In 2005, IBM released a water cooled heat exchanger product that significantly enhanced data center cooling capability while also demonstrating substantial energy savings. In 2008, IBM released an enhanced water less solution to cool the electronic racks via a R410A refrigerant based vapor compression system, which is the focus of this paper. The paper provides a detailed description of device and coolant loop construction, the experimental thermal data collected, as well as a discussion of its’ cooling energy efficiency relative to both typical air cooled facilities and water cooled heat exchangers, respectively. A data center level case study was performed with experimental measurements collected and discussed herein. Significant energy savings were realized even when the heat exchanger devices were implemented on a small part of the data center. Based on the test data and the experimental data center study, the CRAC units based loops have a COP of 1.95, while the refrigerant refrigerant heat exchanger loop has a COP of 5.0.
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ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability
July 19–23, 2009
San Francisco, California, USA
Conference Sponsors:
- Electronic and Photonic Packaging Division
ISBN:
978-0-7918-4360-4
PROCEEDINGS PAPER
Refrigeration Heat Exchanger Systems for Server Rack Cooling in Data Centers Available to Purchase
Takeshi Tsukamoto,
Takeshi Tsukamoto
IBM Global Technology Services, Yamato, Japan
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Jyunji Takayoshi,
Jyunji Takayoshi
IBM Global Technology Services, Yamato, Japan
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Roger R. Schmidt,
Roger R. Schmidt
IBM Systems & Technology Group, Poughkeepsie, NY
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Madhusudan K. Iyengar
Madhusudan K. Iyengar
IBM Systems & Technology Group, Poughkeepsie, NY
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Takeshi Tsukamoto
IBM Global Technology Services, Yamato, Japan
Jyunji Takayoshi
IBM Global Technology Services, Yamato, Japan
Roger R. Schmidt
IBM Systems & Technology Group, Poughkeepsie, NY
Madhusudan K. Iyengar
IBM Systems & Technology Group, Poughkeepsie, NY
Paper No:
InterPACK2009-89258, pp. 915-921; 7 pages
Published Online:
December 24, 2010
Citation
Tsukamoto, T, Takayoshi, J, Schmidt, RR, & Iyengar, MK. "Refrigeration Heat Exchanger Systems for Server Rack Cooling in Data Centers." Proceedings of the ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability. ASME 2009 InterPACK Conference, Volume 2. San Francisco, California, USA. July 19–23, 2009. pp. 915-921. ASME. https://doi.org/10.1115/InterPACK2009-89258
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