Figure 24
From: Investigation of the performance of a horizontal-axis dual rotor wind turbine

Cp versus rotation speed ratio rear (Eppler E63 D 1.8Â m) to front rotor (S826 D 0.9Â m) at various Nratio for CWT.
From: Investigation of the performance of a horizontal-axis dual rotor wind turbine

Cp versus rotation speed ratio rear (Eppler E63 D 1.8Â m) to front rotor (S826 D 0.9Â m) at various Nratio for CWT.