COTS cooling
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Greg Lindahl lindahl at keyresearch.comSun Apr 28 12:16:16 PDT 2002
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On Tue, Apr 23, 2002 at 10:00:16PM -0700, Robert B Heckendorn wrote: > 450W/dualnode * 3.4BTU/hr/W * 400 nodes = 612K BTU/hr One thing that I haven't seen anyone point out is that these nodes won't actually pull 450W in actual operation. However, you also need to spec enough additional cooling to (1) survive the failure of one of the AC units, and (2) account for the fact that the efficiency of the AC units falls over time, by as much as 30%. greg
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