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A study on the evaluation of ventilation system suitable for outside air cooling applied in large data center for energy conservation.

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Title: A study on the evaluation of ventilation system suitable for outside air cooling applied in large data center for energy conservation.
Authors: Kwon, Yong-Il1 yikwon@shinhan.ac.kr
Source: Journal of Mechanical Science & Technology. May2016, Vol. 30 Issue 5, p2319-2324. 6p.
Subjects: Ventilation, Cooling systems, Engineering systems research, Air flow, Aerodynamics research
Abstract: In developed countries, expansion of communication technology has resulted in continual increase in the construction of data centers with high-density cooling loads. Throughout a year, IT equipment installed in a data center generates large and constant cooling load. As a result, data centers may be consuming an ever-growing amount of energy. The cooling system utilizing the energy of outside air is applied universally to reduce data center energy consumption. The application of the cooling system to the outdoor air cooling system of a data center considers that temperature efficiency and ventilation performance vary depending on the type of ventilation system. The displacement and mixed ventilation method can be applied generally to a data center. The efficiency of a ventilation system depends on inside temperature or contaminant concentrations in room and outlets. This study thus aims to evaluate the ventilation performance that varies according to type of ventilation system installed in the data center. Ventilation efficiency is assessed by applying the concept of total air age and considers the fresh air ratio and age of return air. Further, temperature efficiency gained by utilizing temperature difference is used to assess causes for changes in ventilation performance. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Mechanical Science & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 115657871
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PubType: Academic Journal
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  Data: A study on the evaluation of ventilation system suitable for outside air cooling applied in large data center for energy conservation.
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  Data: <searchLink fieldCode="AR" term="%22Kwon%2C+Yong-Il%22">Kwon, Yong-Il</searchLink><relatesTo>1</relatesTo><i> yikwon@shinhan.ac.kr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Mechanical+Science+%26+Technology%22">Journal of Mechanical Science & Technology</searchLink>. May2016, Vol. 30 Issue 5, p2319-2324. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Ventilation%22">Ventilation</searchLink><br /><searchLink fieldCode="DE" term="%22Cooling+systems%22">Cooling systems</searchLink><br /><searchLink fieldCode="DE" term="%22Engineering+systems+research%22">Engineering systems research</searchLink><br /><searchLink fieldCode="DE" term="%22Air+flow%22">Air flow</searchLink><br /><searchLink fieldCode="DE" term="%22Aerodynamics+research%22">Aerodynamics research</searchLink>
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  Label: Abstract
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  Data: In developed countries, expansion of communication technology has resulted in continual increase in the construction of data centers with high-density cooling loads. Throughout a year, IT equipment installed in a data center generates large and constant cooling load. As a result, data centers may be consuming an ever-growing amount of energy. The cooling system utilizing the energy of outside air is applied universally to reduce data center energy consumption. The application of the cooling system to the outdoor air cooling system of a data center considers that temperature efficiency and ventilation performance vary depending on the type of ventilation system. The displacement and mixed ventilation method can be applied generally to a data center. The efficiency of a ventilation system depends on inside temperature or contaminant concentrations in room and outlets. This study thus aims to evaluate the ventilation performance that varies according to type of ventilation system installed in the data center. Ventilation efficiency is assessed by applying the concept of total air age and considers the fresh air ratio and age of return air. Further, temperature efficiency gained by utilizing temperature difference is used to assess causes for changes in ventilation performance. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Journal of Mechanical Science & Technology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s12206-016-0441-x
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      – Code: eng
        Text: English
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      – SubjectFull: Ventilation
        Type: general
      – SubjectFull: Cooling systems
        Type: general
      – SubjectFull: Engineering systems research
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      – SubjectFull: Air flow
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      – SubjectFull: Aerodynamics research
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      – TitleFull: A study on the evaluation of ventilation system suitable for outside air cooling applied in large data center for energy conservation.
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              Text: May2016
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