Abstract: A computing system includes a housing, processing circuitry, one or more additional components, and a cryogen evaporator plate. The housing includes a cryogen input port, a cryogen output port, and an interior chamber. The processing circuitry and the one or more additional components are in the interior chamber of the housing. The cryogen evaporator plate is thermally coupled to the processing circuitry and configured to receive a cryogen via the cryogen input port, cool the processing circuitry using the cryogen such that the cryogen is evaporated during the cooling of the processing circuitry to provide evaporated cryogen, and provide the evaporated cryogen into the interior chamber of the housing such that the evaporated cryogen is distributed over the one or more additional components to cool the one or more additional components.

Abstract: Fuel cell systems configured for efficient byproduct recovery and reuse are disclosed herein. In one embodiment, a fuel cell system includes a reformer configured to reform a fuel containing methane (CH4) with steam to produce a reformed fuel having methane (CH4), carbon monoxide (CO), and hydrogen (H2). The fuel cell system also includes a fuel cell configured to perform an electrochemical reaction between a first portion of the reformed fuel and oxygen (O2) to produce electricity and an exhaust having carbon dioxide (CO2), water (H2O), and a second portion of the reformed fuel. The fuel cell system further includes an oxygen enricher configured to generate an oxygen enriched gas and a combustion chamber configured to combust the second portion of the reformed fuel with the oxygen enriched gas.

Abstract: Techniques of deploying fuel cells in a facility are described herein. In one embodiment, a method includes identifying a location of the receptacle at the facility that the fuel cell is connected upon detecting the fuel connector of the second side of the carrier being coupled to a fuel port at a receptacle at the facility. The method can then include generating and storing, in a database, a fuel cell record indicating that the fuel cell is physically connected to the receptacle at the identified location in the facility and instructing a control device in the facility corresponding to the identified location to provide fuel to the fuel cell via the fuel port, the fuel connector, the connection between the first side and the second side of the carrier, and the fuel inlet of the fuel cell.

Abstract: A motherboard assembly comprises a motherboard, a first computing component attached to the motherboard, and a coolant container attached to the motherboard. An air-cooled heat sink is attached to the coolant container. The coolant container, the heat sink, and the motherboard form a hermetically sealed enclosure that encompasses the first computing component and that is configured to retain dielectric working fluid covering the first computing component. The heat sink is positioned to condense vapors formed from boiling of the dielectric working fluid and to cause condensed dielectric working fluid to return to a pool of the dielectric working fluid that comprises the first computing component. The motherboard assembly additionally comprises a second computing component attached to the motherboard and positioned outside of the hermetically sealed enclosure.

Abstract: An immersion cooling system includes an immersion tank that is configured to retain dielectric working fluid and to hold a plurality of computing devices submerged in the dielectric working fluid. The immersion cooling system also includes a condenser that is configured to cause condensation of vaporized working fluid. The immersion cooling system also includes a subcooling heat exchanger that is in fluid communication with a coolant source. The coolant source provides coolant having a coolant temperature that is lower than a boiling point of the dielectric working fluid. The subcooling heat exchanger is positioned so that heat transfer can occur between the dielectric working fluid and the subcooling heat exchanger. The immersion cooling system also includes a control system that controls how much of the coolant flows into the subcooling heat exchanger based at least in part on a temperature of the dielectric working fluid.

Abstract: Techniques of deploying fuel cells in a facility are described herein. In one embodiment, a method includes identifying a location of the receptacle at the facility that the fuel cell is connected upon detecting the fuel connector of the second side of the carrier being coupled to a fuel port at a receptacle at the facility. The method can then include generating and storing, in a database, a fuel cell record indicating that the fuel cell is physically connected to the receptacle at the identified location in the facility and instructing a control device in the facility corresponding to the identified location to provide fuel to the fuel cell via the fuel port, the fuel connector, the connection between the first side and the second side of the carrier, and the fuel inlet of the fuel cell.

Abstract: The discussion relates to cooling computing devices and specifically to managing two-phase cooling. One example can include a two-phase liquid immersion tank containing heat generating components and a liquid phase of a coolant having a boiling point within an operating temperature range of the heat generating components. The example can also include a stratification chamber fluidly coupled to the liquid immersion tank and configured to at least partially separate a gas phase of the coolant from other gases. The example can further include a condenser chamber fluidly coupled to the stratification chamber and configured to receive the gas phase of the coolant and cause the gas phase of the coolant to phase change back into the liquid phase of the coolant.

Abstract: The embodiments described herein are directed to a fiber optic cable and a fiber optic adapter housing. The cable comprises a connector body that houses a plurality of fiber portions. The connector body has a face comprising a plurality of rows of apertures for exposing respective ends of the fiber portions. Each aperture of a particular row are diagonally offset from nearest aperture(s) of an adjacent row. The housing comprises first slots having a first orientation and opposing second slots having a second orientation. The first slots are configured for the insertion of cables having the first orientation, and the second slots are configured for the insertion of cables having the second orientation. Such a configuration enables a shuffle function, where a device coupled to a cable inserted into a first slot is communicatively coupled to other devices each connected to a respective cable inserted into a respective second slot.

Abstract: The disclosed technology is generally directed to fuel cells. In one example of the technology, a fuel cell stack that includes an anode and a cathode causes a load to be driven. A control subsystem is measures at least one characteristic associated with the load, and to provide at least one control signal based, at least in part, on the at least one characteristic. An oxidizing agent input subsystem provides an oxidizing agent to the cathode of the fuel cell stack. A fuel input subsystem provides gaseous fuel to the anode of the fuel cell stack. The fuel input subsystem includes a fuel pump that is arranged to pump the gaseous fuel into the fuel input subsystem. A fuel-side high-speed valve adjusts mass flow of the gaseous fuel to the cathode of the fuel cell stack based on at least a first control signal of the at least one control signal.

Abstract: Fuel cell systems configured for efficient byproduct recovery and reuse are disclosed herein. In one embodiment, a fuel cell system includes a reformer configured to reform a fuel containing methane (CH4) with steam to produce a reformed fuel having methane (CH4), carbon monoxide (CO), and hydrogen (H2). The fuel cell system also includes a fuel cell configured to perform an electrochemical reaction between a first portion of the reformed fuel and oxygen (O2) to produce electricity and an exhaust having carbon dioxide (CO2), water (H2O), and a second portion of the reformed fuel. The fuel cell system further includes an oxygen enricher configured to generate an oxygen enriched gas and a combustion chamber configured to combust the second portion of the reformed fuel with the oxygen enriched gas.

Abstract: The disclosed technology is generally directed to fuel cells. In one example of the technology, a fuel cell stack that includes an anode and a cathode causes a load to be driven. A control subsystem is measures at least one characteristic associated with the load, and to provide at least one control signal based, at least in part, on the at least one characteristic. An oxidizing agent input subsystem provides an oxidizing agent to the cathode of the fuel cell stack. A fuel input subsystem provides gaseous fuel to the anode of the fuel cell stack. The fuel input subsystem includes a fuel pump that is arranged to pump the gaseous fuel into the fuel input subsystem. A fuel-side high-speed valve adjusts mass flow of the gaseous fuel to the cathode of the fuel cell stack based on at least a first control signal of the at least one control signal.

Abstract: A computing system includes a housing, processing circuitry, one or more additional components, and a cryogen evaporator plate. The housing includes a cryogen input port, a cryogen output port, and an interior chamber. The processing circuitry and the one or more additional components are in the interior chamber of the housing. The cryogen evaporator plate is thermally coupled to the processing circuitry and configured to receive a cryogen via the cryogen input port, cool the processing circuitry using the cryogen such that the cryogen is evaporated during the cooling of the processing circuitry to provide evaporated cryogen, and provide the evaporated cryogen into the interior chamber of the housing such that the evaporated cryogen is distributed over the one or more additional components to cool the one or more additional components.

Abstract: Fuel cell systems configured for efficient byproduct recovery and reuse are disclosed herein. In one embodiment, a fuel cell system includes a reformer configured to reform a fuel containing methane (CH4) with steam to produce a reformed fuel having methane (CH4), carbon monoxide (CO), and hydrogen (H2). The fuel cell system also includes a fuel cell configured to perform an electrochemical reaction between a first portion of the reformed fuel and oxygen (O2) to produce electricity and an exhaust having carbon dioxide (CO2), water (H2O), and a second portion of the reformed fuel. The fuel cell system further includes an oxygen enricher configured to generate an oxygen enriched gas and a combustion chamber configured to combust the second portion of the reformed fuel with the oxygen enriched gas.

Abstract: Immersion cooling enclosures with insulating liners and associated computing facilities are disclosed herein. In one embodiment, an immersion cooling enclosure includes a well formed in a substrate material, a lid in contact with and fastened to the well to enclose an internal space configured to contain a dielectric coolant submerging one or more computing devices in the internal space, and an insulating liner on the internal surfaces of the well. The insulating liner has a first side in contact with the dielectric coolant and a second side in contact with the substrate material of the well. The insulating liner is non-permeable to the dielectric coolant, thereby preventing the dielectric coolant from passing through the insulating liner to the substrate material.

Abstract: Techniques for mitigating loss of vaporized working fluid in a two-phase immersion cooling system may be implemented using one or more supplemental condensers that facilitate condensation of vaporized working fluid when the immersion tank is open, and one or more vapor collection points that are in fluid communication with at least one supplemental condenser. One or more fluid displacement devices may be configured to create suction pressure at the one or more vapor collection points. One or more vents may be positioned in the door. The one or more vents may be configured to permit movement of air from outside the immersion tank into an interior portion of the immersion tank without permitting loss of vaporized working fluid. A directional blowing device may be configured to blow a gaseous substance against a computing device in a downward direction as the computing device is being pulled upward out of the immersion tank.

Abstract: The disclosed technology is generally directed to fuel cells. In one example of the technology, a fuel cell stack that includes an anode and a cathode causes a load to be driven. A control subsystem is measures at least one characteristic associated with the load, and to provide at least one control signal based, at least in part, on the at least one characteristic. An oxidizing agent input subsystem provides an oxidizing agent to the cathode of the fuel cell stack. A fuel input subsystem provides gaseous fuel to the anode of the fuel cell stack. The fuel input subsystem includes a fuel pump that is arranged to pump the gaseous fuel into the fuel input subsystem. A fuel-side high-speed valve adjusts mass flow of the gaseous fuel to the cathode of the fuel cell stack based on at least a first control signal of the at least one control signal.

Abstract: Immersion cooling enclosures with insulating liners and associated computing facilities are disclosed herein. In one embodiment, an immersion cooling enclosure includes a well formed in a substrate material, a lid in contact with and fastened to the well to enclose an internal space configured to contain a dielectric coolant submerging one or more computing devices in the internal space, and an insulating liner on the internal surfaces of the well. The insulating liner has a first side in contact with the dielectric coolant and a second side in contact with the substrate material of the well. The insulating liner is non-permeable to the dielectric coolant, thereby preventing the dielectric coolant from passing through the insulating liner to the substrate material.

Abstract: Techniques of deploying fuel cells in a facility are described herein. In one embodiment, a method includes identifying a location of the receptacle at the facility that the fuel cell is connected upon detecting the fuel connector of the second side of the carrier being coupled to a fuel port at a receptacle at the facility. The method can then include generating and storing, in a database, a fuel cell record indicating that the fuel cell is physically connected to the receptacle at the identified location in the facility and instructing a control device in the facility corresponding to the identified location to provide fuel to the fuel cell via the fuel port, the fuel connector, the connection between the first side and the second side of the carrier, and the fuel inlet of the fuel cell.

Abstract: Immersion cooling enclosures with insulating liners and associated computing facilities are disclosed herein. In one embodiment, an immersion cooling enclosure includes a well formed in a substrate material, a lid in contact with and fastened to the well to enclose an internal space configured to contain a dielectric coolant submerging one or more computing devices in the internal space, and an insulating liner on the internal surfaces of the well. The insulating liner has a first side in contact with the dielectric coolant and a second side in contact with the substrate material of the well. The insulating liner is non-permeable to the dielectric coolant, thereby preventing the dielectric coolant from passing through the insulating liner to the substrate material.

Abstract: Fuel cell systems configured for efficient byproduct recovery and reuse are disclosed herein. In one embodiment, a fuel cell system includes a reformer configured to reform a fuel containing methane (CH4) with steam to produce a reformed fuel having methane (CH4), carbon monoxide (CO), and hydrogen (H2). The fuel cell system also includes a fuel cell configured to perform an electrochemical reaction between a first portion of the reformed fuel and oxygen (O2) to produce electricity and an exhaust having carbon dioxide (CO2), water (H2O), and a second portion of the reformed fuel. The fuel cell system further includes an oxygen enricher configured to generate an oxygen enriched gas and a combustion chamber configured to combust the second portion of the reformed fuel with the oxygen enriched gas.