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LOCAL STRUCTURE OF THE GAS-LIQUID FLOW IN HORIZONTAL CORRUGATED CHANNELS - FLOW PATTERNS AND WALL SHEAR STRESS

DOI: 10.1615/ICHMT.1996.TransientConvHeatTransf.390

Michel Gradeck
Université de Lorraine, CNRS, LEMTA, 54000 Nancy, France

Michel Lebouche
Laboratoire d'Energetique et de Mecanique Theorique et Appliquee Institut National Polytechnique de Lorraine, Universite Henri Poincare - Nancy I 2, Avenue de la Foret de Haye BP 160, F-54504 Vandoeuvre-les-Nancy Cedex France

Sinopsis

Experiments have been carried out to determine the local structure of the gas-liquid flow in two corrugated channels. First, the different flow patterns were identified using a combination of visual and video observation and have been mapped on a two-dimensional graphic using the superficial velocities. The measurement of the wall shear stress by electrochemical method allowed us to give a fine description of the local two-phase flow structure.

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