Mixed convection along a nonisothermal vertical flat plate embedded in a porous medium: The entire regime

Hsieh, Jen-Chiang; Chen, T. S.; Armaly, Bassem F.

doi:10.1016/s0017-9310(05)80168-1

Cited by 48 publications

(20 citation statements)

References 14 publications

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“…In order to verify the accuracy of our present method, we have compared our results with those of Hsieh et al [7]. The present results compared with the above researches are in good agreement, as shown in Table 1.…”

Section: Resultssupporting

confidence: 76%

“…The aim of the present work is to extend the previous work of Hsieh et al [7] to study the heat and mass transfer characteristics in mixed convection about a wedge in saturated porous media: the entire regime. Nonsimilar solutions are obtained for the case of variable heat flux (VHF) and variable mass flux (VMF) which are prescribed power functions of the distance from the leading edge.…”

Section: Introductionmentioning

confidence: 92%

“…Mixed convection in porous media along a vertical flat plate or an inclined flat surface was studied by Cheng [1], Joshi and Gebhart [2], Lai and Kulacki [3] (the extension of [1]), Jang and Ni [4], Hsieh et al [5], and Vargas et al [6]. Later, Hsieh et al [7] (VWT or VHF), Hooper et aL [8], and Kumari and Gorla [9] (the extemsion of [7]: VWT), investigated the mixed convection over a vertical plate or wedge embedded in a saturated porous medium: the entire regime.…”

Section: Introductionmentioning

confidence: 99%

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Coupled heat and mass transfer in mixed convection over a VHF/VMF wedge in porous media: The entire regime

Yih¹

1999

Acta Mechanica

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Summary.Coupled heat and mass transfer in mixed convection about a wedge embedded in saturated porous media has been analyzed by nonsimilar solutions for the case of variable heat flux (VHF) and variable mass flux (VMF). The entire regime of the mixed convection is included, as the mixed convection parameter ;~* varies from 0 (pure free convection) to 1 (pure forced convection). The transformed nonlinear system of equations is solved by using an implicit finite difference method. The dimensionless temperature profiles, the dimensionless concentration profiles, the local Nusselt number and the local Sherwood number are presented. The decay of the dimensionless temperature profiles and the dimensionless concentration profiles has been observed in all cases. The local Nusselt number and the local Sherwood number increase for the increase in buoyancy ratio N*, wall heat/mass flux exponent s and for the decrease in wedge angle parameter ),. The variations of the local Nusselt number and the local Sherwood number with the increase of X* have the phenomenon of minimum. For a positive (negative) N*, increasing the Lewis number decreases (increases) the local Nusselt number. On the other hand, the local Sherwood number enhances as the Lewis number increases. Moreover, it is observed that the Lewis number has a more pronounced effect on the local Sherwood number than it has on the local Nusselt number.

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Section: Resultssupporting

confidence: 76%

Section: Introductionmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

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Coupled heat and mass transfer in mixed convection over a VHF/VMF wedge in porous media: The entire regime

Yih¹

1999

Acta Mechanica

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“…This is due to the nature of the compound term at y-axis vs.  plot and does not imply that the actual Nusselt number for the mixed convection is smaller than that for pure forced or pure free convection. This phenomenon is well explained by Hsieh et al [9] for the problem of a vertical flat plate and Yih [10] for the case of vertical isothermal cone. It is also observed that wedge angle parameter has no significant effect on the Nusselt number.…”

Section:  supporting

confidence: 59%

Effects of radiation on mixed convection in power law fluids along a vertical wedge embedded in a saturated porous medium under prescribed surface heat flux condition

Qureshi¹,

Ali²,

Khan³

2016

Heat Transfer XIV: Simulation and Experiments in Heat Transfer and Its Applications

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Radiation-mixed convection boundary layer analysis in power law fluids along vertical wedge embedded in a saturated porous medium has been performed using an implicit finite difference method. Darcian, steady, 2-D laminar flow has been considered under prescribed surface heat flux condition. The single mathematical model represents the case for vertical wedge, cone and plate by introducing the geometry parameter 'ε'. The governing equations and boundary conditions are transformed into dimensionless form to obtain similar and non-similar solutions. The results for non-similar case have been presented and plotted. Effects of radiation parameter 'Rd', variable heat flux parameter 'λ', wedge angle parameter 'm' and mixed convection parameter 'χ' have been studied for both Newtonian and Non-Newtonian fluids. These results have also been verified with available literature in defined range of parameters and found in good agreement. Results for both Newtonian and Non-Newtonian fluids have been presented for varying parameters like local Nusselt number, temperature and velocity fields.

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“…Recently Beg et al [6] obtained comprehensive network computational solutions for the two-dimensional transient hydromagnetic flow in a parallel-plate channel containing a Darcian porous material with dissipation and Hall/ion slip currents. The boundary layer and inertial effects on vertical surface in porous medium have been examined by Hseieh et al [7], and chien et al [8]. Jet et al [9] studied hydromagnetic flow and heat transfer on a continuously moving surface.…”

Section: Introductionmentioning

confidence: 99%

MHD Pressure Driven Two Phase flow in an inclined channel contain Porous medium

Daniel¹

2013

IOSR-JM

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Mixed convection along a nonisothermal vertical flat plate embedded in a porous medium: The entire regime

Cited by 48 publications

References 14 publications

Coupled heat and mass transfer in mixed convection over a VHF/VMF wedge in porous media: The entire regime

Coupled heat and mass transfer in mixed convection over a VHF/VMF wedge in porous media: The entire regime

Effects of radiation on mixed convection in power law fluids along a vertical wedge embedded in a saturated porous medium under prescribed surface heat flux condition

MHD Pressure Driven Two Phase flow in an inclined channel contain Porous medium

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