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A Numerical Technique for the Approximation of Thermal Zones

[+] Author Affiliations
Vanessa López, Hendrik F. Hamann

IBM T. J. Watson Research Center, Yorktown Heights, NY

Paper No. IPACK2011-52213, pp. 637-644; 8 pages
doi:10.1115/IPACK2011-52213
From:
  • ASME 2011 Pacific Rim Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Systems
  • ASME 2011 Pacific Rim Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Systems, MEMS and NEMS: Volume 2
  • Portland, Oregon, USA, July 6–8, 2011
  • ISBN: 978-0-7918-4462-5
  • Copyright © 2011 by ASME

abstract

The concept of thermal zones has been proposed in recent years as a means for providing operational information regarding which physical areas (or zones) in a data center are being supplied by the different air conditioning units, in order to gain insights as to optimal use of cooling equipment [1, 2]. One methodology for computing such thermal zones consists of explicit tracing of streamlines of an air velocity field [2]. In the present work, we propose an alternative technique which does not require explicit tracing of streamlines. Specifically, the problem of identifying thermal zones is being formulated as a boundary value problem for convective transport. Using a numerical method capable of solving convection-dominated problems accurately leads to identification of the zones by a simple postprocessing of the numerical solution of the boundary value problem, making the procedure convenient to apply, especially in three-dimensional domains.

Copyright © 2011 by ASME

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