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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]
Liquid nitrogen may be used for cooling an overclocked computer, when an extreme measure of cooling is needed. Liquid nitrogen is a compact and readily transported source of dry nitrogen gas, as it does not require pressurization.
Due to the use of liquid cooling, the Cray-2 was given the nickname "Bubbles", and common jokes around the computer made reference to this unique system. Gags included "No Fishing" signs, cardboard depictions of the Loch Ness Monster rising out of the heat exchanger tank, plastic fish inside the exchanger, etc. The power consumption of the Cray ...
Contemporary cryogenic processors monitor temperature fluctuations and modulate the liquid nitrogen input to ensure that only fractional changes in temperature occur over a specific period of time. These temperature readings and adjustments are synthesized into profiles that are used to repeat the process when treating similarly grouped objects.
In computing and electronics, liquid cooling involves the technology that uses a special water block to conduct heat away from the processor as well as the chipset. [1] This method can also be used in combination with other traditional cooling methods such as those that use air. The application to microelectronics is either indirect or direct.
To compensate for this, the CPU was immersed in -196.15 °C liquid nitrogen for cooling. Although such cooling could potentially speed up the CMOS logic by a factor of four, in practice the liquid nitrogen cooling yielded an approximately twofold speed increase over air-cooled systems.
Liquid nitrogen may be used for cooling an overclocked system, when an extreme measure of cooling is needed. Other cooling methods are forced convection and phase transition cooling which is used in refrigerators and can be adapted for computer use.
These systems are replaced with liquid circulation pumps and heat exchanger and/or dry cooler systems. Power use at data centers is often measured in terms of power usage effectiveness (PUE). The definitions of PUE for air-cooled devices and liquid immersion cooled devices are different which makes such direct comparisons inaccurate.
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3579 S High St, Columbus, OH · Directions · (614) 409-0683