Computational Analysis of 30 Kw Contra Rotor Wind Turbine

Table 1

CRWT and SRWT model specifications.

Specifications	Primary rotor	Secondary rotor
No.of blades	3	3
Rotor diameter	5.5 m	11 m
Rotor position	Upwind	Downwind
Airfoil	NACA 4415	NACA 0012
Rotation	Clockwise	Counter-Clockwise
Built-in twist (°)	0°	−2°