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Old 10-07-2015, 05:46 AM
Deepika Behal Deepika Behal is offline
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Default Common Airflow Management Mistakes

Common Airflow Management Mistakes
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Old 10-07-2015, 06:50 PM
walkinthecloud walkinthecloud is offline
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1. Phantom leakage: This is leakage of cold air from the plenum under the raised floor into adjacent spaces or into support columns. Phelps says such breaches are fairly common and cause everything from loss of pressure in the IT environment to allowing warm, dusty or humid air from elsewhere to enter. The only way to avoid this problem is to go under the raised floor, inspect the perimeter and support columns and seal any holes you may find.

2. Too many perforated tiles: There is absolutely no reason to have perforated tiles in hot aisles and whitespace areas. It is a waste of cooling capacity. It is also possible to have too many perforated tiles on the intake side of the racks. One red flag is lower-than-normal air temperature at the top of IT racks, Phelps said.

3. Unsealed raised-floor openings: While many data center operators have made an effort to seal cable openings and other holes in their raised floors, very few have actually finished the job, Strong says. The holes that are left over can cause a lot of cold air to escape into areas where it is unneeded. One particularly important place to look for unsealed openings is under electrical gear, such as power distribution units or remote power panels.
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Old 05-10-2016, 10:47 AM
adilkhan009 adilkhan009 is offline
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3 common airflow management mistakes include overcooling, overabundant perf tiles, and poor rack layout.
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Old 06-07-2016, 12:55 PM
adilkhan009 adilkhan009 is offline
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For those of you struggling to get a handle on airflow management in your data center, here are 3 common pitfalls that facility managers make in their quest for lower rack temperatures. 1) Overcooling [wastes money] 2) Overabundance of perforated tiles [depletes underfloor plenum pressure] 3) Poor rack layout [causes warm and cool air to mix].
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