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Dear Colleagues,

It is my immense pleasure to invite you to contribute to a high-impact Special Issue on the general subject of “Flow and Heat Transfer in Porous Media”. Fluid flow and heat transfer in porous media are involved in various fields in our daily lives. Research into the field of fluid flow with heat and mass transfer is essential for the advancement of applied science, engineering and technology fields. Therefore, this Special Issue aims to focus on advanced and recent topics in the fields of analytical, numerical and experimental techniques on fluid dynamics with heat and mass transfer in porous media.

Topics of interest for this Special Issue include, but are not limited to, the following: fluid flow and heat/mass transfer in porous media, drying technology, geothermal systems, microfluidics, nanofluidics, multiphase flows, heat pipes, thermal energy systems, HVAC systems, renewable energy systems and thermal system design and optimization.

Prof. Dr. Sivanandam Sivasankaran
Prof. Dr. Marimuthu Bhuvaneswari
Guest Editors

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Keywords

flow (laminar/turbulent) through porous media
thermal transport in porous media
mass transfer in porous media
nanofluid flow through porous media
numerical simulation

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26 pages, 30266 KiB

Open AccessArticle

Heat Transfer in 3D Laguerre–Voronoi Open-Cell Foams under Pulsating Flow

by Aidar Khairullin, Aigul Haibullina, Alex Sinyavin, Denis Balzamov, Vladimir Ilyin, Liliya Khairullina and Veronika Bronskaya

Energies 2022, 15(22), 8660; https://doi.org/10.3390/en15228660 - 18 Nov 2022

Cited by 2 | Viewed by 1186

Abstract

Open-cell foams are attractive for heat transfer enhancement in many engineering applications. Forced pulsations can lead to additional heat transfer enhancement in porous media. Studies of heat transfer in open-cell foams under forced pulsation conditions are limited. Therefore, in this work, the possibility of heat transfer enhancement in porous media with flow pulsations is studied by a numerical simulation. To generate the 3D open-cell foams, the Laguerre–Voronoi tessellation method was used. The foam porosity was 0.743, 0.864, and 0.954. The Reynolds numbers ranged from 10 to 55, and the products of the relative amplitude and the Strouhal numbers ranged from 0.114 to 0.344. Heat transfer was studied under the conditions of symmetric and asymmetric pulsations. The results of numerical simulation showed that an increase in the amplitude of pulsations led to an augmentation of heat transfer for all studied porosities. The maximum intensification of heat transfer was 43%. Symmetric pulsations were more efficient than asymmetric pulsations, with Reynolds numbers less than 25. The Thermal Performance Factor was always higher for asymmetric pulsations, due to the friction factor for symmetrical pulsations being much higher than for asymmetric pulsations. Based on the results of a numerical simulation, empirical correlations were obtained to predict the heat transfer intensification in porous media for a steady and pulsating flow. Full article

(This article belongs to the Special Issue Flow and Heat Transfer in Porous Media)

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