Characterization of turbulence in inhomogeneous anisotropic flows
| dc.creator | Cortet, Pierre-Philippe | |
| dc.creator | Diribarne, Pantxo | |
| dc.creator | Monchaux, Romain | |
| dc.creator | Chiffaudel, Arnaud | |
| dc.creator | Daviaud, Francois | |
| dc.creator | Dubrulle, Berengere | |
| dc.date | 2008-05-20 | |
| dc.date.accessioned | 2026-07-07T09:39:53Z | |
| dc.date.available | 2026-07-07T09:39:53Z | |
| dc.description | We introduce a global quantity $δ$ that characterizes turbulent fluctuations in inhomogeneous anisotropic flows. This time-dependent quantity is based on spatial averages of global velocity fields rather than classical temporal averages of local velocities. $δ(t)$ provides a useful quantitative characterization of any turbulent flow through generally only two parameters, its time average $\bar δ$ and its variance $δ_2$. Properties of $\bar δ$ and $δ_2$ are experimentally studied in the typical case of the von Kármán flow and used to characterize the scale by scale energy budget as a function of the forcing mode as well as the transition between two flow topologies. | |
| dc.identifier | https://arxiv.org/abs/0805.3092 | |
| dc.identifier | http://arxiv.org/abs/0805.3092 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/161340 | |
| dc.subject | Fluid Dynamics | |
| dc.title | Characterization of turbulence in inhomogeneous anisotropic flows | |
| dc.type | text |