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Published in:
2020 | OriginalPaper | Chapter
Comparative Analysis of Air-Cooled Precision Air Conditioners and Water-Cooled Precision Air Conditioners
Authors : Huifang Liu, Zhixian Ma, Mingsheng Liu
Published in: Proceedings of the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019)
Publisher: Springer Singapore
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Abstract
This paper compares air-cooled and water-cooled precision air conditioners used in computer rooms from six aspects: energy-saving measures that can be adopted, system safety, system investment, system operation and maintenance, load change adaptability, and system energy efficiency. Results showed that the air-cooled precision air-conditioning system has excellent performance in terms of safety, initial investment, operation and maintenance requirements, adaptability to load changes, and energy efficiency compared to water-cooled precision air-conditioning systems; air-cooled precision air conditioners cannot adopt integrated energy efficiency measures for cogeneration. This paper offers a reference for the selection of precision air conditioners for data centers.