NOISE REDUCER FOR A WIND TURBINE ROTOR BLADE HAVING A CAMBERED SERRATION

摘要

A rotor blade assembly (100) for a wind turbine (10) includes a rotor blade (10) having surfaces defining a pressure side (22), a suction side (24), a leading edge (26), and a trailing edge (28) extending between a blade tip (32) and a blade root (34). The rotor blade assembly (100) also includes at least one noise reducer (102) adjacent to the trailing edge (28). The noise reducer(s) (102) includes at least one serration (104) extending beyond the trailing edge (28) in a chord-wise direction of the rotor blade (16). The serration(s) (104) also includes a suction side surface (108) and a pressure side surface (110). The suction side surface (108) defines a first radius of curvature (116) in the chord-wise direction and the pressure side surface (110) defines a second radius of curvature (118) in the chord-wise direction. Further, the first radius of curvature (116) may be larger than the second radius of curvature (118) such that the suction side surface (108) is flatter than the pressure side surface (110) or vice versa.