[en] This work describes the development and application of a 3D unsteady surface panel method with a separation model to the problem of simulating the flow around the blades of a horizontal axis wind turbine. The present method is intended as a design tool to capture the 3D time-dependent characteristics of both attached and separated flow conditions and is an extension of previous 2D approaches. Flow separation is modelled using a loose coupling procedure between the inviscid panel method and a quasi-3D viscous boundary layer solution. A separated wake is shed at the predicted separation points and propagated at the local flow velocity, just like the trailing edge wake. The methodology is demonstrated on the NREL phase-VI wind turbine test case and the model predictions are compared to experimental measurements.
Disciplines :
Energy Aerospace & aeronautics engineering
Author, co-author :
Prasad, Chandra Shekhar; Université de Liège - ULiège > Aerospace and Mechanical Engineering Department
Dimitriadis, Grigorios ; Université de Liège > Département d'aérospatiale et mécanique > Interactions Fluide-Structure - Aérodynamique expérimentale
Language :
English
Title :
Application of a 3D unsteady surface panel method with flow separation model to horizontal axis wind turbines
Publication date :
2017
Journal title :
Journal of Wind Engineering and Industrial Aerodynamics
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