| Issue |
EPJ Web Conf.
Volume 340, 2025
Powders & Grains 2025 – 10th International Conference on Micromechanics on Granular Media
|
|
|---|---|---|
| Article Number | 03010 | |
| Number of page(s) | 4 | |
| Section | Kinetic Theory and Granular Gas | |
| DOI | https://doi.org/10.1051/epjconf/202534003010 | |
| Published online | 01 December 2025 | |
https://doi.org/10.1051/epjconf/202534003010
Dilute gas-particle flow through a vertical axisymmetric pipe
1 Physical and Chemical Biology Laboratory and Department of Mechanical Engineering, Indian Institute of Technology, Palakkad, Kerala, India
2 School of Civil and Environmental Engineering, Cornell University, Ithaca, NY, USA
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Published online: 1 December 2025
Abstract
We investigate the flow of a dilute gas-particle flow through a vertical axisymmetric pipe under the influence of gravity. A simplified gas turbulence model is considered for the flow of relatively heavy particles within the turbulent gas, whereas the particle phase is described using constitutive relations from kinetic theory. Featureless frictional and bumpy frictionless boundary conditions are applied to analyze any resulting changes in flow behaviour. We present and compare the radial profiles of mean particle and gas velocity, particle and gas velocity fluctuations, and particle concentration for the two diferent wall boundary conditions.
© The Authors, published by EDP Sciences, 2025
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