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Data center evolved to become large power consumers. Its supporting infrastructure, such as cooling and power distribution, consumes resources e.g. electric power and money. In fact, most money is spent on power conditioning and cooling systems. Therefore, the efficiency of data center and power quality are important topics and can be addressed by careful design. There is a need for research into...
Enclosed aisle data centers with bypass recirculation have previously been shown to reduce significantly the cooling infrastructure's power consumption compared to a typical open-aisle configuration. Enclosed aisle configurations also facilitate IT load placement through so-called thermally aware, energy-optimized virtualization. The formidable problem of optimal workload placement, which has received...
In our days, data centers provide the global community with an indispensable service: nearly unlimited access to almost any kind of information by supporting Internet services such as Web hosting or E-commerce services. With the increasing demand of information, data centers consume a great amount of energy. The resulting high utility costs is reason enough to address power consumption. In this paper...
Numerical modeling of data centers was introduced nearly 10 years ago and has become ubiquitous in the industry. Aside from computational fluid dynamics, a number of alternative approaches have been investigated to reduce model runtime while maintaining accuracy. Less attention, however, has been paid to utilizing the output of such tools to assess the availability and operational margin of IT equipment...
The aisle capping has been attracting attention as a method for reducing power consumption of an air-conditioning (A/C) system in data centers and central offices. This method designs airflow pattern so as to confine supplied cold air to cold aisles, by encircling it with top panels and wall panels. This paper discusses optimization of operational conditions for an A/C operation with the aisle capping...
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