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The main purpose of this paper is to research energy efficiency by using free cooling in data centers. The upper limit of wet bulb temperature of free cooling is obtained and the recommended value is 16 ℃ in the way of indirect cooling by open cooling tower. The concept of sensitivity of the natural cold resource is proposed for the first time. The natural resource utilizing potential of main climate...
Airflow pattern in a data center impacts the cooling effectiveness of the air-conditioning systems significantly, and hence impacts the energy efficiency of the whole data center. This paper presented investigation of 3 airflow patterns for a typical data center by CFD simulation. An under-floor air supplying system, row-level cooling system and rack level cooling system was used in the targeted data...
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