Layer

Senin

Mokhtar

Sathar

2020

ARFMTS

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A linear stability evaluation is conducted to explore the effect on the onset of Marangoni-Bénard convection in a ferrofluid layer system. The system is heated from below with treatment of both the lower and upper boundaries to completely insulate the temperature disturbance. The eigenvalue problem is solved by using regular perturbation technique to obtain the critical number of Marangoni and also the critical number of Rayleigh. It is observed that the increase in the value Crispation, the magnetic number of Rayleigh and also the magnetic number will destabilize the system while the increasing number of Bonds will delay the convection.

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Section: Resultsmentioning

confidence: 92%

Section: Resultsmentioning

confidence: 99%

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Thermocapillary Convection in a Deformable Ferrofluid Layer

Senin

Mokhtar

Sathar

2020

ARFMTS

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“…This effect is usually studied in Rayleigh-Benard or Marangoni-Benard convection. Recently, Mokhtar and Hamid [22] studied the Marangoni convection with internal heating effect and deformable surface. Furthermore, Marangoni convection in the presence of internal heating in a ferrofluid layer system had been done by Nanjundappa et al, [23].…”

Section: Introductionmentioning

confidence: 99%

Chaotic Convection in a Ferrofluid with Internal Heat Generation

Senin

Mokhtar

Sathar

2020

CFDL

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The nonlinear stability analysis of a ferrofluid layer system is formulated mathematically. This system considered the upper and lower free isothermal boundary with the system heated from below. A mathematical formulation is produced to study the behaviour of the chaotic convection in a ferrofluid layer system using Galerkin truncated expansion. The Boussinesq approximation is opted with the existence of internal heating and the magnetic number. It is found that the transition to chaos in this present study is identical to the Lorenz attractor and thus validate the method and analysis of this study. The impact of elevating the internal heat generation is found to hasten the instability of the system and as for the magnetic number, at M1 = 2.5 the homoclinic bifurcation occurs and thus accelerates the convection process.

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Influence of internal heating on surface tension driven convection in deformable binary fluid layer

Cited by 2 publications

References 14 publications

Thermocapillary Convection in a Deformable Ferrofluid Layer

Thermocapillary Convection in a Deformable Ferrofluid Layer

Chaotic Convection in a Ferrofluid with Internal Heat Generation

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