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Open-bath immersion cooling is a data center cooling technique that implies fully submerging IT equipment in dielectric liquid. The "open" aspect does not refer to an open or sealed system, but refers to the "open" liquid-air interface and thus surface tension between the liquid and the air is a distinctive element. [30]
"Since 2019, UNICOM Engineering and GRC have collaborated with Dell Technologies to bring immersion-cooled servers to market," said Rusty Cone, General Manager at UNICOM Engineering. "The XE9680-IR is the latest in a long line of immersion-ready servers that bring the value of immersion cooling to data center operators worldwide."
The former pertains to the category that utilizes cold plate cooling, which uses water as coolant while, in the latter (also referred to as liquid immersion cooling), the surface of the chips comes in contact with the liquid since there is no wall separating the heat source from the coolant. [2]
Liquid cooling is typically combined with air cooling, using liquid cooling for the hottest components, such as CPUs or GPUs, while retaining the simpler and cheaper air cooling for less demanding components. The IBM Aquasar system uses hot water cooling to achieve energy efficiency, the water being used to heat buildings as well. [40] [41]
Rising Data Center Power Densities: Data centers are increasingly adopting immersion cooling to efficiently manage thermal conditions, as the demand for data-intensive applications continues to grow. This shift improves operational efficiency, fueling the growth of the Immersion Cooling Market as businesses strive to maximize performance and ...
This water-cooled data center in the Port of Strasbourg, France claims the attribute green. Data centers use a lot of power, consumed by two main usages: The power required to run the actual equipment and then the power required to cool the equipment. Power efficiency reduces the first category.
A key part of being environmentally friendly was the focus of attempting to lower the output of carbon dioxide emissions. 50% of an air-cooled data center's energy consumption and carbon pollution actually comes from the cooling system of the data centers rather than from the actual computing process. The creation of the Aquasar started in 2009.
Close Coupled Cooling is a last generation cooling system particularly used in data centers. The goal of close coupled cooling is to bring heat transfer closest to its source: the equipment rack. By moving the air conditioner closer to the equipment rack a more precise delivery of inlet air and a more immediate capture of exhaust air is ensured.