Article Dans Une Revue Acta Mechanica Année : 2024

Pairwise interaction of in-line spheroids settling in a linearly-stratified fluid

Résumé

This study investigates the transport of particles in density-stratified fluids, a prevalent natural phenomenon. In oceans, particles and marine snow descend through fluids with significant density variations due to salinity and temperature gradients. Such heterogeneity in the background fluid affects the settling or rising rates of particles, often leading to accumulation at transitional density layers. Previous research has primarily focused on spherical particles, examining their isolated motion, pairwise interactions, and collective transport in stratified fluids. This work, however, extends the investigation to the interaction between two spheroidal particles settling in-line in a linearly-stratified fluid. This study employs a hybrid front-tracking/level-set technique to perform particle-resolved numerical simulations in a three-dimensional Cartesian domain. The results showcase the effects of varying the stratification strength through the Froude number, the particles' aspect ratios, and the initial separation distance between the particles on the interaction dynamics between the settling spheroids.

Fichier principal
Vignette du fichier
-77_Preprint_Abdullah_In_line_spheroids__Acta_Mechanica_.pdf (5.24 Mo) Télécharger le fichier
Origine Fichiers produits par l'(les) auteur(s)
Licence

Dates et versions

hal-05083569 , version 1 (24-05-2025)

Licence

Identifiants

Citer

Abdullah Abdal, Lyes Kahouadji, Seungwon Shin, Jalel Chergui, Damir Juric, et al.. Pairwise interaction of in-line spheroids settling in a linearly-stratified fluid. Acta Mechanica, 2024, pp.5741-5761. ⟨10.1007/s00707-024-04125-4⟩. ⟨hal-05083569⟩
1617 Consultations
230 Téléchargements

Altmetric

Partager

  • More