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Cooling systems consume around 40% of modern data centres' total energy consumption, thus reducing the energy waste in this sector will have positive environmental impact. There exist several cooling methods appropriate for particular conditions. Since environmental conditions, such as air temperature, change on seasonal bases, no single cooling method can be claimed to be the best. In contrast, data...
Power quality is an important aspect in data centers and power system operators prefer data centers with high standard power quality. Modern data centers consume large amount of electrical power. As the cooling systems are accounted for 40% of the total power consumption in data centers, energy efficiency in this sector is of high importance. This research investigates if the existing energy efficient...
This paper describes a dynamical nonlinear data center model. It is a principle-based continuous time model, aimed at testing and evaluating control and optimization algorithms. The model is based on a module in data center used by RISE, Research Institute of Sweden. The data center modelled is a small scale slab floor data center. It contains four computer-room-air-handling units, two rows of five...
Cooling is an extremely important process in modern data centers. Cooling systems of server rooms ensure appropriate operation conditions to IT systems, such as servers and data storage, but, on the other side, they consume a lot of energy. Current control systems, which are installed in data centers and are responsible for thermal management of the facilities, are following conservative control strategies...
In this paper, we proposed a centralized SIP-based Video Conference System. The function structure of the system was designed and the implementation method was introduced. The proposed Video Conference System can meet to the needs of the application in small medium enterprises, and it can provide higher conference quality with a lower cost.
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