Abstract: A wind turbine rotor blade (1) with a blunt, wide and/or cut off trailing edge (15) in a hub region (111), with an air-conducting channel (23) extending radially outward for conducting suctioned air from a suction region (21) to a blow-out region (22) arranged in the blade tip region (113) inside the wind turbine rotor blade (1), wherein and boundary layer suctioning occurs on the top side (13) of the wind turbine rotor blade (1), and a boundary layer fence (28) is provided in the hub region (111) near the hub fastening means (17) in order to prevent a flow in the direction of the hub fastening means (17).

Abstract: The invention relates to a wind turbine rotor blade heating process with a wind turbine rotor blade de-icing system arranged on a rotor blade (11), including modular heating elements (210, 211, 212, 213, 214, 220, 221, 222, 223, 230, 231, 232, 24) driven cyclically, recurring, intermittently and/or continuously, wherein at least one modular heating element (210, 211, 212, 213, 214, 220, 221, 222, 223, 230, 231, 232, 24) is provided with a temperature sensor and/or an electric resistance measuring sensor, with which a continuous measurement of the environment measurement values (U) is carried out and the wind turbine rotor blade de-icing system is activated upon reaching predetermined environmental measurement values (U), wherein upon reaching predetermined environment conditions (U), first, a measurement cycle is started, wherein a modular heating element (210, 211, 212, 213, 214, 220, 221, 222, 223, 230, 231, 232, 24) is driven, of which the temperature profile (f=dt (t)) is measured and compared with a heat

Abstract: A shell component for an aircraft fuselage includes a fuselage skin panel, a plurality of stringers extending in an aircraft lengthwise direction, and a plurality of frames extending crosswise relative to the stringers. The stringers and the frames are respectively welded onto the skin panel with the addition of a weld filler material. Each frame includes a frame root portion and a frame profile portion connected to each other. The frame root portion has cut-out notches receiving the stringers passing therethrough. The frame root portion is welded to the skin panel at the areas between the cut-out notches, and may be welded to the respective stringer in each cut-out notch. The stringers and frames are fabricated from webs and flanges, whereby a premanufactured grid of flanges may be used. The result is a very strong, yet simple shell component structure, that may be manufactured with a simple welding process, at a low cost and with low effort.