1 What is Immersion Cooling?
Immersion cooling, specifically single-phase immersion cooling, revolutionizes data center thermal management by directly submerging IT equipment in dielectric fluid, yielding superior efficiency, density, and reliability. There are three key elements to Immersion Cooling:
3. Immersion Rack (Tank)
1. Immersion Fluid
2. IT Hardware
1. Immersion Cooling Fluid: No, it’s not water Immersion cooling relies on specialized, non-conductive dielectric fluids. These tested, single-phase synthetics safely submerge electronics, efficiently absorbing heat. Eliminating air and server fans, they protect IT equipment from dust, humidity, corrosion, and reduce vibration/failure points. The fluid acts as both a coolant and a protective barrier, enhancing the reliability and longevity of the IT hardware. 2. IT Hardware: Unprecedented Density Support The IT component in an immersion cooling architecture refers to the servers, storage, networking, and other compute devices designed or adapted for submersion. While many off-the-shelf servers can be made "immersion-ready" through minor modifications (like fan removal), some manufacturers now offer purpose-built immersion-optimized hardware. 3. Immersion Rack (Tank) A specialized enclosure that houses IT or networking equipment submerged in a thermally conductive, electrically non-conductive dielectric fluid for efficient heat removal. Designed to securely hold hardware, contain and circulate coolant, and transfer heat to secondary cooling systems such as water loops or heat exchangers.
• IT equipment is submerged into a tank with dielectric fluid • Heat is transferred from the server components into the fluid • Pumps circulate the fluid in the tank moving it through a CDU / heat exchanger • Heat from CDU is removed to the data center chilled primary loop How Immersion Cooling Works
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