The working fluid is cooled when it reaches its boiling point and will remain at this saturation temperature. This method takes advantage of a concept known as latent heat, where thermal energy is required to change the state of a fluid. In two-phase cooling, the working fluid can exist in either a liquid or gas state. This technique uses o pen baths as there is little to no risk of the coolant evaporating. The coolant is pumped into a heat exchanger where the heat is then transferred to a cooler water circuit. Single-phase coolant never changes state it doesn’t boil nor freeze and always remains in its liquid form. The properties of the SmartCoolant fluid allow for a higher heat transfer performance than air – learn more about it in our ebook here! What Different Types of Immersion Cooling Are There? 1. Submer SmartCoolant liquid – our very own immersion cooling fluid solution – is a dielectric, synthetic, proprietary fluid, is certified as 100% non-hazardous and biodegradable according to OECD 301. Non-purpose oils, including cooking, motor, and silicone oils have also been successfully used to cool computer servers. With immersion cooling, the working fluid must be non-conductive, which tend to be within four families of fluids:Ī wide variety of fluids exist for the purpose of immersion cooling, with the most suitable being transformer oils and other electrical cooling oils. In immersion cooling, however, heat is transferred directly away from the heat source using the working fluid. A watertight water block is used to indirectly transfer the heat from the heat source to the working fluid. In water cooling, the liquid is potentially harmful to electronics and thus flows through a sealed loop isolated from the heat source. Is Immersion Cooling the Same as Water Cooling? For these reasons, dielectric fluid is preferred. If the fluid is somewhat electrically conductive, it may be necessary to insulate certain parts of components susceptible to electromagnetic interference, such as the CPU. Some extreme-density supercomputers, such as the Cray-2 and Cray T90 , use large liquid-to-chilled heat exchangers for heat removal. In this case, the fluid used must have sufficiently low electrical conductivity so as not to interfere with the normal operation of the computer. This innovative way of cooling IT hardware or servers doesn’t require fans and the heat exchange between the warm coolant and cool water circuit usually occurs through a heat exchanger i.e. liquid submersion cooling is the method of submerging computer components or full servers in a thermally, but not electrically, conductive liquid.
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