Tesi etd-04072022-192021 |
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Tipo di tesi
Tesi di laurea magistrale
Autore
CARUSO-LOMBARDI, FILIPPO
URN
etd-04072022-192021
Titolo
Three-dimensional instability of the von Karman vortex street past a porous cylinder
Dipartimento
INGEGNERIA CIVILE E INDUSTRIALE
Corso di studi
INGEGNERIA AEROSPAZIALE
Relatori
relatore Dott. Camarri, Simone
relatore Prof. Gallaire, Francois
relatore Dott. Ledda, Pier Giuseppe
relatore Dott. Zampogna, Giuseppe Antonio
relatore Dott. Bongarzone, Alessandro
relatore Prof. Gallaire, Francois
relatore Dott. Ledda, Pier Giuseppe
relatore Dott. Zampogna, Giuseppe Antonio
relatore Dott. Bongarzone, Alessandro
Parole chiave
- hydrodynamic stability
- porous
- homogenization theory
- three-dimensional stability
- dynamical mode decomposition
- Floquet
- wake flow
- bluff bodies
Data inizio appello
26/04/2022
Consultabilità
Non consultabile
Data di rilascio
26/04/2025
Riassunto
The governing equations and appropriate boundary
conditions regulating the flow dynamics of a fluid phase past a permeable cylinder are derived, according to homogenization theory.
Effects of porosity on flow configuration and stability property of the wake are
discussed. The problem regarding the stability of the von Kármán
vortex street is described and a possible analysis procedure is proposed. The unsteady wake flow past a permeable cylinder is analyzed and the results concerning
the stability properties of the von Kármán vortex street past a permeable cylinder are presented.
conditions regulating the flow dynamics of a fluid phase past a permeable cylinder are derived, according to homogenization theory.
Effects of porosity on flow configuration and stability property of the wake are
discussed. The problem regarding the stability of the von Kármán
vortex street is described and a possible analysis procedure is proposed. The unsteady wake flow past a permeable cylinder is analyzed and the results concerning
the stability properties of the von Kármán vortex street past a permeable cylinder are presented.
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