| 摘要 |
The rotor blade has a rotor blade root (14) and a rotor blade tip (12) that are provided along longitudinal direction. A central channel (7) is extended in interior of rotor blade in longitudinal direction and is provided with a nose edge side channel (4) and a rear edge-side channel (6) which are separated by a middle wall. A fan (26) is provided to produce the air flow in center channel. A heating device (1) is provided to heat air flow. Several air outlet openings (5) and air inlet openings (24) are provided in central channel at rotor blade nose edge (16). |
