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contributor authorMorales-Contreras, O. A.
contributor authorHerrera-Hernández, E. C.
contributor authorMartínez-Delgadillo, Sergio A.
contributor authorSanjuan-Galindo, Rene
contributor authorDelgado, Norma A. Ramos
contributor authorAlonzo-Garcia, Alejandro
date accessioned2025-04-21T10:05:01Z
date available2025-04-21T10:05:01Z
date copyright11/21/2024 12:00:00 AM
date issued2024
identifier issn0098-2202
identifier otherfe_147_04_041501.pdf
identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4305460
description abstractThe wall-modeled-large eddy simulation (WMLES) technique was used to analyze turbulent flow in a porous medium composed of a staggered arrangement of square cylinders. The study focused on a porosity range of 0.3–0.8 at a pore Reynolds number of 104. The research provides novel information on pressure and shear force distributions around the cylinders and time-averaged values of particle drag and fluctuating lift coefficients. Results indicate that flow physics are mainly driven by an expansion region in front of the central particle and another one in the rear, where the flow is contracted and strongly accelerated. In the first region, velocities, turbulence kinetic energy (k), and its dissipation rate (ε) are attenuated by a sudden pressure increase, while in the contraction region, the effect is the opposite. As porosity decreases, flow gradients and the overall levels of k, ε, and normalized Reynolds stresses become more significant. Turbulent anisotropy increases as porosity decreases below 0.6. Hydrodynamic stresses in the last interval present relatively uniform levels, which is a unique feature that may be considered in designing dedicated engineering devices with controlled stresses.
publisherThe American Society of Mechanical Engineers (ASME)
titleTurbulent Flow and Wall Forces in Staggered Square Cylinder Porous Media: An Large Eddy Simulation Analysis
typeJournal Paper
journal volume147
journal issue4
journal titleJournal of Fluids Engineering
identifier doi10.1115/1.4066836
journal fristpage41501-1
journal lastpage41501-15
page15
treeJournal of Fluids Engineering:;2024:;volume( 147 ):;issue: 004
contenttypeFulltext


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