본문 바로가기
Data Center Technology Lab

Data Center Technology Lab

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 setups

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 case rise.

Server rack front with temperature probes at the top and bottom air intakes, the top of the rack lit warmer than the bottom

Why a Data Center Hotspot Escapes the Average Temperature

One rack face averages 21 °C while its top intake draws 31 °C. Why averages miss it.

Illustration of a steel coolant manifold with a row of quick-connect sockets for server cooling loops

Manifold Flow Distribution Specs Say 5%, Test Racks Show 10%

The Open Compute Project’s Open Rack V3 Blind Mate Manifold Specification, dated 5 April 2024,…

Illustration of a corroded blowdown valve on a cooling tower water pipe

WUE Averages Run Fivefold Apart Until You Define the Water

Sunbird’s DCIM glossary puts the average data center WUE at 1.8 L/kWh. Lawrence Berkeley Natio…

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 the servers, with 29…

Illustration of a motorized shutoff valve on an insulated coolant pipe in a data center plant room

Leak Detection in Liquid Cooling Ends Where Valves Begin

A leak detection rope fires only when electrically conductive coolant touches it. A solenoid valve t…

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. ASHRAE guidance for wate…

Illustration of a thermocouple wire touching the metal lid of a processor on a server board

How to Read a Thermal Resistance Rating

Intel lists a case-to-ambient slope of 0.180 K/W for the Xeon Platinum 8180 on a 2U heatsink, with l…