| 摘要 |
A wind power installation is described having a flow channel (1) between two channel walls (2), at least one of which forms an outer wall of a structure (3), having at least one wind turbine (8) which is mounted within the flow channel (1) and the rotor axis of which runs transversally with respect to the incident-flow direction (7), and having a guide device (13) which shields the turbine rotor (9) in the area of the circumferential side thereof which rotates against the incident-flow direction (7). In order to allow advantageous flow conditions, it is proposed that a guide device (13) in each case be provided in front of and behind the turbine rotor (9) in the incident-flow direction (7), which guide device (13) comprises two guide walls (13) which extend over the axial rotor length, are opposite one another with respect to a plane running through the rotor axis in the incident-flow direction (7), and are mounted on the end face thereof which is remote from the wind turbine (8) such that they can pivot about axes (15), which are parallel to the rotor axis, between an initial position, which releases the flow path in the area thereof, and a final position, which blocks this flow path. |
