Abstract: A flexible manifold adapted for use on a plate-fin heat exchanger core, the flexible manifold including a plurality of individual layers configured to be metallurgically joined to respective ones of a plurality of layers of the plate-fin heat exchanger core, and further including a first end with at least one port adapted to receive or discharge a medium, a second end distal from the first end, adapted to transfer the medium to or from the plurality of individual layers, a plurality of horizontal guide vanes defining the plurality of individual layers, and a plurality vertical members positioned within each of the individual layers. The flexible manifold is configured to be mechanically and thermally compliant, and can be metallurgically joined to the heat exchanger core by brazing or welding.

Abstract: A method for manufacturing a heat exchanger includes stacking a plurality of parting sheets, a plurality of lengthwise closure bars, and a plurality of widthwise closure bars to form a rectangular first heat exchanger section. The first heat exchanger section includes at least one widthwise passage extending between a pair of the widthwise closure bars and at least one lengthwise passage extending between a pair of the lengthwise closure bars. The method also includes brazing the rectangular first heat exchanger section together and cutting a first side and a second side of the rectangular first heat exchanger section to give the first heat exchanger section a tapered-trapezoid profile. The method further includes brazing an end of a second heat exchanger section to the first or second side of the first heat exchanger section.

Abstract: A method for manufacturing a heat exchanger includes stacking a plurality of parting sheets, a plurality of lengthwise closure bars, and a plurality of widthwise closure bars to form a rectangular first heat exchanger section. The first heat exchanger section includes at least one widthwise passage extending between a pair of the widthwise closure bars and at least one lengthwise passage extending between a pair of the lengthwise closure bars. The method also includes brazing the rectangular first heat exchanger section together and cutting a first side and a second side of the rectangular first heat exchanger section to give the first heat exchanger section a tapered-trapezoid profile. The method further includes brazing an end of a second heat exchanger section to the first or second side of the first heat exchanger section.

Abstract: A method for manufacturing a heat exchanger includes stacking a plurality of parting sheets, a plurality of lengthwise closure bars, and a plurality of widthwise closure bars to form a rectangular first heat exchanger section. The first heat exchanger section includes at least one widthwise passage extending between a pair of the widthwise closure bars and at least one lengthwise passage extending between a pair of the lengthwise closure bars. The method also includes brazing the rectangular first heat exchanger section together and cutting a first side and a second side of the rectangular first heat exchanger section to give the first heat exchanger section a tapered-trapezoid profile. The method further includes brazing an end of a second heat exchanger section to the first or second side of the first heat exchanger section.

Abstract: A method for manufacturing a heat exchanger includes stacking a plurality of parting sheets, a plurality of lengthwise closure bars, and a plurality of widthwise closure bars to form a rectangular first heat exchanger section. The first heat exchanger section includes at least one widthwise passage extending between a pair of the widthwise closure bars and at least one lengthwise passage extending between a pair of the lengthwise closure bars. The method also includes brazing the rectangular first heat exchanger section together and cutting a first side and a second side of the rectangular first heat exchanger section to give the first heat exchanger section a tapered-trapezoid profile. The method further includes brazing an end of a second heat exchanger section to the first or second side of the first heat exchanger section.

Abstract: Aspects include supplying a plurality of nickel-enriched braze powder particles to a cold spray system through a particle supply inlet. The nickel-enriched braze powder particles are accelerated through a transfer tube and out an exit in the transfer tube towards a substrate to produce a braze cold-sprayed substrate. A component surface is positioned proximate to the braze cold-sprayed substrate. The braze cold-sprayed substrate is heated to bond the braze cold-sprayed substrate to the component surface.

Abstract: A method for manufacturing a heat exchanger includes stacking a plurality of parting sheets, a plurality of lengthwise closure bars, and a plurality of widthwise closure bars to form a rectangular first heat exchanger section. The first heat exchanger section includes at least one widthwise passage extending between a pair of the widthwise closure bars and at least one lengthwise passage extending between a pair of the lengthwise closure bars. The method also includes brazing the rectangular first heat exchanger section together and cutting a first side and a second side of the rectangular first heat exchanger section to give the first heat exchanger section a tapered-trapezoid profile. The method further includes brazing an end of a second heat exchanger section to the first or second side of the first heat exchanger section.

Abstract: A heat exchanger core includes a first standard sheet having a first face and a second face opposite of the first face, a second standard sheet opposing the first face of the first standard sheet, a first fin extending between the first standard sheet and the second standard sheet, the first fin defining multiple channels, and a first partial sheet connected to the first face. The first partial sheet is smaller in width and/or height than the first face of the first standard sheet.

Abstract: Aspects include supplying a plurality of nickel-enriched braze powder particles to a cold spray system through a particle supply inlet. The nickel-enriched braze powder particles are accelerated through a transfer tube and out an exit in the transfer tube towards a substrate to produce a braze cold-sprayed substrate. A component surface is positioned proximate to the braze cold-sprayed substrate. The braze cold-sprayed substrate is heated to bond the braze cold-sprayed substrate to the component surface.

Abstract: A heat exchanger core includes a first standard sheet having a first face and a second face opposite of the first face, a second standard sheet opposing the first face of the first standard sheet, a first fin extending between the first standard sheet and the second standard sheet, the first fin defining multiple channels, and a first partial sheet connected to the first face. The first partial sheet is smaller in width and/or height than the first face of the first standard sheet.

Abstract: A method for manufacturing a heat exchanger includes stacking a plurality of parting sheets, a plurality of lengthwise closure bars, and a plurality of widthwise closure bars to form a rectangular first heat exchanger section. The first heat exchanger section includes at least one widthwise passage extending between a pair of the widthwise closure bars and at least one lengthwise passage extending between a pair of the lengthwise closure bars. The method also includes brazing the rectangular first heat exchanger section together and cutting a first side and a second side of the rectangular first heat exchanger section to give the first heat exchanger section a tapered-trapezoid profile. The method further includes brazing an end of a second heat exchanger section to the first or second side of the first heat exchanger section.

Abstract: A heat exchanger tube assembly includes a tube. The tube includes a first end, a second end disposed opposite from the first end, an outer surface, and an inner surface defining an interior space. A plurality of channels are formed within the interior space. A first sleeve is fixed to the outer surface of the tube near the first end and a second sleeve fixed to the outer surface of the tube near the second end.

Abstract: A tap off for use in a mixer comprises a pair of cylindrical portions, with a first cylindrical portion extending in a direction that will be inward toward a mixer when the tap off is mounted on a mixer. The first cylindrical portion defines a first port inlet and communicates into a second cylindrical portion. The second cylindrical portion defines a second inlet port and an outlet port for combining air from both the first inlet and the second inlet port. The first and second cylindrical portions are fixed together. A pair of diverter plates have a face for deflecting air from the second inlet port in the inward direction, and further have a leg extending from the face into the first cylindrical portion. Tabs on the face and legs of both diverter plates extend into slots in the second cylindrical portion. The tabs extends into slots in the first cylindrical portion. A mixer, and an ECS pack are also disclosed.

Abstract: A manifold for a heat exchanger assembly includes a body with a first end disposed opposite a second end, and a top surface disposed opposite a bottom surface. A first side surface extends between the top and bottom surfaces, and a second side surface extends between the top and bottom surfaces opposite the first side surface. A first plurality of chambers is formed in the body with each chamber of the first plurality of chambers being spaced apart from one another between the first end and the second end of the body. A second plurality of chambers is formed in the body with each chamber of the second plurality of chambers being spaced apart from one another between the first end and the second end of the body.

Abstract: A heat exchanger tube assembly includes a tube. The tube includes a first end, a second end disposed opposite from the first end, an outer surface, and an inner surface defining an interior space. A plurality of channels are formed within the interior space. A first sleeve is fixed to the outer surface of the tube near the first end and a second sleeve fixed to the outer surface of the tube near the second end.

Abstract: A manifold for a heat exchanger assembly includes a body with a first end disposed opposite a second end, and a top surface disposed opposite a bottom surface. A first side surface extends between the top and bottom surfaces, and a second side surface extends between the top and bottom surfaces opposite the first side surface. A first plurality of chambers is formed in the body with each chamber of the first plurality of chambers being spaced apart from one another between the first end and the second end of the body. A second plurality of chambers is formed in the body with each chamber of the second plurality of chambers being spaced apart from one another between the first end and the second end of the body.

Abstract: A tap off for use in a mixer comprises a pair of cylindrical portions, with a first cylindrical portion extending in a direction that will be inward toward a mixer when the tap off is mounted on a mixer. The first cylindrical portion defines a first port inlet and communicates into a second cylindrical portion. The second cylindrical portion defines a second inlet port and an outlet port for combining air from both the first inlet and the second inlet port. The first and second cylindrical portions are fixed together. A pair of diverter plates have a face for deflecting air from the second inlet port in the inward direction, and further have a leg extending from the face into the first cylindrical portion. Tabs on the face and legs of both diverter plates extend into slots in the second cylindrical portion. The tabs extends into slots in the first cylindrical portion. A mixer, an air pack and a method are also disclosed.

Abstract: A heat exchanger includes a plurality of mini-channel tubes. The mini-channel tubes extends for an axial length defined between two manifolds. The mini-channel tubes include a plurality of generally rectangular flow passages. The generally rectangular flow passages are aligned adjacent to each other to define a lateral dimension. A first lateral width of the generally rectangular passages is defined with a ratio of the axial length to the first lateral width being between 201.3 and 215.3. An aircraft system is also disclosed.

Abstract: A channel tube includes a body having first and second surfaces extending between first and second opposing ends to define a tube width. The first and second surfaces are separated from each other by a distance defining a tube height. A plurality of ports extend through the body and between the first and second surfaces to define a fluid path extending in a direction of the tube width. Each port defines a plurality of walls and a plurality of ribs having a thermal conductive surface to transfer heat therethrough. A first wall extends in a direction of the tube width. The second wall extends in a direction of the tube width and is disposed opposite the first wall. At least one rib is integrally formed between the first and second walls and extends perpendicular thereto.

Abstract: A heat exchanger includes a plurality of mini-channel tubes. The mini-channel tubes extends for an axial length defined between two manifolds. The mini-channel tubes include a plurality of generally rectangular flow passages. The generally rectangular flow passages are aligned adjacent to each other to define a lateral dimension. A first lateral width of the generally rectangular passages is defined with a ratio of the axial length to the first lateral width being between 201.3 and 215.3. An aircraft system is also disclosed.