Abstract: A handling arrangement for handling a wind turbine rotor blade includes a frame assembly realized to fit about the airfoil of the rotor blade; a number of add-on covers arranged to fit between the frame assembly and the airfoil surface, wherein an add-on cover is shaped to fit around a number of add-ons; and a load-bearing material for filling the add-on cover when the add-on cover is pressed against the rotor blade. A method of handling a wind turbine rotor blade is also provided.

Abstract: A wind turbine blade includes a plurality of add-on elements, which are arranged on an outer surface of the blade, wherein the plurality of add-on elements includes at least one flexible add-on element and at least one stiff add-on element of the same add-on element type, wherein the flexible add-on element is made at least predominantly of an elastic material and the stiff add-on element are made at least predominantly of a stiff material, which is stiffer than the elastic material, wherein the flexible add-on element and the stiff add-on element are arranged offset in span-wise direction and/or in chord-wise direction of the blade.

Abstract: Provided is an arrangement for discharging current due to a lightning stroke at a tip add-on of a rotor blade of a wind turbine, the arrangement including a conductor adapted to conduct the current due to the lightning stroke; an insulation arranged around the conductor, the insulation with the conductor being arrangeable within the tip add-on.

Abstract: Provided is an adaptable spoiler for a wind turbine blade, including: a flexible body including: an outer surface to be exposed to air flow; an internal surface limiting a cavity to be inflated with fluid to different level, wherein a shape and/or position and/or orientation of the surface to be exposed to air flow changes upon inflating the cavity to different level.

Abstract: Provided is an adaptable spoiler for a wind turbine rotor blade, including: a base element adapted to be connected at or integrated with a rotor blade; an airfoil element being attachable to the base element and having an airfoil shaped surface to be exposed to an air flow.

Abstract: A wind turbine includes a blade. The blade includes a blade body; an active member mounted to the blade body and configured to move between a retracted position and an extended position to change an aerodynamic property of the blade; and a bladder which is configured to be connected to a pneumatic or hydraulic system of the wind turbine to move the active member when the bladder is filled by a fluid supplied by the pneumatic or hydraulic system, or when the fluid is removed from the bladder by the pneumatic or hydraulic system. The wind turbine includes a retaining means configured to prevent the active member from moving towards the extended position.

Abstract: A method for fabricating a wind turbine blade shell, wherein the wind turbine blade shell is fabricated in a casting process using a mould and a plurality of shell components, includes the steps of: providing the mould and the plurality of shell components, providing at least one alignment mark at the mould and/or at one or more shell components placed in the mould, providing at least one marker at the position of the at least one alignment mark, and arranging the or further shell components in the mould and casting the wind turbine blade shell.

Abstract: A handling arrangement for handling a wind turbine rotor blade includes a frame assembly realized to fit about the airfoil of the rotor blade; a number of add-on covers arranged to fit between the frame assembly and the airfoil surface, wherein an add-on cover is shaped to fit around a number of add-ons; and a load-bearing material for filling the add-on cover when the add-on cover is pressed against the rotor blade. A method of handling a wind turbine rotor blade is also provided.

Abstract: Provided is an adaptable spoiler for a wind turbine blade, including: a flexible body including: an outer surface to be exposed to air flow; an internal surface limiting a cavity to be inflated with fluid to different level, wherein a shape and/or position and/or orientation of the surface to be exposed to air flow changes upon inflating the cavity to different level.

Abstract: Provided is an adaptable spoiler for a wind turbine rotor blade, including: a base element adapted to be connected at or integrated with a rotor blade; an airfoil element being attachable to the base element and having an airfoil shaped surface to be exposed to an air flow.

Abstract: Provided is a spoiler, in particular adaptable spoiler, for a wind turbine blade including: a main body including an airfoil shaped surface to be exposed to air flow; at least one stiffening element distinct from the main body and supporting the airfoil surface, wherein the stiffening element is in particular configured to enforce the shape of the airfoil surface during loading by wind during operation of the wind turbine.

Abstract: Provided is an arrangement for discharging current due to a lightning stroke at a tip add-on of a rotor blade of a wind turbine, the arrangement including a conductor adapted to conduct the current due to the lightning stroke; an insulation arranged around the conductor, the insulation with the conductor being arrangeable within the tip add-on.

Abstract: An apparatus for generating a flow of reactive gas for decontaminating a material, surface or area, comprises a first electrode member comprising a first plurality of conductive surfaces and a second electrode member comprising a second plurality of conductive surfaces. The second electrode member is arranged in spaced relationship with the first electrode member to define a reactor channel. The conductive surfaces are exposed to the reactor channel so as to form air gaps between the first plurality of conductive surfaces and the second plurality of conductive surfaces. An air blower generates a flow of air through the reactor channel.

Abstract: An apparatus for generating a flow of reactive gas for decontaminating a material, surface or area, comprises a first electrode member comprising a first plurality of conductive surfaces and a second electrode member comprising a second plurality of conductive surfaces. The second electrode member is arranged in spaced relationship with the first electrode member to define a reactor channel. The conductive surfaces are exposed to the reactor channel so as to form air gaps between the first plurality of conductive surfaces and the second plurality of conductive surfaces. An air blower generates a flow of air through the reactor channel.

Abstract: An apparatus for generating a flow of reactive gas for decontaminating a material, surface or area, which comprises a first electrode member comprising a first conductive sheet and a first plurality of conductive pins protruding from a surface of the first conductive sheet and a second electrode member comprising a second conductive sheet and a second plurality of conductive pins protruding from a surface of the second conductive sheet. The second electrode member is arranged in spaced relationship with the first electrode member to define a reactor channel between the first conductive sheet and the second conductive sheet The first plurality of conductive pins protrude within the reactor channel towards the second conductive sheet and the second plurality of conductive pins protrude within the reactor channel towards the first conductive sheet so as to form air gaps between the first plurality of conductive pins and the second plurality of conductive pins.

Abstract: An apparatus for generating a flow of reactive gas for decontaminating a material, surface or area, which comprises a first electrode member comprising a first conductive sheet and a first plurality of conductive pins protruding from a surface of the first conductive sheet and a second electrode member comprising a second conductive sheet and a second plurality of conductive pins protruding from a surface of the second conductive sheet. The second electrode member is arranged in spaced relationship with the first electrode member to define a reactor channel between the first conductive sheet and the second conductive sheet The first plurality of conductive pins protrude within the reactor channel towards the second conductive sheet and the second plurality of conductive pins protrude within the reactor channel towards the first conductive sheet so as to form air gaps between the first plurality of conductive pins and the second plurality of conductive pins.