Czech Technical University in Prague‏. Department of Technical MathematicsUniversity of Calgary. Schulich School of Engineering. Department of Mechanical and Manufacturing EngineeringAcademy of Sciences of the Czech Republic. Institute of ThermomechanicsVirginia Tech. Aerospace and Ocean Engineering DepartmentFuerst, JiriIslam, MazhuralPříhoda, J.Wood, David H.2015-07-282015-07-282015-06Fuerst, J., Islam, M., Příhoda, J., & Wood, D. H. (2015, June). Modifications of the k-kL-ω transition model based on pohlhausen and falkner-skan profiles. Paper presented at the North American Wind Energy Academy 2015 Symposium, Blacksburg, VA.http://hdl.handle.net/10919/54694We will present novel modifications of the three-equation k-kL-ω eddy viscosity model proposed by Walters and Cokljat [1] for the adverse pressure gradient flows that occur on wind turbine blades and airfoils. The original model was based on the k-ω framework with an additional transport equation for laminar kinetic energy which allows the prediction of natural or bypass laminar-turbulent transitions. The model uses only local information and is, therefore, easily implemented in modern CFD codes including Fluent and OpenFOAM. The original model shows very good agreement with experimental data for zero pressure gradient flows (see e.g. [1]) but it delays the transition for adverse pressure gradient flows at low free-stream turbulence levels [2]. Both stability analysis and experiments show that the pressure gradient has a big influence on transition [3].18 pagesapplication/pdfen-USIn CopyrightPresentationFuerst, JiriIslam, MazhuralPříhoda, J.Wood, David H.