Professor J.
Fabre L.
Masbernat C.
Suzanne ABSTRACT This study gives a kinematic description of stratified gas-liquid flow in a horizontal or weakly inclined channel of rectangular cross-section and displays some specific behaviour occurring in wavy flows. Systematic measurements of the components of the mean velocities and Reynolds stresses are performed under careful controlled inlet conditions. The experimental data show an important mean secondary flow in the cross-section; the existence of transverse motion is also proved by the non-linearity of the shear stress profiles. In addition, the asymptotic behaviour of the mean velocity and Reynolds stress components near the wall and near the interface is also observed.
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