Lattice Boltzmann Simulation of Fluid Flow and Heat Transfer Through Porous Media – A Pore-Scale Approach

Main Article Content

Annunziata D’Orazio, Arash Karimipour, Iman Moradi

Abstract

The size and arrangement of the obstacles that form in the porous media have an influence on fluid flow and heat transfer., even in the same porosity. To address this issue, the present study simulated three obstacles in both regular and different staggered arrangements through a channel to compare the effect of staggered and regular arrangements, as well as different obstacle positions in the same porosity, on fluid flow and heat transfer. In the present study, the Single Relaxation Time Lattice Boltzmann Method, with Bhatnagar-Gross-Krook (BGK) approximation and D2Q9 model, is implemented for the numerical simulation. The temperature field is modeled using a Double Distribution Function (DDF) approach. Results are presented in terms of velocity and temperature fields, streamlines, percentage of pressure drop and Nusselt number of the obstacles walls. Also, the correlation between tortuosity and Nusselt number of the walls of the obstacles, has been proposed. The results show that by changing the arrangement of the obstacles from regular to staggered, with the same porosity, the Nusselt number of the obstacles increased by up 167%.

Article Details

How to Cite
Annunziata D’Orazio. (2024). Lattice Boltzmann Simulation of Fluid Flow and Heat Transfer Through Porous Media – A Pore-Scale Approach. International Journal on Recent and Innovation Trends in Computing and Communication, 11(9), 5399–5406. Retrieved from https://ijritcc.org/index.php/ijritcc/article/view/10654
Section
Articles