A data center (100) includes at least one rack room (in for example module 140) having a floor and a plurality of rack storage areas on the floor, each rack storage area being arranged to accommodate a plurality of racks (143) in which a plurality of rack-mountable electronic components may be house
A data center (100) includes at least one rack room (in for example module 140) having a floor and a plurality of rack storage areas on the floor, each rack storage area being arranged to accommodate a plurality of racks (143) in which a plurality of rack-mountable electronic components may be housed, one or more controllable air circulation systems (in for example module 122), one or more cold aisles (144) in the rack room, each cold aisle being adjacent to a rack storage area, and one or more hot aisles (145) in the rack room, each hot aisle being adjacent to a rack storage area. There may be a large air duct, in the form of a personnel corridor (123), for transporting, under the control of the one or more air circulation systems, cooling air, above the floor, to the one or more cold aisles. The air supply corridor/duct (123) may have a height greater than 1.5 m above the floor and a cross-sectional area of at least 2 m2 and a maximum dimension in the plane of the cross-section of less than 3 m.
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1. A method of cooling racks of items of electronic equipment in a data centre building, wherein the racks of items of electronic equipment are accommodated in a plurality of rack storage areas on a floor in the data centre building, andthe data centre building comprises: a plurality of cold aisles
1. A method of cooling racks of items of electronic equipment in a data centre building, wherein the racks of items of electronic equipment are accommodated in a plurality of rack storage areas on a floor in the data centre building, andthe data centre building comprises: a plurality of cold aisles interleaved between a multiplicity of hot aisles, wherein adjacent hot and cold aisles are separated by at least one rack storage area, andat least one access corridor, wherein the at least one access corridor and the cold aisles facilitate personnel access to the plurality of rack storage areas;said method of cooling comprising the following steps:operating one or more controllable air circulation devices comprising one or more fans, upstream of the racks of items of electronic equipment to cause the transporting of air, via a humidity-based cooling unit, to the cold aisles and thus to the racks of items of electronic equipment, the air comprising one of (a) ambient air from outside the data centre building and (b) ambient air from outside the data centre building and recirculated air;removing the air from the racks of items of electronic equipment; andat least partially exhausting the removed air from the data centre building;and whereinsaid transporting of air to the racks of items of electronic equipment is performed in a manner wherein said air is transported above the floor via the at least one access corridor to the plurality of cold aisles, andsaid transporting of air to the racks of items of electronic equipment and said removing the air from the racks of items of electronic equipment causes air to flow past the items of electronic equipment at a rate high enough to cool the items of electronic equipment. 2. A method according to claim 1, wherein the one or more controllable air circulation devices cause circulation of the air to the rack storage areas under a controlled pressure regime, the pressure regime comprising maintaining differential pressures as between the pressure in a cold aisle and the pressure in a hot aisle, thereby encouraging air flow from the cold aisle to the hot aisle. 3. A method according to claim 1, wherein each rack of items of electronic equipment comprises a multiplicity of slots for housing the items of electronic equipment and the method comprises exhausting air from the data centre building at a rate selected from the group consisting of a) at least 0.00024 m3s−1 per slot and b) at least 0.002 m3s−1 per slot. 4. A method according to claim 1, wherein a refrigerant-based cooling step is not required to cool the items of electronic equipment for at least 97% of the time during which the data centre is operated. 5. A method according to claim 1, wherein the cooling air has a maximum threshold temperature upstream of the racks of items of electronic equipment of 37 degrees Celsius. 6. A method according to claim 1, wherein the at least one access corridor is separate from both the cold aisles and the hot aisles and facilitates personnel access from outside the data centre building to one of the rack storage areas. 7. A method according to claim 1, wherein all the removed air is exhausted to outside the data centre building. 8. A method of cooling items of electronic equipment, wherein the items of electronic equipment are accommodated in racks arranged in a plurality of rows of racks on a floor in a data centre building, said plurality of rows of racks defining a plurality of cold aisles interleaved between a multiplicity of hot aisles, adjacent hot and cold aisles being separated by at least one row of racks, the data centre building including at least one access corridor to the plurality of cold aisles, the at least one access corridor and the cold aisles together providing access to the plurality of rows of racks, andthe data centre building includes an air optimizer system, located upstream of the items of electronic equipment, the air optimizer system comprising one or more fans and a humidity-based cooling unit,said method comprising the steps of: supplying air comprising one of (a) ambient air from outside the data centre building and (b) ambient air from outside the data centre building and recirculated air to the air optimizer system,using the humidity-based cooling unit of the air optimizer system to cool the air,using the one or more fans of the air optimizer system to transport the cooled air from the air optimizer system, above the floor, to the cold aisles, and thus to the items of electronic equipment, at least some of the cooled air being transported above the floor via the at least one access corridor, andat least partially exhausting, from the data centre building, air which has been heated by the items of electronic equipment,whereby the air transported to the cold aisles cools the items of electronic equipment under the control of the air optimizer system. 9. A method according to claim 8, wherein the one or more fans cause circulation of the air to the racks under a controlled pressure regime, the pressure regime comprising maintaining differential pressures as between the pressure in a cold aisle and the pressure in a hot aisle, whereby air flow is encouraged from the cold aisle to the hot aisle. 10. A method according to claim 8, wherein each rack of items of electronic equipment comprises a multiplicity of slots for housing the items of electronic equipment and the method comprises exhausting air from the data centre building at a rate selected from the group consisting of a) at least 0.00024 m3s−1 per slot and b) at least 0.002 m3s−1 per slot. 11. A method according to claim 8, wherein a refrigerant-based cooling step is not required to cool the items of electronic equipment for at least 97% of the time during which the data centre is operated. 12. A method according to claim 8, wherein the cooling air has a maximum threshold temperature upstream of the racks of items of electronic equipment of 37 degrees Celsius. 13. A method according to claim 8, wherein the at least one access corridor is separate from both the cold aisles and the hot aisles and facilitates personnel access from outside the data centre building to at least one of the rows of racks. 14. A method according to claim 8, wherein all the air which has been heated by the items of electronic equipment is exhausted to outside the data centre building. 15. A method of operating a data centre, wherein the data centre comprises a plurality of racks of items of electronic equipment requiring cooling in a plurality of rack storage areas, said plurality or racks so arranged to form a plurality of cold aisles interleaved between a multiplicity of hot aisles, adjacent hot and cold aisles being separated by at least one rack storage area,a floor defining a floor-level beneath the plurality of racks of items of electronic equipment,an access corridor which together with the cold aisles provides access to the plurality of rack storage areas, andan air optimizer system comprising one or more controllable air circulation devices comprising one or more fans, and a humidity-based cooling unit, the air optimizer system being positioned upstream of the racks of items of electronic equipment,wherein the method comprises:a) using the air optimizer system to cool the racks of items of electronic equipment by: i) operating the one or more controllable air circulation devices to transport air along an air flow path which extends from the air optimizer system to the racks of items of electronic equipment, the air comprising one of (a) ambient air from outside the data centre building and (b) ambient air from outside the data centre building and recirculated air, wherein the air flow path is entirely located above floor-level and, for at least 90% of the distance along the air flow path, has a cross-sectional area greater than 2 square meters,ii) cooling the air with the use of the humidity-based cooling unit,iii) removing air from the racks of items of electronic equipment; andiv) at least partially exhausting the removed air from the data centre building; whereby the airA) transported along the air flow path to the racks of items of electronic equipment, andB) removed from the racks of items of electronic equipment is moved at a rate high enough to cool the items of electronic equipment. 16. A method according to claim 15, wherein the air flow path includes at least part of the at least one access corridor. 17. A method of operating a data centre building comprising: using an air optimizer system comprising an adiabatic evaporative cooler to provide conditioned air by adiabatic cooling of air comprising one of (a) ambient air from outside the data centre building and (b) ambient air from outside the data centre building and recirculated air;transporting under the control of the air optimizer system the conditioned air from the air optimiser system to racks of items of electronic equipment arranged in rows on a floor in the data centre building, the air being transported above the floor via an air flow path comprising (i) an air supply corridor and (ii) a cold aisle disposed between two rows of racks of electronic equipment, the air supply corridor and the cold aisle providing personnel access to the two rows of racks of items of electronic equipment;using the conditioned air to cool the items of electronic equipment by causing the conditioned air to flow from the cold aisle to an adjacent hot aisle separated from the cold aisle by one of the rows of racks of items of electronic equipment, the conditioned air absorbing heat from the items of electronic equipment as it flows from the cold aisle to the hot aisle; andexhausting at least some of the heated conditioned air from the data centre building. 18. A method according to claim 17, wherein for at least 90% of the distance along the air flow path, the air flow path has a cross-sectional area greater than 2 square meters. 19. A method according to claim 17, wherein each rack of items of electronic equipment comprises a multiplicity of slots for housing the items of electronic equipment and the method comprises exhausting air from the data centre building at a rate selected from the group consisting of a) at least 0.00024 m3s−1 per slot and b) at least 0.002 m3s−1 per slot.
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이 특허에 인용된 특허 (11)
Noteboom,Scott; Robison,Albert Dell; Suarez,Jesus; Holt,Norman, Cold row encapsulation for server farm cooling system.
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