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Data Center Technology Lab

Data Center Technology Lab
Illustration of parallel insulated coolant pipes running past rows of server racks

Air vs Water Heat Transfer: Why the Gap Is 3,400x, Not 4x

Cooling Fundamentals · 9월 11일

Water’s specific heat is about four times air’s, a figure that shows up in nearly every …

Illustration of a cold aisle between server cabinets with large chilled water ducts overhead

Retrofit Liquid Cooling Without Rebuilding the Data Center

Facility and Operations · 9월 11일

Operators rank ease of retrofit into existing infrastructure as the single most important test of wh…

Illustration of a coolant distribution unit cabinet with flexible hoses in a server hall

Liquid Cooling Components and the PUE Boundary They Cross

Liquid Cooling Technologies · 9월 11일

A coolant distribution unit rated at 453 kW draws 4.5 kW at full flow. The server fans it displaces …

Illustration of a server hall with rack rows and vertical liquid cooling pipes at each row end

PUE Measures the Building and Misses the Server Entirely

Efficiency and Adoption · 9월 11일

ISO/IEC 30134-2 defines power usage effectiveness as total data center energy divided by IT equipmen…

Illustration of server cabinets fed by hoses from an overhead pipe, with cooling equipment at the far end

Data Center Cooling Methods and the Problem Each One Fixed

Cooling Fundamentals · 9월 11일

Open Compute Project documents define cold plate cooling, indirect liquid cooling, and immersion as …

Illustration of a raised-floor data center aisle with perforated tiles between rows of server racks

Air Cooling Limit per Rack Is a Floor Tile, Not Physics

Cooling Fundamentals · 9월 11일

Uptime Institute puts the air cooling limit per rack at 20 to 25 kW. Schneider Electric’s engi…