Modelling wakes and blockage i large-scale wind farms

A Review of Renewable Electricity Cost and Capacity Factor Impact on Green Hydrogen Levelized Cost in Off-grid Configuration

“…However, in general, offshore wind farms' performance is affected by wakes and blockage in wind flow direction due to the presence of turbine arrays downstream. The wakes are generated at the downstream region of a turbine, characterized by usually lower wind velocity and turbulent flow; In contrast, in the induction region before the turbine arrays, turbines act as an obstruction, reducing the wind velocity upstream and deflecting flow, known as blockage (Strickland, 2021). Wakes are not just generated within the wind farm; they can also result from neighboring wind farms located directly upstream.…”