Application of a 3D unsteady surface panel method with flow separation model to horizontal axis wind turbines

作者：Prasad Chandra Shekhar; Dimitriadis Grigorios^*

来源：Journal of Wind Engineering and Industrial Aerodynamics, 2017, 166: 74-89.

DOI：10.1016/j.jweia.2017.04.005

• Horizontal axis wind turbines (HAWT)
• Surface panel method
• Separated flow
• Viscous-inviscid coupling
• Boundary layer method
• Unsteady aerodynamics

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.

• 出版日期2017-7