| Issue |
E3S Web Conf.
Volume 592, 2024
International Scientific Conference Energy Management of Municipal Facilities and Environmental Technologies (EMMFT-2024)
|
|
|---|---|---|
| Article Number | 06009 | |
| Number of page(s) | 7 | |
| Section | Natural Resource Management, Air Pollution, and Water Treatment | |
| DOI | https://doi.org/10.1051/e3sconf/202459206009 | |
| Published online | 20 November 2024 | |
Natural convection in two-layer channel near bottom sludge under the influence of daily temperature fluctuations by the Lattice Boltzmann Method
1 Institute of Continuous Media Mechanics UB RAS, 614013 Perm, Russia
2 Perm State National Research University, 614990 Perm, Russia
* Corresponding author: ivanwolodin@gmail.com
This study investigates the natural convective flow within an horizontal two-layer system driven by daily temperature fluctuations. The upper part of the layer is free of the porous medium, while the porosity is in the lower part. A homogeneous porosity distribution is assumed along the bottom, mimicking the flow near bottom vegetation or sludge. The Lattice Boltzmann Method is employed to solve the problem. The porous medium is simulated using the representative elementary volume (REV) method. An additional set of distribution functions is implemented to capture temperature distribution. Simulation is performed at constant porosity coefficient and at different Darcy number.
© The Authors, published by EDP Sciences, 2024
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