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Bifurcations in Poiseuille flow and wall turbulence
Cita
Jiménez Sendín, Javier 
ORCID: https://orcid.org/0000-0003-0755-843X
(1989).
Bifurcations in Poiseuille flow and wall turbulence.
En: "Symposium of the Fluid Dynamics Panel", 3-6 October, 1988, Cesme, Turkey. ISBN 92-835-0502-6. pp..
ORCID: https://orcid.org/0000-0003-0755-843X
(1989).
Bifurcations in Poiseuille flow and wall turbulence.
En: "Symposium of the Fluid Dynamics Panel", 3-6 October, 1988, Cesme, Turkey. ISBN 92-835-0502-6. pp..
Descripción
| Título: | Bifurcations in Poiseuille flow and wall turbulence |
|---|---|
| Autor/es: |
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| Tipo de Documento: | Ponencia en Congreso o Jornada (Artículo) |
| Título del Evento: | Symposium of the Fluid Dynamics Panel |
| Fechas del Evento: | 3-6 October, 1988 |
| Lugar del Evento: | Cesme, Turkey |
| Título del Libro: | AGARD Conference Proceedings. Fluid Dynamics of Three-Dimensional Turbulent Shear Flows and Transition |
| Fecha: | Abril 1989 |
| ISBN: | 92-835-0502-6 |
| Volumen: | 438 |
| Materias: | |
| ODS: | |
| Escuela: | E.T.S. de Ingeniería Aeronáutica y del Espacio (UPM) |
| Departamento: | Mecánica de Fluidos y Propulsión Aeroespacial |
| Licencias Creative Commons: | Reconocimiento - Sin obra derivada - No comercial |
Resumen
The fully nonlinear stage of two dimensional Poiseuile flow undergoes a limit cycle bifurcation, whose detailed mechanism is studied using full numerical simulations of simple, spatially periodic cases. It is also shown that this mechanism, a periodic ejection from the wall layer, underlies the production of turbulence in more complicated two dimensional situations. Vorticity ejections are also present in the sublayer of three dimensional channels. Their behaviour is studied briefly in three dimensional simulations. A simplified model system is then proposed and studied. There are important differences between the two ejections mechanisms, due to the presence of three dimensional vorticity
Más información
| ID de Registro: | 89179 |
|---|---|
| Identificador DC: | https://oa.upm.es/89179/ |
| Identificador OAI: | oai:oa.upm.es:89179 |
| URL Oficial: | https://apps.dtic.mil/sti/tr/pdf/ADA211101.pdf |
| Depositado por: | Biblioteca ETSI Aeronauticos |
| Depositado el: | 27 May 2025 10:57 |
| Ultima Modificación: | 28 May 2025 07:58 |
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