Journal
ENERGIES
Volume 15, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/en15186533
Keywords
wind turbine wake; large-eddy simulation; turbine parameterization; actuator disk; actuator line; actuator surface
Categories
Funding
- NSFC Basic Science Center Program [11988102]
- National Natural Science Foundation of China [12172360]
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This paper provides a review of existing wind turbine parameterization models, including the actuator disk, actuator line, and actuator surface models, and discusses their fundamental concepts, advanced issues, and applications in wind farms. It emphasizes the predictive capability of different models for different wake characteristics and highlights the importance of considering the effects of nacelle and tower in wind turbine wake predictions.
Wind turbine parameterization models, which are often employed to avoid the computational cost of resolving the blade aerodynamics, are critical for the capability of large-eddy simulation in predicting wind turbine wakes. In this paper, we review the existing wind turbine parameterization models, i.e., the actuator disk model, the actuator line model, and the actuator surface model, by presenting the fundamental concepts, some advanced issues (i.e., the force distribution approaches, the method for velocity sampling, and the tip loss correction), and their applications to utility-scale wind farms. Emphasis is placed on the predictive capability of different parameterizations for different wake characteristics, such as the blade load, the tip vortices and hub vortex in the near wake, and the meandering of the far wake. The literature demonstrated the importance of taking into account the effects of nacelle and tower in wind turbine wake predictions. The predictive capability of the actuator disk model with different model complexities, which is preferred in wind farm simulations, is systematically reviewed for different inflows and different wind turbine designs. Applications to wind farms show good agreements between simulation results and measurements.
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