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Current trends in data center cooling infrastructure design drive toward raising the coolant temperature to as high a level as equipment reliability allows in order to reduce the energy consumed by the cooling infrastructure and, consequently, improve (i.e., decrease) the power utilization effectiveness (PUE). However, as currently applied, PUE would appear to have deteriorated if measures are taken...
Operational expenses of servers and the data center to support them account for a significant part of the total cost of ownership of a data center and potentially the total business. Manipulating the inlet temperature to the servers can provide a possible method of lowering the operating cost of a data center. Conventional wisdom regarding management of the cold aisle temperature in the data center...
During the design of 2.5D and 3D integrated systems the thermal management of the whole system is important, especially in high performance systems with combinations of processor and memory dies utilizing the Wide I/O memory interface. Because cooling solutions could be very expensive they should be considered in very early design cycles. For example, the decision if the system is implemented as a...
As a common practice in the data center industry, chassis fans are used to direct air flow independent from neighboring servers. In general, smaller fans are less efficient compared to geometrically similar larger fans. In this study, a novel approach is proposed whereby chassis enclosed fans are replaced with a smaller number of larger fans installed behind a stacked array of servers which share...
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