One way to efficiently channel cool air involves the “hot aisle/cold aisle” approach when the flow of cold and hot is alternated between server rows. With this system, cooled air is piped into cold aisles. The servers are positioned so their front air intakes face the cool-air aisles while the backs of the servers, where fans pipe the hot air out, face the hot aisle from which the heated air is eventually piped out of the data center through the CRAC.
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