“…The problem of turbulent flow over backward-facing step geometry in natural, forced, and mixed convection has been examined rather extensively in the past (see, for example, Vogel and Eaton [1], Abe et al [2], Rhee and Sung [3], Inagaki [4], and Abu-Mulaweh et al [5][6][7] and the references therein). On the other hand, the problem of turbulent flow over a forward-facing step has received very little attention.…”