Abstract

This paper presents an experimental study of reverse transition in a turbulent boundary layer along a corner of contraction of rectangular section. The reverse transition was examined by consideration of the velocity distribution and the contours of axial mean velocity and turbulent intensity. It is found that a turbulent corner flow reverses to laminar in the presence of favourable pressure gradient and the well-known secondary flow of second kind generated in a corner region disappears during the reverse transition process.

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