2021
DOI: 10.3390/en14123575
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A Study on the Energy Reduction Measures of Data Centers through Chilled Water Temperature Control and Water-Side Economizer

Abstract: The degree of integration of IT devices and consumption of cooling energy are consistently increasing owing to developments in the data center industry. Hence, to ensure the smooth operation and fault prevention of IT devices, the energy consumption of cooling systems has increased, leading to active research on improvements in cooling system performance for reducing energy consumption. This study examines the reduction in cooling energy consumption using a simulation by applying chilled water control and a wa… Show more

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(2 citation statements)
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“…Accordingly, the maximum heat transfer of the coil is determined by the minimum heat capacity and temperature difference between the air and the chilled water supplied to the coil, according to Equation (8).…”
Section: Free Cooling Period Extension Plan 221 Plan 1: Increase In T...mentioning
confidence: 99%
See 1 more Smart Citation
“…Accordingly, the maximum heat transfer of the coil is determined by the minimum heat capacity and temperature difference between the air and the chilled water supplied to the coil, according to Equation (8).…”
Section: Free Cooling Period Extension Plan 221 Plan 1: Increase In T...mentioning
confidence: 99%
“…Particularly, to reduce cooling energy in data centers, which experience summer-level cooling loads even in winter, a WSE is applied to introduce cold outside air during winter and intermediate seasons to cool the room. The energy savings from applying a WSE range from approximately 10% to 47% [6][7][8][9]. Free cooling with a WSE can significantly reduce energy usage by replacing the role of the chiller with a heat exchanger during winter.…”
Section: Introduction 1background and Literature Reviewmentioning
confidence: 99%