Analysis of an Evaporative Condensation System Coupled to a Microchannel-Separated Heat Pipe for Data Centers

Ying Wang, Xiang Huang (), Junjie Chu, Yan Du, Xing Tang, Cong Dai and Gang Ma
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Ying Wang: School of Urban Planning and Municipal Engineering, Xi’an Polytechnic University, Xi’an 710048, China
Xiang Huang: School of Urban Planning and Municipal Engineering, Xi’an Polytechnic University, Xi’an 710048, China
Junjie Chu: School of Urban Planning and Municipal Engineering, Xi’an Polytechnic University, Xi’an 710048, China
Yan Du: School of Urban Planning and Municipal Engineering, Xi’an Polytechnic University, Xi’an 710048, China
Xing Tang: BLUE-ON (Jiangsu) Environmental SYSTEM Co., Ltd., Taixing 225441, China
Cong Dai: School of Urban Planning and Municipal Engineering, Xi’an Polytechnic University, Xi’an 710048, China
Gang Ma: School of Urban Planning and Municipal Engineering, Xi’an Polytechnic University, Xi’an 710048, China

Energies, 2022, vol. 15, issue 23, 1-18

Abstract: In the age of the digital economy, the data center is the most crucial piece of infrastructure. The issue of the excessive power consumption of a data center’s cooling system needs to be addressed as the national objective of “peak carbon and carbon neutrality” is increasingly promoted. In this study, a microchannel-separated heat pipe-cooling system with evaporative condensation is introduced. The system may switch between three modes of operation in response to changes in outdoor air quality parameters, thereby maximizing the utilization of natural cooling sources while lowering data centers’ cooling costs. The purpose of this paper is to analyze the energy-saving potential of the hybrid system through experimental tests. The results show that 114.4% is the ideal liquid-loading rate for the heat pipe system. Under working conditions in Xi’an, the annual operating hours of the three modes accounted for 47.2%, 6.1%, and 46.7%. The hybrid cooling system may save 62.04% of the energy used annually compared to the standard cooling system and the cooling system in the server room thanks to its yearly average COP of 9.43.

Keywords: data center; microchannel separate heat pipe; evaporative condensation; performance test (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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