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When designing the cooling system of modern gas turbines it is important to be able to predict the heat transfer from the hot gas to the walls surrounding the gas path. One flow feature making this rather complicated is the presence of secon-dary, three-dimensional flow structures, often referred to as horse shoe vortices, which greatly enhance the rate of heat transfer to the endwall, especially in the leading edge region. During the last few years the ff turbulence model has become increasingly popular due to its ability to account for near-wall damping without use of ad hoc damping functions. The fi model has also proved to be superior to other RANS methods in many fluid flows where complex flow features are present. In this study numerical simulations of a well documented stator vane passage flow have been performed using different versions of the flffi model. The main objective is to investigate the models ’ ability to predict the secondary fluid motion in the passage between two stator vanes