Abstract:
The invention regards a plasma-enhanced active laminar flow actuator system (1) adapted to an aerodynamic surface (3) which has a nano- engineered composite material layer(5) comprising a set of electrodes arranged (7', 7'') in at least an upper (P1) and a lower (P2) plane extending parallel with the aerodynamic surface (3); the electrodes (7', 7'') comprising nano filaments (9); the electrodes (7') of the upper plane (P1) are arranged in the aerodynamic surface (3) such that they define a smooth and hard aerodynamic surface (3);conductors (11, 11') of nano filaments (9'') arranged for electrical communication between a control unit (13) and each of the electrodes (7', 7''), wherein the control unit (13) is adapted to address current between cooperating electrodes (7', 7'') of the upper and lower plane (P1, P2) from a current supply depending upon air flow characteristic signals fed from air flow sensor means (19).
Abstract:
The invention regards a de-icing/anti-icing system comprising at least two conductive structures (3', 3") embedded in an article (2), which includes an outer surface (5) being designed as an aerodynamic surface, at least one of the conductive structures (3', 3") is arranged adjacent the outer surface (5), a control unit (39) is adapted to control the energy supply to the conductive structures (3\ 3") for generating heat to the outer surface (5) One conductive structure (3') comprises a first conductive nano structure (19'), the conductive structure's (3') conductive property differs from the conductive property of the other conductive structure (3") comprising a second conductive nano structure (19").
Abstract:
The invention regards a de-icing/anti-icing system comprising at least two conductive structures (3', 3") embedded in an article (2), which includes an outer surface (5) being designed as an aerodynamic surface, at least one of the conductive structures (3'f 3") is arranged adjacent the outer surface (5), a control unit (39) is adapted to control the energy supply to the conductive structures (3', 3") for generating heat to the outer surface (5) One conductive structure (31) comprises a first conductive nano structure (19'), the conductive structure's (3') conductive property differs from the conductive property of the other conductive structure (3") comprising a second conductive nano structure (19").
Abstract:
The invention regards a wind turbine blade comprising an outer surface (11), which serves as an aerodynamic surface when the blade (3, 3', 16) is subjected for an air stream (a), the blade (3, 31, 16) comprises a resin matrix made of a laminate (5) of at least one ply (P1), which comprises said outer surface (11). The outer ply (P1) comprises a nano structure (13) embedded therein in such way that the filaments (13', 13", 13'", 13"") of the nano structure in the ply (P 1) essentially have the same angular orientation relative the plane (P) of the outer surface (11 ).
Abstract:
The invention regards an article comprising an outer surface (11), which serves as an aerodynamic surface when the article (3, 3', 16, 27, 53) is subjected for an air stream (a), the article (3, 3', 16, 27, 53) comprises a resin matrix made of a laminate (5) of at least one piy (P1), which comprises said outer surface (11). The outer ply (P1) comprises a nano structure (13) embedded therein in such way that nano filaments (13', 13", 13'", 13"") of the nano structure in the ply (P1) essentially have the same angular orientation relative the plane (P) of the outer surface (11).
Abstract:
The present invention regards an aircraft article composite forming tool (3) and a method for producing the tool (3), the aircraft article (2) to be formed comprises a composite material including an outer surface (9), the aircraft 5 article composite forming tool (3) comprises a matrix laminate (11) made of at least an upper ply (P1) including a forming surface (7) for forming said aircraft article (2) and outer surface (9). The upper ply (P1) comprises a nano filament structure (15) embedded 10 therein.
Abstract:
The present invention relates to a composite radius filler for use in an aircraft structure (2), which comprises structural composite parts (7) assembled together to form the aircraft structure (2). The composite radius filler (3) is arranged between rounded sections (5', 5") of the structural composite parts (7) for filling a gap (4) formed between the structural composite parts (7). The composite radius filler (3) is made structural by a nanostructure (23) arranged within the composite radius filler (3) for the reinforcement of the interface between the radius filler (3) and the structural composite part (7). The invention also relates to a method for producing an aircraft structure comprising said nano-reinforced radius filler.
Abstract:
The present invention regards a structural article comprising an outer surface (5), which serves as an aerodynamic surface when the structural article (1) is subjected for an air stream, the structural article (1 ) comprises a resin matrix laminate (7) including an upper ply (P1 ) and a bottom ply (P3, P4, P6)$ a heating element (13) is arranged in contact with the bottom ply (P3, P4, P6) and coupled to a power supply unit (45) in purpose to de-ice/anti-ice the outer surface (5). Each ply (P1, P2.... P6) comprises a thermally conductive filament structure (9) having a filament orientation such that the prolongation of the filaments (11 ) has an extension essentially perpendicular to the extension of the laminate (7).
Abstract:
The present invention regards a structural composite part made of pre-impregnated fibre plies (5). The edges (7) of two adjacent fibre plies (5) are connected via a longitudinal composite joint (9) made structural by a nanostructure (41) arranged within the composite joint (9). The invention concerns also a method of producing a structural composite part (11) made of pre-impregnated fibre plies wherein the edges (7) of two adjacent fibre plies (5) are connected via a longitudinal composite joint (9) made structural by a nanostructure (41) and an aircraft structure, such as a wing, comprising such structural composite parts (11).
Abstract:
The present invention regards an aircraft structure comprising structural composite parts (5) assembled together to form said aircraft structure (3); said aircraft structure (3) further comprises a bonding interlayer material provided (17) to bond said structural composite parts (5) to each other. The bonding interlayer material (17) comprises a nanostructure enhanced material (20, 21). The invention also regards a method of producing an aircraft structure of assembled structural composite parts (5), being cured or semi-cured before said assembly.