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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Analysis of Cooling Characteristics in Datacenter Using Outdoor Air Cooling
Author(s)
Yoshiyuki Inoue, Hirofumi Hayama, Taro Mori, Koki Kikuta and Noriyuki Toyohara
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DOI:10.17265/1934-8975/2015.01.002
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ABSTRACT
Advancement of the information society has proceeded with the development of information and communication technology, and a demand on a data center has increased. In such a situation, the number of servers is increasing in a data center. Thus, the heat density in a data center is much higher than that of usual offices. And typically, almost 40% of the total power consumption is used for cooling servers in a data center. Thus, cooling effectiveness is one of the most important factors in evaluating the value of the data center. The data center taken up in this paper is located in Ishikari, where is a cold district in Japan. Using the cool outdoor air for cooling servers helps us to cut the power consumption for cooling. This paper first assesses the efficiency of Ishikari data center measuring the temperature of seven parts in a building where the cooling air flowing. Second, this paper describes the most efficient method for the operation and estimates 1.11 of PUE (power usage effectiveness).
KEYWORDS
Data center, cooling characteristics, outdoor air cooling, PUE
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