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Recapture of the waste heat from data centers remains a difficulty undertaking. For liquid-cooled data centers, the temperature of thewater has been too low to make it economically feasible to put full-blown heat recovery systems in place. The University of Tromso (UiT), incollaboration with an IT manufacturer, has undertaken a detailed study to investigate the technical and economic feasibility of capturing thewaste heat from its current data center. A single rack of servers has been converted to liquid-cooling (CPUs only). The rack was testedusing inlet water temperatures that satisfy ASHRAE W2-W5 liquid-cooling classes. Under all inlet water temperatures investigated,the key IT device temperatures remained well within specification, while producing rack exhaust water temperatures as high as 147.2degrees F (64 degrees C). Using the current UiT cost of energy, and assuming that 50% of the waste heat from a 1 MW data center is reused,there is the potential to save over 375,000 Euros annually. As UiT is building out a new 2 MW data center, the potential forgreater heat recapture can greatly expand the re-use of the data center waste heat to the broader campus.
Citation: 2016 Winter Conference, Orlando, FL, Conference Papers
Product Details
- Published:
- 2016
- Number of Pages:
- 8
- Units of Measure:
- Dual
- File Size:
- 1 file , 1.9 MB
- Product Code(s):
- D-OR-16-C036
