The Rise and Fall…And Rise Again of Data Center Cooling

  • This method depends on positioning the hot sides of the computer servers away from the cold sides, which essentially creates a convection system separating the two sorts of air away from each other. It’s admittedly not the most productive arrangement for how much additional cold air winds up needed to keep the center temperature balanced.
  • Building upon the cold aisle/hot aisle concept, the servers are individually contained to forestall the two air types from mixing at all. While an improvement, the method actually leads to hot spots within the data center.
  • Hot air is taken out by introducing a pressure cooler directly into the racks that store the servers.
  • With water-cooled racks, aka rear-door chillers, water streams next to the racks yet does not at any point touch the servers themselves. While generally effective, there is an inherent risk to this method that the water may leak onto the sensitive equipment, potentially ruining the hardware… , not to mention the fact that the chilling is done with compressors and uses quite some energy to cool.
  • The two sorts of liquid are used in the liquid immersion cooling method, where entire servers are totally shrouded in either the synthetic or the mineral liquid. These liquids are specially crafted to handle all heat emissions while not affecting the hardware negatively. Environmental temperatures are thus able to decrease the warmer water of the secondary coolant circle. This is one of the most energy-effective forms of cooling at present in practice.
  • This method is a shut circle system designed to capture the heat emissions in the data center’s energy recovery water or ERW. It really takes the best of the liquid-and air-based choices and very well may be the next major direction for the whole data center cooling process.

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