That embodiment of the present invention are not limited in the following description statement and the in the accompanying drawings structure of illustrational part and the details of arrangement.Embodiment of the present invention can be put into practice or implement in a variety of addition, wording and term are not to be regarded as restriction in order to describe as used herein.” comprise “, ” comprising “, ” having “, ” comprising ” ” relate to ” and the utilization that changes means project and coordinate and the additional project of listing thereafter of data center the inside, the support of electronic equipment is normally embarked on journey and is arranged, cooling-air via raised flooring by the supply of porous floor braw is usually got back to room environment and is got back at last and is positioned at room circumference cooling unit on every side.Another option is directly cooling unit to be positioned at number row’s support the inside or on every side in order to closely coupling is provided between support load and cooling resource, and because all essential coolings are that the part provides, so such design is scalable naturally.Adopt arbitrary architecture, equipment often is arranged in the cold and hot passageway alternately and better separates to impel cold wind supply stream and warm braw to return stream.Equipment arrangement although it is so can be used for more effectively providing cooling for the equipment of data center, but data center manager accurately the cooling performance of determining data center still can cause expensive data center’s overdesign and may cause equipment because overheated breaking down.Disclosed the system and method for the cooling performance that is used for analyzing the data center that number row equipment supporter is arranged for the 11/342nd, No. 300 by quoting the U.S. Patent application of applying for as topic on January 27th, 2006 take ” Methods and Systems for ManagingFacility Power and Cooling ” that is merged in as proof at the application of mentioning, airflow analysis is used for using the cooling performance at some different criterion (comprise and catch index (CI)) assessment data centers.Other criterion discussed herein comprises recycle index (RI), supply heat number (SHI), returns heat number (RHI) and reverse cooling index (RCI).Return heat number (RHI) and supply heat number (SHI) take enthalpy as basis tolerance cold wind supply stream and and warm braw return the separation degree of stream, therefore, take temperature as the basis.Reverse cooling index (RCI) is the tolerance that support various in the data center remains on the degree in the inlet temperature scope of certain the application of mentioning, support catch the percentage that index is defined as being discharged into by support the air that the cooling unit of being indicated border, hot passageway among the hot passageway least one embodiment discussed herein is pointed to and is used for being used for hot passageway and cold system and/or the method for crossing the cooling performance at trace analysis and optimization data center catching the index cold passageway of support is caught index and is defined as in one embodiment (for example originating from local cooling resource, porous floor tile or local cooler) mark of the air that absorbed by support, and hot passageway is caught the air that index is defined as support discharging in one embodiment and is extracted the ratio that thing (for example, local cooler or return air inlet) is caught by this locality. 1 b), may use ” room neutral ” layout strategy, wherein local cooler (or return air inlet) air-flow that is configured to catch most hot support discharging at room temperature or near room temperature offers cold passageway to cooling-air the neutral target in room is achieved, many such groups may launch everywhere in data center, and whole room environment does not have or little almost unclean heating, and all equipment entrances will be accepted the unified air of regulating.Therefore, this Cooling Design is ” scalable “.At least use in the embodiment of the neutral layout strategies in room at some, hot passageway is actually sealing, makes whereby it and on every side data center environment isolation.Therefore, it is that this will determine the success of the neutral layout strategy in room, so hot passageway group is useful especially design and analysis unit at least in some embodiments of the present invention in the inside, hot passageway and aerodynamics on every side. This computer-readable medium may further comprise and will cause processor to receive relating to the instruction of the information of the air-flow of device dependent connection and power, and may comprise and will cause processor to determine to catch the instruction of index as the basis take the temperature of the air-flow of the available cooling-air of at least one support group and command sequence may further comprise and will cause processor to take the air-flow of support discharging hot blast is determined to catch the instruction of index and determined to catch index take the temperature of support discharging hot blast as the basis as the basis instruction away take the device that is command sequence may comprise further that with causing processor be the instruction that at least one support that the hot passageway group of capable intercooler arranged determines to catch command sequence may comprise that with causing processor be an acceptance determines to catch index from least one support of the cold passageway group of the cooling-air of the porous floor tile of raised flooring center may comprise and be arranged in cooling unit in a row at least one row in the equipment supporter, and this command sequence may further comprise with cause processor take be associated with cooling unit in the row group in each support catch index determines to return the temperature of the air of cooling unit at least one row as the basis command sequence may comprise and will cause processor to determine total ease mistake power of at least one support group and provide total ease to lose the instruction of the indication of command sequence may comprise and will cause processor to compare and provide and catch the instruction whether index is lower than the indication of threshold value catching index and threshold command sequence may comprise that the support that will cause processor with at least one group has the instruction that the basis is optimized the layout of at least one group and the figure that optimizes distribution is provided that is designated as of catching index that is lower than threshold value. In the method, receive data may comprise further that reception relates to the air-flow of device dependent connection and the information of power, comprises the temperature of the available cooling-air air-flow of at least one support group and addition, the information that relates to air-flow may comprise that cooler takes the air-flow of support discharging hot blast away, and may comprise the temperature of support discharging hot support group may comprise at least one hot passageway group and may comprise at least one cold passageway method may further comprise being chosen as at least partially and is configured to the basis with equipment and determines to catch the selected computation model of index and use selected computation model to calculate and catch index.Selected computation model may be algebraic a version, the support of this algebraic model in take the ratio of always catching air-flow and total supply air flow at support place as the hot passageway group of basic calculation catch index, always catch air-flow and be based on that the air-flow of all coolers among the hot passageway group and the horizontal range from cooler to this support calculate, the air-flow of air-flow, adjacent stent of this support and distance that adjacent stent leaves this support calculate and total supply air flow is based on.Total supply air flow and always to catch air-flow may be the further calculating of coupling coefficient of using to the calculated gas flow weighting of row’s support on this support opposite. 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Adopt in the raised flooring environment, usually can not use the neutral layout strategy in room, because the hot blast ” through the room ” of support discharging is got back to cooling this case, CI analyzes focus on cold passageway rather than the inside, hot passageway and on every side air-flow and temperature, and the support inlet temperature differentiates the problem support clearly, so suitable design variation can realize that (or best) solution is found until instance, possible mobile electronic device or computer are loaded, and may change type and the position of porous floor tile, maybe may add additional cooling unit.Under raised flooring environment (or cold passageway is other environment of design focus), why the CI value has two main reasons being useful aspect additional or the replacement support inlet first, according to top discussion, the CI value points out that cooling resource provides wherefrom, and therefore the tolerance design with room independence and scalability.Although arrange one group of fixing equipment may have that various method is all-round to be produced acceptablely, even desirable support inlet temperature, best layout may be that room environment is affected minimum group can lose power (the full group’s criterion take CI as the basis) according to total ease discussed below to whole impacts of room environment and second, in some application programs, even also can be with certain accuracy of the location estimate flux map in can not predicted temperature. Usually, the power of computer equipment consumption is transformed into heat, and the cooling requirement of equipment is based on, and the power demand of equipment determines.Typical data center utilizes the cooling-air of forced ventilation allocation of space by data center below the raised or more computer room air conditioners (CRAC) or computer room air processor (CRAH) distribute along the periphery of data room usually, and the air that these unit extract from the room or the ceiling plenum chamber is returned and distribute cooling-air under raised floor tile of porous may be placed in front or the following equipment that cools off this support the inside with permission from the cooling-air of underfloor of equipment supporter to be cooled.Recently, going intercooler has been used for extracting warm braw and making cold passageway, cool breeze return data center from the hot passageway of data center. 5 b and simple hot passageway group 280.Cross in the trace analysis cold, ” other cooling-air ” representative is at large to obtain the cooling blast of losing in the room environment, and crosses in the trace analysis in heat, and ” other hot blast ” representative is from the warm braw of other support and room temperature of pointing out supposes, as extract the mean value that thing and supply obtain at whole support entrance and exhaust and any analysis, the support air flow energy is divided into two part: CI and Q rProduct be support air-flow ” desirable ” part; Remainder, (1-CI) Q r, be ” unwelcome ” part.
In this system, it is that index is determined to catch in the basis that the controller possible configuration becomes to receive to relate to the air-flow of device dependent connection and the information of power and the air-flow of the available cooling-air of at least one support group of possible configuration Cheng controller possible configuration become take temperature, the cooler of cooling-air take away support discharging hot blast air-flow and and the temperature of support discharging hot blast determine to catch index as the basis.Controller also may be configured to define capable intercooler hot passageway group at least one support catch index, and be configured to determine to accept the index of catching from least one support of a cold passageway group of the cooling-air of the porous floor tile of raised flooring.Controller may be further configured into take be associated with cooling unit in the row group in each support catch index determines to return the air of cooling unit at least one row as the basis temperature.Controller may be further configured into total ease of determining at least one support group and lose power and provide total ease to lose the indication of power.Controller may be further configured into and compare and provide and catch the indication whether index is lower than threshold value catching index and threshold support that controller may be further configured into at least one group has the layout that the basis is optimized the layout of at least one group and optimization is provided that is designated as of catching index that is lower than threshold system may further comprise the graphic formula output device with the controller coupling, and controller may be configured to the output of the graphic formula of at least one support group’s layout is offered this graphic formula output device. In server rooms and datacentres with adequately sized air conditioning, the cooling fans within the IT servers and other equipment may be sufficient enough to prevent a heat build-up and provide adequate air flow. 25. being further configured into take the available cooling-air air-flow of at least one support group, data center’s management system according to claim 23, its middle controller determine that as the basis index is caught in described cold passageway or index is caught in hot passageway. Be sure to visit server rack cabinet for the best server rack coolings on the market to buy.
- method according to claim 1, wherein data center comprises and is arranged in cooling unit in a row at least one row in the equipment supporter, and the method further comprises based on the hot passageway of each support in the group who is associated with cooling unit in this row and catches the temperature that index determines to get back to the air of cooling unit at least one row. Use in embodiments of the invention the advantage of NN to be that its sets up the ability that group’s layout details (input vector) and consequent support are caught the non-linear relation between the index (output vector).The former comprises the actual arrangement of support and cooler, power and air-flow and the cooler air-flow of at least some embodiments, design thousands of kinds of hypothesis but the group layout of reality, the hot passageway CI value of every kind of layout of computational fluid dynamics (CFD) calculating then last, training NN model is so that the relation between ” study ” input vector and the output vector.Although training data can be analyzed by traditional CFD and produce, and can save the considerable time by using PDA-CFD technology previously discussed.Given enough training datas, neural net in fact can be applicable to any data center cooling application , as example, the prediction to 14 feet (4.27 meters) indicating as shown in figure 11 hot passageway boundary long support and cooler group’s CI value will be described now.Similarly method can be adapted to other group’s Design of length NN model. 6 b shows the layout of optimizing, and the latter can lose power with total ease by CI according to following discussion and be identified.Although surrounding environment does not show in the drawings that local cooler is the unique equipment that is arranged in 22 feet wide, 18 feet depths and 12 feet high separate rooms.(please note: whole data center may consider in same mode there is not the loss of generality).Cooler is supplied 68 °F air with the speed of 2720 cubic feet of per minutes; Support power be point out in the drawings and air velocity take stride across 20 °F of temperature rises of support as the this group, total cooling blast is approximately 1.4 with the ratio of support support inlet temperature is with the same expect will be in 68 °F to 77 °F scope to the requirement of class (Class) 1 equipment according to ASHRAE (2004).Because cooler is with 68 °F of supply air flows, we only need to consider the performance relevant with temperature upper -flow and temperature are to utilize the CFD mould quasi-definite, and the carrier stage criterion (SHI, support inlet temperature maximum and CI) of calculating and group’s level criterion (clean ease mistake power, SHI and RCI HI) all show in the drawings.
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