Journal ArticleDOI
Flow and heat transfer simulation in a wall-driven porous cavity with internal heat source by multiple-relaxation time lattice Boltzmann method (MRT-LBM)
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In this paper, the authors investigated the effect of wall driven and Richardson number on the heat transfer in a wall driven porous cavity with an isothermally heated square blockage inside.About:
This article is published in Applied Thermal Engineering.The article was published on 2020-06-05. It has received 16 citations till now. The article focuses on the topics: Richardson number & Combined forced and natural convection.read more
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Natural convection in an L-shape cavity equipped with heating blocks and porous layers
TL;DR: In this article, a comprehensive validated numerical simulation is carried out to reveal the significance of porous layers in the improvement of natural convection of L-shape enclosure and secondly nondimensionally optimize the location of blocks and porous layer (along the walls of the cavity) to achieve the maximum heat transfer rate.
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Influence of cavity inclination on mixed convection in a double-sided lid-driven cavity with a centrally inserted hot porous block
TL;DR: In this paper , the influence of seven distinct cavity inclination angles (α = 0°, 15°, 30°, 45°, 60°, 75° and 90°) on the fluid flow behavior during mixed convection in a double-sided lid-driven cavity for varied Richardson numbers (0 . 01 ≤ R i ≤ 100 ).
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Effects of pore geometry on the natural convective heat transmission in a porous cavity: a lattice Boltzmann simulation
TL;DR: In this article, a two-dimensional investigation on natural convection inside a porous cavity at pore-scale is performed using the lattice Boltzmann method with the focus on the effects of pores geometry.
Journal ArticleDOI
Numerical investigations of convection heat transfer in a thermal source-embedded porous medium via a lattice Boltzmann method
TL;DR: In this paper , the authors applied the generalized Brinkman-Forchheimer-extended-Darcy model to describe the momentum equation in a porous medium with a rectangular thermal source at the bottom.
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Heat transfer enrichment of nanofluid in a lid-driven porous cavity with an isothermal block
TL;DR: In this paper , the authors investigated heat transfer enrichment using nanofluid in a lid-driven porous cavity having an isothermal solid block through three distinct cases based on the moving direction of horizontal wall(s).
References
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Journal ArticleDOI
Fluid mechanics in the driven cavity
P. N. Shankar,M. D. Deshpande +1 more
TL;DR: In this article, a review of the body of work dealing with internal recirculating flows generated by the motion of one or more of the containing walls is presented. But the use of direct numerical simulation appears very promising.
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Natural convective heat transfer in a fluid saturated variable porosity medium
TL;DR: In this article, a generalised non-Darcian porous medium model for natural convective flow has been developed taking into account linear and non-linear matrix drag components as well as the inertial and viscous forces within the fluid.
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Mixed convection in a driven cavity with a stable vertical temperature gradient
TL;DR: In this paper, the authors made extensive parametric studies of flow and heat transfer of a viscous fluid contained in a square cavity, where flow is generated by the top horizontal boundary wall, which slides in its own plane at constant speed.
Journal ArticleDOI
Mixed convection flow in a lid-driven enclosure filled with a fluid-saturated porous medium
K. Khanafer,Ali J. Chamkha +1 more
TL;DR: In this paper, the volume averaged equations governing unsteady, laminar, mixed convection flow in an enclosure filled with a Darcian fluid-saturated uniform porous medium in the presence of internal heat generation are formulated.
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A lattice boltzmann model for convection heat transfer in porous media
Zhaoli Guo,Tianshou Zhao +1 more
TL;DR: In this paper, a lattice Boltzmann model for convection heat transfer in porous media is proposed, where a new distribution function is introduced to simulate the temperature field in addition to the density distribution function for the velocity field.