FDMP-Vol. 14, No. 1, 2018

Open Access

ARTICLE

Numerical Study of Natural Convection in a Right Triangular Enclosure with Sinusoidal Hot Wall and Different Configurations of Cold Walls
Manoj Kr. Triveni^1,*, Rajsekhar Panua²
FDMP-Fluid Dynamics & Materials Processing, Vol.14, No.1, pp. 1-21, 2018, DOI:10.3970/fdmp.2018.014.001
Abstract The numerical investigation of present work examines the free convection cooling of the base hot wall of a right-angled triangular cavity filled with water. The outline of the base wall is changed from smooth to sinusoidal shapes with different heights. The width (w) of the wave is fixed at 0.2 L and the height (h) of the sinusoidal shape wall is varied from 0.01 H to 0.03 H. The hot wall is cooled from the partially active side and inclined walls which are detached from the middle and structured in four different configurations namely AB,… More >

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ARTICLE

Numerical Visualizations of Mixing Enhancement in a 2D Supersonic Ejector
M. Dandani^1,*, V. Lepiller², A. Ghezal³, P. Desevaux⁴
FDMP-Fluid Dynamics & Materials Processing, Vol.14, No.1, pp. 23-37, 2018, DOI:10.3970/fdmp.2018.014.023
Abstract The present study deals with the numerical visualization of the mixing process in a 2D supersonic ejector. The mixing process is visualized using two CFD flow visualization methods. The first method consists in introducing discrete particles in the secondary flow and computing their trajectories. The second method consists in modeling the diffusion of a passive scalar introduced in one of the two flows. The mixing process is investigated in the case of a conventional 2D supersonic ejector and a second case of an ejector equipped with transverse micro jets. Flow visualizations obtained show the existence More >

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Heat and Mass Transfer of a non-Newtonian Fluid Flow in an Anisotropic Porous Channel with Chemical Surface Reaction
Z. Neffah¹, H. Kahalerras^{1, *}, B. Fersadou¹
FDMP-Fluid Dynamics & Materials Processing, Vol.14, No.1, pp. 39-56, 2018, DOI:10.3970/fdmp.2018.014.039
Abstract A numerical study of heat and mass transfer in a non-Newtonian fluid in a parallel-plate channel partly filled with an anisotropic porous medium and subjected to an exothermic chemical reaction on its walls has been conducted. The ﬂow ﬁeld in the porous region has been modeled by the modified Brinkman-Forchheimer extended Darcy model for power-law fluids and a ﬁnite volume method has been used to solve the governing equations. The influence played by a variation of the anisotropic ratio on thermal conductivity, power-law index, Darcy number, and chemical reaction characteristics has been examined. We show More >

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ARTICLE

Primary and Secondary Flows on Unsteady MHD Free Convective Micropolar Fluid Flow Past an Inclined Plate in a Rotating System: a Finite Element Analysis
M. D. Shamshuddin^{1, *}, P. V. Satya Narayana²
FDMP-Fluid Dynamics & Materials Processing, Vol.14, No.1, pp. 57-86, 2018, DOI:10.3970/fdmp.2018.014.057
Abstract In the present paper, a numerical analysis is performed to study the primary and secondary flows of a micropolar fluid flow past an inclined plate with viscous dissipation and thermal radiation in a rotating frame. A uniform magnetic field of strength Bo is applied normal to the plane of the plate. The whole system rotates with uniform angular velocity about an axis normal to the plate. The governing partial differential equations are transformed into coupled nonlinear partial differential equations by using the appropriate dimensionless quantities. The resulting equations are then solved by the Galerkin finite More >

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