Legacy datacenter cooling techniques are inherently inefficient. Pumps, fans, blowers, compressors, etc. all consume power often 50% of that consumed by the datacenter. The most efficient datace...
Legacy datacenter cooling techniques are inherently inefficient. Pumps, fans, blowers, compressors, etc. all consume power often 50% of that consumed by the datacenter. The most efficient datacenters of today use outside air guided to the front of each rack. Even in the absence of primary facility blowers, the fans within each server consume 5-10% of the energy drawn.
Liquid cooling techniques nudging their way into the mainstream capture some portion of the heat generated within the server but at the expense of complexity. They require pumps, tubes, heat exchangers and quick disconnects and most still require some amount of air cooling for secondary devices like memory, ASICS, power transistors, etc.
Immersion cooling can capture ALL the heat generated within a server and transfer it passively to outdoor air or facility water. Immersion requires no ancillary devices. The extracted heat is delivered at the maximum temperature possible thus maximizing efficiency and the availability of the heat for other purposes.
For the server designer, airflow considerations are eliminated. The power density is virtually unlimited so that an immersion-cooled server would use far less natural resources (copper, PCB, etc.) and produce less waste.
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