Abstract: Aspects of the disclosure generally relate to at least one device for heat transfer or dissipation. The at least one device for heat transfer or dissipation can include an air-to-air heat exchanger. The air-to-air heat exchanger can include an air flow inlet and various slots to establish a flow-through air path.

Abstract: A liquid cooling module for cooling an electronic component includes a housing supporting the electronic component, where the housing includes a cavity containing a cooling liquid. A liquid flow channel can be in fluid communication with the cavity and define a liquid cooling loop. A cold plate supporting the housing can have a cooling channel thermally coupled to the liquid flow channel.

Abstract: A heat exchanger for cooling a component includes a heat transfer chamber containing a heated substance having a first density and a liquid coolant having a second density. The heat exchanger can also include a circulation circuit that recirculates the heated substance through the heat transfer chamber for mixing with the liquid coolant.

Abstract: A heat dissipating assembly includes a substrate configured to support at least one heat producing component and a thermally conductive cooling fin extending from the substrate, wherein heat is conducted away from the heat producing component.

Abstract: An air agitator assembly for use with a heat-emitting object, where the air agitator assembly includes a perforated flexible plate confronting and spaced from a portion of the heat-emitting object to define an air space there between and at least one piezoelectric structure located on the perforated flexible plate and operably coupled to a power source.

Abstract: A power electronic conversion system includes a first electronic component that generates heat; a mounting plate comprising a horizontal plate and a first vertical riser with vertical configuration, wherein the first vertical riser is configured to mount the first electronic component; a first thermal pad disposed between the first electronic component and the first vertical riser to reduce a contact resistance; and a cold plate coupled to the mounting plate and comprised at least one cooling medium passage defined by a plurality of internal fins.

Abstract: A heat exchanger for cooling an electronic component includes a heat transfer chamber containing a heated substance having a first density and a liquid coolant having a second density. The heat exchanger can also include a circulation circuit that recirculates the heated substance through the heat transfer chamber for mixing with the liquid coolant.

Abstract: A heat exchanger for cooling an electronic component includes a heat transfer chamber containing a heated substance having a first density and a liquid coolant having a second density. The heat exchanger can also include a circulation circuit that recirculates the heated substance through the heat transfer chamber for mixing with the liquid coolant.

Abstract: An air agitator assembly for use with a heat-emitting object having a contour, the air agitator assembly including a perforated flexible structure having a thermally absorbing first side confronting and spaced from a portion of the heat-emitting object to define an air space there between and a second side opposite the first side and where at least a portion of the first side of the perforated flexible structure has a contour that matches a contour of a corresponding portion of the heat-emitting object.

Abstract: A method of fabricating an object by additive manufacturing is provided. The method includes irradiating a portion of powder in a powder bed, the irradiation creating an ion channel extending to the powder. The method also includes applying electrical energy to the ion channel, wherein the electrical energy is transmitted through the ion channel to the powder in the powder bed, and energy from the irradiation and the electrical energy each contribute to melting or sintering the portion of the powder in the powder bed.

Abstract: An exhaust section for an aircraft gas turbine engine includes an exhaust nozzle in a downstream serial flow relationship with the gas turbine engine having a fan section, a compressor section, a combustion section, a turbine section, and an exhaust section. The compressor section compresses intake air from the fan section, which is mixed with fuel and combusted into hot gases in the combustion section. The hot gases drive the turbines of the turbine section, and are expelled from the gas turbine engine at the exhaust section.

Abstract: An air agitator assembly for use with a heat-emitting object having a contour, the air agitator assembly including a perforated flexible structure having a thermally absorbing first side confronting and spaced from a portion of the heat-emitting object to define an air space there between and a second side opposite the first side and where at least a portion of the first side of the perforated flexible structure has a contour that matches a contour of a corresponding portion of the heat-emitting object.

Abstract: A liquid cooling circuit includes a liquid reservoir for coolant, a heat-generating module, a conduit fluidly coupling the heat-generating module with the liquid reservoir, and a pump configured to move the coolant through the conduit to cool the heat-generating module. The liquid cooling circuit is configured such that the movement of the coolant relative to the heat-generating module transfers heat from the heat-generating module to the coolant.

Abstract: An air agitator assembly for use with a heat-emitting object having a contour, the air agitator assembly including a perforated flexible structure having a thermally absorbing first side confronting and spaced from a portion of the heat-emitting object to define an air space there between and a second side opposite the first side and where at least a portion of the first side of the perforated flexible structure has a contour that matches a contour of a corresponding portion of the heat-emitting object.

Abstract: A method and apparatus for heat-dissipation utilizing a fin assembly including one or more fins organized on a wall or base surface. The fins can extend into a flow of fluid passing along the wall or base surface to convectively cool the fins, which can transfer heat from heat-producing components, such as electronics.

Abstract: A circular heatsink can include a thermally conductive cylinder with an outer circumferential surface and an inner circumferential surface. An emissive and convective and convective surface area can extend radially from the outer circumferential surface. At least one thermally conductive ledge can extend from the inner circumferential surface and be configured to support a planar substrate having heat-generating electrical components. Air flow over the emissive and convective surface area can cause thermal conduction away from the heat-generating electrical components and through the at least one thermally conductive ledge, the thermally conductive cylinder, and the emissive and convective surface area.

Abstract: A heat sink assembly for use with at least one heat-emitting component where the heat sink assembly includes a first phase change material conductively coupled to the at least one heat-emitting component and changing phase at a first temperature and a second phase change material conductively coupled to the first phase change material and changing phase at a second temperature, which is greater than the first temperature.

Abstract: An airflow generator (10) having a first plate (12), a second plate (14) where the second plate (14) is spaced from the first plate (12) to define a cavity (28) there between, a joint (30) operably coupled to the first plate (12) and the second plate (14) and joining them together, piezoelectrics (34) located on each of the first plate (12) and the second plate (14) wherein actuation of the piezoelectrics (34) results in movement of the first plate (12) and the second plate (14) to increase the volume of the cavity (28) to draw air in (200) and then decrease the volume of the cavity (28) to push out the drawn in air (202).

Abstract: An electrical generator for an aircraft includes a gas turbine engine having an exhaust section defining an exhaust cavity through which combustion exhaust gases are emitted in a direction defining an exhaust vector, and a magnetohydrodynamic generator having a magnetic field generator forming a magnetic field having at least some magnetic field lines perpendicular to the exhaust vector, and at least one electrode pair, comprising at least one positive electrode and at least one negative electrode, arranged relative to the exhaust section wherein movement of charged particles entrained in the exhaust gas along the exhaust vector generates a DC power output at the at least one electrode pair.

Abstract: A mechanical fastener includes an elongated body having an outer surface, and inner surface, a first closed end, and a second closed end, and a mechanical fastener interface provided on the outer surface, such that the mechanical fastener transfers heat away from at least one of the first or second ends.