An experimental study of bypass transition in plane Couette flow S. AMALFI, F. LAADHARI & J. F. SCOTT S. AMALFI, F. LAADHARI & J. F. SCOTT Laboratoire de Mécanique des Fluides et Laboratoire de Mécanique des Fluides et d’Acoustique d’Acoustique Unité Mixte de Recherche 5509 Unité Mixte de Recherche 5509 69 134 ECULLY, France 69 134 ECULLY, France Euromech 10 th European Turbulence Conference 29 June – 2 July 2004, Trondheim, Norway
13
Embed
An experimental study of bypass transition in plane Couette flow
Euromech 10 th European Turbulence Conference 29 June – 2 July 2004, Trondheim, Norway. An experimental study of bypass transition in plane Couette flow. S. AMALFI, F. LAADHARI & J. F. SCOTT Laboratoire de Mécanique des Fluides et d’Acoustique Unité Mixte de Recherche 5509 - PowerPoint PPT Presentation
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
An experimental study of
bypass transition
in plane Couette flow
S. AMALFI, F. LAADHARI & J. F. SCOTTS. AMALFI, F. LAADHARI & J. F. SCOTT
Laboratoire de Mécanique des Fluides et Laboratoire de Mécanique des Fluides et d’Acoustiqued’Acoustique
Unité Mixte de Recherche 5509Unité Mixte de Recherche 550969 134 ECULLY, France69 134 ECULLY, France
Euromech 10 th European Turbulence Conference
29 June – 2 July 2004, Trondheim, Norway
22
Introduction
• Plane Couette flow (PCF) is of particular interest :
simplicity of the basic flow and the absence of linear instability.
• The aim of the present study : investigate such a scenario in PCF introducing Counter rotating pairs of streamwise vortices based on optimal criteria.