Droplet Breakup Analysis inside Porous Media at Different Porosities, Using LBM

Salimi, Mohammad Reza; Taeibi Rahni, Mohammad; Amiri Hezaveh, Abolfazl; Zakyani Rodsari, Mehdi

doi:10.22034/jast.2022.322220.1110

Document Type : Original Article

Authors

¹ Aerospace Research Institute, Tehran, Iran

² Aerospace Eng. Sharif University Tehran, Iran

³ Mechanic Eng., Azad University Tehran Markaz Branch, Tehran, Iran

⁴ Aerospace Research Institute

https://doi.org/10.22034/jast.2022.322220.1110

Abstract

In present research, the interaction between single liquid droplet with particles inside a porous media is investigated numerically in two dimensions. The He’s model is used to simulate two phase flow and multiple relaxation time collision operator is implemented to increase numerical stability. Simulations have performed in three non-dimensional body forces of 0.000108, 0.000144, 0.000180, porosity values of 0.75, 0.8, 0.85 and Ohnesorge range of 0.19-0.76. In the range of investigated non-dimensional parameters, two distinct physics of droplet trapping and break up have observed. The related results revels that for every values of investigated non-dimensional body forces and porosity, there is a critical Ohnesorge number that droplet breaks up occurs for larger values. This critical value decreases as non-dimensional body force and porosity increases. Based on these results, a droplet trapping or break up behavioral diagram is drown with respect to the investigated density ratio, Ohnsorge, Reynolds and Capilary numbers.

Keywords

20.1001.1.17352134.2022.15.2.6.6

Main Subjects

Aerodynamic

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Journal of Aerospace Science and Technology

Droplet Breakup Analysis inside Porous Media at Different Porosities, Using LBM

References

References

[7] Aaltosalmi, U. (2005) Fluid Flow in Porous Media with the Lattice-Boltzmann Method, PhD Thesis, Department of Physics, University of Jyväskylä.

[8] Rostamzadeh, H., Salimi, M. R., & Taeibi-Rahni, M. (2018). Permeability correlation with porosity and Knudsen number for rarefied gas flow in Sierpinski carpets, Journal of Natural Gas Science and Engineering, 56, 549-567.

Volume 15, Issue 2
October 2022
Pages 61-71

Droplet Breakup Analysis inside Porous Media at Different Porosities, Using LBM

References

References

[7] Aaltosalmi, U. (2005) Fluid Flow in Porous Media with the Lattice-Boltzmann Method, PhD Thesis, Department of Physics, University of Jyväskylä.

[8] Rostamzadeh, H., Salimi, M. R., & Taeibi-Rahni, M. (2018). Permeability correlation with porosity and Knudsen number for rarefied gas flow in Sierpinski carpets, Journal of Natural Gas Science and Engineering, 56, 549-567.

Volume 15, Issue 2October 2022Pages 61-71

Volume 15, Issue 2
October 2022
Pages 61-71