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Data Center Technology Lab Data Center Technology Lab
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Liquid Cooling Technologies

How direct-to-chip cold plates and immersion systems work, and what their published numbers actually mean.

전체 11개의 글

Macro view of an etched silicon die with fine parallel grooves and one clear tubing stub at a port, lit from a single lamp

Microfluidic Cooling Cuts the Layers Between Die and Coolant

Embedded microchannels remove interface layers, but pumping and pressure set the…

Printed equipment data sheet with unreadable text lying on a stainless steel tank lid beside a glass site window, a pencil across one row

Rack Density by Cooling Type and PUE by Method, Compared

Stated rack loads, PUE labels and retrofit burden across cooling methods, side b…

Overhead macro of a glass breakdown test cell with two brass electrodes a millimeter apart in clear insulating fluid

Dielectric Fluid Specs Checked Against OCP Immersion Limits

Three dielectric fluid sheets against OCP: equal heat per liter, unequal test se…

Copper cold plate clamped on a server processor beside a row of uncovered memory modules, lit by hard side light

DLC vs Immersion Cooling Is a Boundary Question, Not a Race

Cold plates left 6% to 52% of rack heat in air; an immersion heat sink doubled c…

Illustration of a rear door heat exchanger coil on a server rack with a braided coolant hose connection

Rear Door Heat Exchanger Capacity Is Capped by Rack Airflow

An Open Compute Project study credits 3,500 cfm of rack airflow, heated 15°C by …

Illustration of three coolant sample vials on a steel bench in front of an insulated pipe

Coolant Types in the Data Center and What Each Sheet Assumes

A PG25 coolant sheet lists electrical conductivity above 2,000 micromho/cm. ASHR…

Illustration of the lid of an immersion cooling tank with a brass fitting in a data center

How Single Phase and Two Phase Immersion Cooling Differ in Operation

A kilogram of Chemours’ Opteon 2P50 absorbs 115 kJ as it boils. A kilogram…

Illustration of a mechanical room with blue chilled water pipes, valves and cooling units

Single Phase vs Two Phase DLC and What Latent Heat Buys

A Korean consortium building direct liquid cooling for 300kW-per-rack AI data ce…

Illustration of a server aisle with liquid cooling hoses looping into the rack fronts

Cold Plate Thermal Resistance and the 28 K Temperature Gap

Korea’s national direct liquid cooling program sets two cold plate targets…