摘要:
A composite interface and methods of fabrication are provided for coupling a cooling assembly to an electronic device. The interface includes a plurality of thermally conductive wires formed of a first material having a first thermal conductivity, and a thermal interface material at least partially surrounding the wires. The interface material, which thermally interfaces the cooling assembly to a surface to be cooled of the electronic device, is a second material having a second thermal conductivity, wherein the first thermal conductivity is greater than the second thermal conductivity. At least some wires reside partially over a first region of higher heat flux and extend partially over a second region of lower heat flux, wherein the first and second regions are different regions of the surface to be cooled. These wires function as thermal spreaders facilitating heat transfer from the surface to be cooled to the cooling assembly.
摘要:
A composite interface and methods of fabrication are provided for coupling a cooling assembly to an electronic device. The interface includes a plurality of thermally conductive wires formed of a first material having a first thermal conductivity, and a thermal interface material at least partially surrounding the wires. The interface material, which thermally interfaces the cooling assembly to a surface to be cooled of the electronic device, is a second material having a second thermal conductivity, wherein the first thermal conductivity is greater than the second thermal conductivity. At least some wires reside partially over a first region of higher heat flux and extend partially over a second region of lower heat flux, wherein the first and second regions are different regions of the surface to be cooled. These wires function as thermal spreaders facilitating heat transfer from the surface to be cooled to the cooling assembly.
摘要:
A vapor condenser is provided which includes a three-dimensional folded structure which defines, at least in part, a set of coolant-carrying channels and a set of vapor condensing channels, with the coolant-carrying channels being interleaved with and extending parallel to the vapor condensing channels. The folded structure includes a thermally conductive sheet with multiple folds in the sheet. One side of the sheet is a vapor condensing surface, and the opposite side of the sheet is a coolant-cooled surface, with at least a portion of the coolant-cooled surface defining the coolant-carrying channels, and being in contact with coolant within the coolant-carrying channels. The vapor condenser further includes, in one embodiment, a top plate, and first and second end manifolds which are coupled to opposite ends of the folded structure and in fluid communication with the coolant-carrying channels to facilitate flow of coolant through the coolant-carrying channels.
摘要:
A cooling apparatus and method of fabrication are provided for facilitating removal of heat from a heat-generating electronic device. The method of fabrication includes: obtaining a solder material; disposing the solder material on a surface to be cooled; and reflowing and shaping the solder material disposed on the surface to be cooled to configure the solder material as a base with a plurality of fins extending therefrom. In addition to being in situ-configured on the surface to be cooled, the base is simultaneously metallurgically bonded to the surface to be cooled. The solder material, configured as the base with a plurality of fins extending therefrom, is a single, monolithic structure thermally attached to the surface to be cooled via the metallurgical bonding thereof to the surface to be cooled.
摘要:
A cooled electronic module and method of fabrication are provided employing a cooling apparatus for removing heat from one or more electronic devices disposed on a substrate. The cooling apparatus includes a supply manifold structure having a plurality of inlet orifices for injecting coolant onto a surface to be cooled, and a return manifold structure. The return manifold structure, which is fabricated of a thermally conductive material, has a base surface sealed to the surface to be cooled along a periphery thereof employing a thermally conductive, coolant-tight seal. The return manifold structure provides at least one return passageway for exhausting coolant after impinging on the surface to be cooled, wherein coolant exhausting through the at least one passageway cools the return manifold structure, thereby facilitating further cooling of the surface to be cooled in a region where the base surface is sealed to the surface to be cooled.
摘要:
A hybrid cooling system and method of fabrication are provided for a multi-component electronics system. The cooling system includes an air moving device for establishing air flow across at least one primary and at least one secondary heat generating component to be cooled; and a liquid-based cooling subsystem including at least one cold plate, physically coupled to the at least one primary heat generating component, and a thermally conductive coolant-carrying tube in fluid communication with the at least one cold plate. A thermally conductive auxiliary structure is coupled to the coolant-carrying tube and includes a plurality of thermally conductive fins extending from a surface thereof. The plurality of thermally conductive fins are disposed at least partially over the at least one secondary heat generating component to be cooled, and provide supplemental cooling of at least a portion of the air flow established across the multiple components of the electronics system.
摘要:
A conductive heat transport cooling system and method are provided for cooling primary and secondary heat generating components of an electronics system. The cooling system includes a liquid-based cooling subsystem including at least one liquid-cooled cold plate physically coupled to at least one primary heat generating component of the electronics system, and a thermally conductive coolant-carrying tube coupled to and in fluid communication with the at least one liquid-cooled cold plate. A thermally conductive auxiliary structure is coupled to the coolant-carrying tube and to at least one secondary heat generating component of the electronics system. When in use, the thermally conductive auxiliary structure provides conductive heat transport from the at least one secondary heat generating component to the at least one thermally conductive coolant-carrying tube coupled thereto, and hence via convection to liquid coolant passing therethrough.
摘要:
A system for cooling an electronics system is provided. The cooling system includes a monolithic structure preconfigured for cooling multiple electronic components of the electronics system when coupled thereto. The monolithic structure includes multiple liquid-cooled cold plates configured and disposed in spaced relation to couple to respective electronic components; a plurality of coolant-carrying tubes metallurgically bonded in fluid communication with the multiple liquid-cooled cold plates, and a liquid-coolant header subassembly metallurgically bonded in fluid communication with multiple coolant-carrying tubes. The header subassembly includes a coolant supply header metallurgically bonded to coolant supply tubes and a coolant return header metallurgically bonded to coolant return tubes. When in use, the multiple liquid-cooled cold plates engage respective electronic components of the electronics system, and liquid coolant is distributed through the liquid-coolant header subassembly and plurality of coolant-carrying tubes to the cold plates for removal of heat generated by the respective electronic components.
摘要:
A coolant flow drive apparatus is provided for facilitating removal of heat from a cooling structure coupled to a heat generating electronics component. The coolant flow drive apparatus includes a turbine in fluid communication with a primary coolant flowing within a primary coolant flow loop, and a pump in fluid communication with a secondary coolant within a secondary coolant flow path. The secondary fluid flow path is separate from the primary coolant flow path. The flow drive apparatus further includes a magnetic coupling between the turbine and the pump, wherein the turbine drives the pump through the magnetic coupling to pump secondary coolant through the secondary coolant flow path.
摘要:
A cooling approach is provided for cooling an electronics subsystem, such as an electronics rack. The cooling approach includes a coolant conditioning unit and a thermal capacitor unit. The coolant conditioning unit has a heat exchanger, a first cooling loop and a second cooling loop. The first cooling loop receives facility coolant from a facility coolant source and passes at least a portion thereof to the heat exchanger. The second cooling loop provides system coolant to the electronics subsystem, and expels heat in the heat exchanger from the electronics subsystem to the facility coolant in the first cooling loop. The thermal capacitor unit is in fluid communication with the second cooling loop to maintain temperature of the system coolant within a defined range for a period of time upon shutdown or failure of the facility coolant in the first cooling loop, thereby allowing continued operation of the electronics subsystem.