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Energy savings of hybrid dew-point evaporative cooler and micro-channel separated heat pipe cooling systems for computer data centers

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  • Liu, Yuting
  • Yang, Xu
  • Li, Junming
  • Zhao, Xudong

Abstract

The world has entered the Age of Big Data with large data centers consuming large amounts of energy. 30%–50% of the energy delivered to a typical data center is consumed by the space cooling system. Dew-point evaporative coolers and heat pipes both utilizing natural cold resources can significantly reduce these refrigeration costs. This paper presents two hybrid cooling systems combining dew-point evaporative coolers with heat pipes for computing and data center cooling systems. The energy-saving potentials of two these hybrid cooling systems were analysed through calculations with comparisons with a traditional vapour compression refrigeration system. The results show that the average annual coefficients of performance (COP) of the ideal hybrid refrigeration systems are 33 and 34 which leads to annual energy savings of nearly 90% compared with vapour compression refrigeration.

Suggested Citation

  • Liu, Yuting & Yang, Xu & Li, Junming & Zhao, Xudong, 2018. "Energy savings of hybrid dew-point evaporative cooler and micro-channel separated heat pipe cooling systems for computer data centers," Energy, Elsevier, vol. 163(C), pages 629-640.
    • Handle: RePEc:eee:energy:v:163:y:2018:i:c:p:629-640
    DOI: 10.1016/j.energy.2018.07.172
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    12. Li, Chao & Mao, Ruiyong & Wang, Yong & Zhang, Jun & Lan, Jiang & Zhang, Zujing, 2024. "Experimental study on direct evaporative cooling for free cooling of data centers," Energy, Elsevier, vol. 288(C).
    13. Sun, Xiaoqing & Zhang, Ce & Han, Zongwei & Dong, Jiaxiang & Zhang, Yiqi & Li, Mengyi & Li, Xiuming & Wang, Qinghai & Wen, Zhenwu & Zheng, Baoli, 2023. "Experimental study on a novel pump-driven heat pipe/vapor compression system for rack-level cooling of data centers," Energy, Elsevier, vol. 274(C).
    14. Hadeed Ashraf & Muhammad Sultan & Uzair Sajjad & Muhammad Wakil Shahzad & Muhammad Farooq & Sobhy M. Ibrahim & Muhammad Usman Khan & Muhammad Ahmad Jamil, 2022. "Potential Investigation of Membrane Energy Recovery Ventilators for the Management of Building Air-Conditioning Loads," Energies, MDPI, vol. 15(6), pages 1-23, March.
    15. Muhammad Aleem & Ghulam Hussain & Muhammad Sultan & Takahiko Miyazaki & Muhammad H. Mahmood & Muhammad I. Sabir & Abdul Nasir & Faizan Shabir & Zahid M. Khan, 2020. "Experimental Investigation of Desiccant Dehumidification Cooling System for Climatic Conditions of Multan (Pakistan)," Energies, MDPI, vol. 13(21), pages 1-23, October.
    16. Cui, Yuanlong & Zhu, Jie & Zoras, Stamatis & Liu, Lin, 2021. "Review of the recent advances in dew point evaporative cooling technology: 3E (energy, economic and environmental) assessments," Renewable and Sustainable Energy Reviews, Elsevier, vol. 148(C).
    17. Fujen Wang & Yishun Huang & BowoYuli Prasetyo, 2019. "Energy-Efficient Improvement Approaches through Numerical Simulation and Field Measurement for a Data Center," Energies, MDPI, vol. 12(14), pages 1-18, July.
    18. Shao, Shuangquan & Liu, Haichao & Zhang, Hainan & Tian, Changqing, 2019. "Experimental investigation on a loop thermosyphon with evaporative condenser for free cooling of data centers," Energy, Elsevier, vol. 185(C), pages 829-836.
    19. Xiao, Xin & Liu, Jinjin, 2024. "A state-of-art review of dew point evaporative cooling technology and integrated applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 191(C).
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