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Journal of Flow Visualization and Image Processing
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.5

ISSN Imprimir: 1065-3090
ISSN En Línea: 1940-4336

Journal of Flow Visualization and Image Processing

DOI: 10.1615/JFlowVisImageProc.v11.i4.40
11 pages

TWO-DIMENSIONAL POISEUILLE FLOW IN A GROOVED CHANNEL

F. Billy
Laboratoire d'Etudes Aerodynamiques (LEA), UMR CNRS 6609, Blv. Marie & Pierre Curie, B.P. 30179, 86962 Futuroscope Chasseneuil Cedex, France
G. Pineau
Laboratoire d'Etudes Aerodynamiques (LEA), UMR CNRS 6609, Blv. Marie & Pierre Curie, B.P. 30179, 86962 Futuroscope Chasseneuil Cedex, France
L. David
Laboratoire d'Etudes Aerodynamiques (LEA), UMR CNRS 6609, Blv. Marie & Pierre Curie, B.P. 30179, 86962 Futuroscope Chasseneuil Cedex, France
M. Arghir
Laboratoire de Mecanique des Solides (LMS), UMR CNRS 6610, Blv. Marie & Pierre Curie, B.P. 30179, 86962 Futuroscope Chasseneuil Cedex, France

SINOPSIS

This paper describes a Poiseuille flow between two walls, one of which has grooves normal to the streamwise direction. Three Reynolds numbers are studied (Re = 1000, 5000, 10000) and comparisons between visualization and the velocimetry measurements are presented. The visualization is performed by particle-streak visualization and measurement method is Particle Image Velocimetry (P.I. V.). Measurements enabled the detection of coherent structures and the evolution of velocity in the cavities and in the gap. The present study has been developed to demonstrate that it can provide accurate data in micro-grooves for future experiments with a Couette flow.


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