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Data center evaluation using an air re-circulation index

DC
  • US 7,031,870 B2
  • Filed: 05/28/2004
  • Issued: 04/18/2006
  • Est. Priority Date: 05/28/2004
  • Status: Active Grant
First Claim
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1. A method for evaluating one or more components in a data center, the method comprising:

  • detecting inlet and outlet temperatures of one or more heat dissipating devices;

    detecting temperatures of air supplied by one or more computer room air conditioning (CRAC) units;

    calculating indices of air re-circulation for the one or more heat dissipating devices based upon the detected inlet temperatures, outlet temperatures and supplied air temperatures;

    varying a flow field setting of air delivered to the one or more heat dissipating devices;

    determining whether the indices of air re-circulation has changed in response to the varied flow field settings; and

    evaluating the one or more components based upon changes in the indices of air re-circulation for the one or more heat dissipating devices at the various flow field settings.

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