NDLI: An experimental investigation of a staggered array of heatsinks in the hydrodynamic and thermal entrance regions of a duct

Content Provider	IEEE Xplore Digital Library
Author	Bazydola, S.M. Taslim, M.
Copyright Year	1992
Description	Author affiliation: Digital Equipment Corp., Maynard, MA, USA (Bazydola, S.M.)
Abstract	Experimental research was carried out to develop correlations that can be used to predict heat transfer coefficients and thus temperatures of electronic packages in a staggered array in the hydrodynamic and thermal entrance regions of a duct. The ten components in the array are mounted on one wall of the duct to simulate a printed circuit board in a card cage. Results are presented for three values of Reynolds number (20250, 50000, and 65000) for a range of H/B (duct height to package height ratio) from one to five by increments of two while L/D (longitudinal to latitudinal spacing) is varied from one to three by increments of 0.5. Comparisons are made between upstream and downstream packages. It was determined that one correlation could be used to predict the Nusselt number for upstream heatsinks. This correlation is a function of Reynolds number and H/B. The results also indicate that three correlations are necessary to predict the Nusselt number of downstream heatsinks.
Starting Page	213
Ending Page	218
File Size	378545
Page Count	6
File Format	PDF
ISBN	0780305035
DOI	10.1109/ITHERM.1992.187766
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-02-05
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heat sinks Hydrodynamics Heat transfer Ducts Temperature Consumer electronics Electronic packaging thermal management Printed circuits Thermal engineering Mechanical engineering
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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