Effects of Data Center Bypass Airflow

Effects of Data Center Bypass Airflow

Remember when bypass airflow in a data center was a sign of prestige? That social marker started going the way of arsenic-induced pale complexions, corseted tiny waists and some of the more over-the-top displays of conspicuous consumption, around the time when the...
Effects of Data Center Hot Air Re-Circulation

Effects of Data Center Hot Air Re-Circulation

What is there to say about data center hot air re-circulation? It’s bad. It causes hot spots. It raises the cost of operating a data center. That about covers it, so this should be my shortest blog ever. While the bottom line effects are pretty straightforward, there...
Is Your Data Center PUE Just PU?

Is Your Data Center PUE Just PU?

For the benefit of anyone who may have joined the conversation somewhere in the middle, let me remind everyone that the purpose of the PUE (power usage effectiveness) metric was initially proposed to be an easy-to-use internal reference point for defining energy...
The Four Data Center Delta Ts: Dollars and Sense

The Four Data Center Delta Ts: Dollars and Sense

Data center health is frequently discussed in terms of PUE, but a PUE check-up can be sort of like checking a corpse for a pulse, particularly when we consider that an honest and educated practitioner means EUE (Energy Usage Effectiveness) when they say PUE. That is...
The Secondary Data Center Delta Ts

The Secondary Data Center Delta Ts

Data center airflow management effectiveness is most directly indicated by two temperature differential (ΔT) measurements: the temperature rise of air through IT equipment and the difference between the cooling equipment supply temperature and the return intake...

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