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Mapping Potential Heatsink Conductance Across the Hydraulic Plane

[+] Author Affiliations
Maurice F. Holahan

IBM, Rochester, MN

Paper No. IPACK2005-73423, pp. 617-625; 9 pages
  • ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference
  • Advances in Electronic Packaging, Parts A, B, and C
  • San Francisco, California, USA, July 17–22, 2005
  • Conference Sponsors: Heat Transfer Division and Electronic and Photonic Packaging Division
  • ISBN: 0-7918-4200-2 | eISBN: 0-7918-3762-9
  • Copyright © 2005 by ASME


A systematic examination of parallel plate fin heat sink performance is carried out by means of a parametric study focussed on aluminum and copper fins in air. The objective is to find the maximum available fin conductance of fixed fin volumes as a function of hydraulic operating point. The fin pitch, height, flow length, and thickness/gap solidity are all varied. Peak volumetric conductance fin geometries are established using a search algorithm. The results are presented as a continuous mapping of peak-enabling fin geometry across the flow-pressure hydraulic operating plane. A correlation is presented showing how the peak conductance varies with pressure, fin volume, and material conductivity.

Copyright © 2005 by ASME



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