Figure 21
From: Investigation of the performance of a horizontal-axis dual rotor wind turbine

Dual rotor wind turbine with front rotor (S826, D = 0.9 m) and rear rotor (S826, D = 1.8 m).
From: Investigation of the performance of a horizontal-axis dual rotor wind turbine

Dual rotor wind turbine with front rotor (S826, D = 0.9 m) and rear rotor (S826, D = 1.8 m).