Journal of Flow Visualization and Image Processing

ISSN for PRINT: 1065-3090

For Online Access

Best Paper Award Selection - Editorial Board Site

2001, Volume8

Issue 2-3

110 pages

Issue price - $280.00

Didier Varieras
Centre de Thermique de Lyon, UMR 5008 INSA-UCBL-CNRS, INSA de Lyon, Bat. Sadi Carnot, 69621 Villewbanne cedex, France

Philippe Gervais
Centre de Thermique de Lyon, UMR 5008 INSA-UCBL-CNRS, INSA de Lyon, Bat. Sadi Carnot, 69621 Villewbanne cedex, France

Andre Giovannini
Institut de Mecanique des Fluides de Toulouse, UMR 5502, Universite Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex, France

Jean-Louis Breton
Laboratoire d'Etude des Systemes et de I'Environnement Thermique de I'Homme, Universite Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex, France

Laser tomography and real-time holographic interferometry techniques were associated т order to investigate a laminar slot jet impinging a heatedflatplate. The experimental arrangement allowed to study the overall flow and the fluid temperature fields for various non-dimensional nozzle-to-plate distances (2 < H/e < 8) and Reynolds numbers ranging from 120 to 860. Video cameras were wed to record both dynamical and thermal visualization images. Depending on both geometrical configuration and momentum injection, two different flow regimes were observed in the free-jet region of the flow. Supplementary knowledge was gained from qualitative analysis of the interfero-gram. Fringe pattern processing were performed in order to produce fluid temperature distribution and a quantitative evaluation of the convected beat flux in the vicinity of the impingement plate was made.

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