Abstract: Techniques for operating a data center include providing at least one fan coil unit operable to circulate a cooling airflow to a human-occupiable workspace of the data center; providing a plurality of computer racks arranged in one or more rows in the human-occupiable workspace; forming one or more warm air aisles between the one or more rows of the plurality of computer racks that are in fluid communication with an inlet of the fan coil unit through a warm air plenum, and also with an outlet of the fan coil unit through the human-occupiable workspace and the plurality of computer racks arranged in one or more rows; adjusting the associated electrical power density of one or more of the plurality of computer racks; and based on the adjustment, adjusting a characteristic of the data center.

Abstract: Techniques for operating a data center include providing at least one fan coil unit operable to circulate a cooling airflow to a human-occupiable workspace of the data center; providing a plurality of computer racks arranged in one or more rows in the human-occupiable workspace; forming one or more warm air aisles between the one or more rows of the plurality of computer racks that are in fluid communication with an inlet of the fan coil unit through a warm air plenum, and also with an outlet of the fan coil unit through the human-occupiable workspace and the plurality of computer racks arranged in one or more rows; adjusting the associated electrical power density of one or more of the plurality of computer racks; and based on the adjustment, adjusting a characteristic of the data center.

Abstract: Techniques for cooling a data center include circulating an airflow, to a warm air plenum of a first module, from rows of racks that support a heat-generating electronic devices; warming the airflow circulated through the racks; circulating the warmed airflow through a warm air inlet of the warm air plenum that is adjacent an open side of the racks and to a warmed air outlet adjacent a data center volume above the racks; circulating the airflow, with a fan positioned in a second module positioned in the data center volume above the racks, through at least one cooling module to cool the warmed airflow, and into a human-occupiable workspace of the data center adjacent the racks; and diverting the warmed airflow with an airflow partition mounted in the data center volume above the racks and adjusted to interrupt the warmed airflow between the warmed air plenum and the human-occupiable workspace.

Abstract: Methods, systems, and apparatus, including for back-up power sources. In one aspect, a method includes providing a plurality of first battery devices, each first battery device respectively electrically coupled to a respective server rack in a plurality of server racks and having a respective capacity to provide power to the respective rack for a power anomaly for up to a first duration. Providing a second battery device electrically coupled to the plurality of server racks and having a capacity to provide power to the plurality of respective server racks for a power anomaly for up to a second duration, wherein the second duration is longer than the first duration. A power anomaly is a deviation of mains power from one or more of a nominal supply voltage and frequency.

Abstract: A data center cooling system includes an outer container that defines a first volume; an inner container that defines a second volume and is positioned within the first volume, the inner container including an air outlet that includes an airflow path between the first and second volumes; a liquid seal to fluidly isolate a liquid phase of a non-conductive coolant that fills at least a portion of the first and second volumes from an ambient environment; and a plurality of electronic heat-generating devices at least partially immersed in the liquid phase of the non-conductive coolant to transfer a heat load to the non-conductive coolant.

Abstract: An information technology (IT) equipment positioning system comprises a plurality of wireless transponders distributed in multiple locations in the data center and a controller. The controller is adapted to operate the transponders using triangulation to identify and detect positioning according to three-dimensional coordinates for wireless-tagged IT equipment located in the data center.

Abstract: Methods, systems, and apparatus, including for back-up power sources. In one aspect, a method includes providing a plurality of first battery devices, each first battery device respectively electrically coupled to a respective server rack in a plurality of server racks and having a respective capacity to provide power to the respective rack for a power anomaly for up to a first duration. Providing a second battery device electrically coupled to the plurality of server racks and having a capacity to provide power to the plurality of respective server racks for a power anomaly for up to a second duration, wherein the second duration is longer than the first duration. A power anomaly is a deviation of mains power from one or more of a nominal supply voltage and frequency.

Abstract: Techniques for providing power to a data center includes transferring heat from a computer data center to warm a fluid stored within an energy regeneration system; circulating the warmed fluid to a flow of compressed gas stored within the energy regeneration system during a discharging process that expands the compressed gas; generating energy with the energy generation system from the discharging process; and providing at least a portion of the generated energy to the computer data center as electrical power.

Abstract: Methods, systems, and apparatus, including for back-up power sources. In one aspect, a method includes providing a plurality of first battery devices, each first battery device respectively electrically coupled to a respective server rack in a plurality of server racks and having a respective capacity to provide power to the respective rack for a power anomaly for up to a first duration. Providing a second battery device electrically coupled to the plurality of server racks and having a capacity to provide power to the plurality of respective server racks for a power anomaly for up to a second duration, wherein the second duration is longer than the first duration. A power anomaly is a deviation of mains power from one or more of a nominal supply voltage and frequency.

Abstract: Techniques for operating a data center include providing at least one fan coil unit operable to circulate a cooling airflow to a human-occupiable workspace of the data center; providing a plurality of computer racks arranged in one or more rows in the human-occupiable workspace; forming one or more warm air aisles between the one or more rows of the plurality of computer racks that are in fluid communication with an inlet of the fan coil unit through a warm air plenum, and also with an outlet of the fan coil unit through the human-occupiable workspace and the plurality of computer racks arranged in one or more rows; adjusting the associated electrical power density of one or more of the plurality of computer racks; and based on the adjustment, adjusting a characteristic of the data center.

Abstract: Techniques for cooling a data center include circulating an airflow, to a warm air plenum of a first module, from rows of racks that support a heat-generating electronic devices; warming the airflow circulated through the racks; circulating the warmed airflow through a warm air inlet of the warm air plenum that is adjacent an open side of the racks and to a warmed air outlet adjacent a data center volume above the racks; circulating the airflow, with a fan positioned in a second module positioned in the data center volume above the racks, through at least one cooling module to cool the warmed airflow, and into a human-occupiable workspace of the data center adjacent the racks; and diverting the warmed airflow with an airflow partition mounted in the data center volume above the racks and adjusted to interrupt the warmed airflow between the warmed air plenum and the human-occupiable workspace.

Abstract: A system for providing cooled air to electronic equipment includes a cooling system arranged to provide cooling for computer systems in a data center that generate heat from electrical usage; one or more sensors for sensing an environmental condition near the data center; and a central control system programmed to allocate future compute demand for the data center as a function of the sensed environmental condition.

Abstract: A method for providing for conditioning of a computer data center includes supplying a working fluid from a common fluid plane to a plurality of power/cooling units distributed across a data center facility in proximity to electronic equipment that is distributed across the data center facility; converting the working fluid into electric power and cooling capacity at each of the plurality of power/cooling units; and supplying the electric power to a common electric power plane serving a plurality of racks of the electronic equipment in the data center facility and being served by a plurality of the power/cooling units in the data center facility, wherein the common fluid plane serves at least 10 percent of the power/cooling units in the data center facility and the common electric power plane serves at most 5 percent of the electronic equipment in the data center facility.

Abstract: Techniques for cooling a data center include circulating an airflow, to a warm air plenum of a first module, from rows of racks that support a heat-generating electronic devices; warming the airflow circulated through the racks; circulating the warmed airflow through a warm air inlet of the warm air plenum that is adjacent an open side of the racks and to a warmed air outlet adjacent a data center volume above the racks; circulating the airflow, with a fan positioned in a second module positioned in the data center volume above the racks, through at least one cooling module to cool the warmed airflow, and into a human-occupiable workspace of the data center adjacent the racks; and diverting the warmed airflow with an airflow partition mounted in the data center volume above the racks and adjusted to interrupt the warmed airflow between the warmed air plenum and the human-occupiable workspace.

Abstract: Techniques for cooling a data center include circulating an airflow, to a warm air plenum of a first module, from rows of racks that support a heat-generating electronic devices; warming the airflow circulated through the racks; circulating the warmed airflow through a warm air inlet of the warm air plenum that is adjacent an open side of the racks and to a warmed air outlet adjacent a data center volume above the racks; circulating the airflow, with a fan positioned in a second module positioned in the data center volume above the racks, through at least one cooling module to cool the warmed airflow, and into a human-occupiable workspace of the data center adjacent the racks; and diverting the warmed airflow with an airflow partition mounted in the data center volume above the racks and adjusted to interrupt the warmed airflow between the warmed air plenum and the human-occupiable workspace.

Abstract: Methods, systems, and apparatus, including for back-up power sources. In one aspect, a method includes providing a plurality of first battery devices, each first battery device respectively electrically coupled to a respective server rack in a plurality of server racks and having a respective capacity to provide power to the respective rack for a power anomaly for up to a first duration. Providing a second battery device electrically coupled to the plurality of server racks and having a capacity to provide power to the plurality of respective server racks for a power anomaly for up to a second duration, wherein the second duration is longer than the first duration. A power anomaly is a deviation of mains power from one or more of a nominal supply voltage and frequency.

Abstract: A data center cooling system includes an outer container that defines a first volume; an inner container that defines a second volume and is positioned within the first volume, the inner container including an air outlet that includes an airflow path between the first and second volumes; a liquid seal to fluidly isolate a liquid phase of a non-conductive coolant that fills at least a portion of the first and second volumes from an ambient environment; and a plurality of electronic heat-generating devices at least partially immersed in the liquid phase of the non-conductive coolant to transfer a heat load to the non-conductive coolant.

Abstract: Techniques for managing power loads of a data center include electrically coupling a data center infrastructure power load and a data center IT power load in a power distribution system having a specified power capacity, the infrastructure power load including a plurality of infrastructure power loads associated with at least one of a data center cooling system, a data center lighting system, or a data center building management system, and the IT power load including a plurality of IT power loads associated with a plurality of rack-mounted computing devices; determining that a predicted amount of the IT power load is about equal to or greater than a threshold power value; throttling the infrastructure power load to reduce a portion of the power capacity used by the infrastructure power load; and based on throttling the infrastructure power load, increasing another portion of the power capacity available to the IT power load.

Abstract: A method for providing for conditioning of a computer data center includes supplying a working fluid from a common fluid plane to a plurality of power/cooling units distributed across a data center facility in proximity to electronic equipment that is distributed across the data center facility; converting the working fluid into electric power and cooling capacity at each of the plurality of power/cooling units; and supplying the electric power to a common electric power plane serving a plurality of racks of the electronic equipment in the data center facility and being served by a plurality of the power/cooling units in the data center facility, wherein the common fluid plane serves at least 10 percent of the power/cooling units in the data center facility and the common electric power plane serves at most 5 percent of the electronic equipment in the data center facility.

Abstract: Techniques for providing power to a data center includes transferring heat from a computer data center to warm a fluid stored within an energy regeneration system; circulating the warmed fluid to a flow of compressed gas stored within the energy regeneration system during a discharging process that expands the compressed gas; generating energy with the energy generation system from the discharging process; and providing at least a portion of the generated energy to the computer data center as electrical power.