A test of the v 2-f k-epsilon turbulence model for the prediction of vortex shedding in the Francis-99 hydrofoil test case
Journal article, Peer reviewed
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A test of the v 2 − f k − epsilon turbulence model for the flow around the Francis-99 hydrofoil geometry is conducted in order to assess it's accuracy of trailing edge vortex shedding prediction. The model is based on the k − epsilon turbulence model, but needs no wall damping function, and also allows near-wall turbulence anisotropy. For reference, the model results are compared with the the SST k − w, in addition to preliminary experimental results previously published. It is indicated that the v 2 − f k − epsilon model gives at least as good, or better results than the more commonly used SST k − w model for the present case, though further measurements are needed in order to make a proper conclusion.