Transactions of Nanjing University of Aeronautics & Astronautics
Special Issue for Wind Turbine
Large-Eddy Simulation of Wind Turbine Wake and Aerodynamic Performance with Actuator Line Method
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Abstract:
A hybrid method is presented to numerically investigate the wind turbine aerodynamic characteristics. The wind turbine blade is replaced by an actuator line model. Turbulence is treated using a dynamic one-equation sudgrid-scale model in large eddy simulation. Detailed information about the basic characteristics of the wind turbine wake is obtained and discussed. The rotor aerodynamic performance compares well with the measurements. The ALM-LES technique demonstrates its high potential in providing accurate load prediction and high resolution of turbulent fluctuations in the wind turbine wakes and the interactions within a feasible cost.
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