Abstract
The two-dimensional incompressible separated flow downstream of a rearward-facing step is investigated analytically. An emphasis is given to the prediction of flow characteristics in the close region of reattachment and the redeveloping boundary layer downstream of reattachment. The streamwise pressure distribution up- and downstream of reattachment point is predicted confirming the similarity and verified by experimental data. The reattachment length and dividing streamline reattachment angles of turbulent flow are determined in agreement with experimental data. The redeveloping velocity profile downstream of reattachment from its reattachment velocity profile which is similar to that of laminar separation, slowly approaches to the turbulent boundary layer far downstream. Such redeveloping velocity profile is presented by modifying Coles' wall and wake law.
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