Figure 26
From: Investigation of the performance of a horizontal-axis dual rotor wind turbine

Power coefficient change with axial distance at TSR of 6, Nratio of 0.3, and Eppler E63 airfoil for rear rotor.
From: Investigation of the performance of a horizontal-axis dual rotor wind turbine

Power coefficient change with axial distance at TSR of 6, Nratio of 0.3, and Eppler E63 airfoil for rear rotor.