NDLI: Modeling of the thermal and hydraulic performance of plate fin, strip fin, and pin fin heat sinks-influence of flow bypass

Content Provider	IEEE Xplore Digital Library
Author	Jonsson, H. Moshfegh, B.
Copyright Year	2000
Description	Author affiliation: Dept. of Energy Technol., R. Inst. of Technol., Stockholm, Sweden (Jonsson, H.)
Abstract	Tests have been conducted in a wind tunnel with seven types of heat sinks including plate fin, strip fill, and pin fin heat sinks. In the case of strip fin, and pin fin heat sinks, both inline and staggered arrays have been studied. The pin fin heat sinks had circular and square cross-sections. For each type, tests were run with fin heights (H) of 10, 15, and 20 mm while the heat sink width (B) was kept constant and equal to 52.8 mm. In total, 42 different heat sinks were tested. The width of the wind tunnel duct (CB) was varied in such a way that results were obtained for B/CB=0.84, 0.53, and 0.33. The wind tunnel height (CH) was varied similarly, and data were recorded for H/CH=1, 0.67, and 0.33 while the duct Reynolds number was varied between 2000 through 14000. An empirical bypass correlation has been developed for the different fin designs. The correlation predicts the Nusselt number and the dimensionless pressure drop and takes into account the influence of duct height, duct width, fin height, fin thickness, and fin-to-fin distance. The correlation parameters are individual for each fin design. Further, a physical bypass model for plate fin heat sinks has been developed to describe the bypass effect.
Starting Page	185
Ending Page	192
File Size	726151
Page Count	8
File Format	PDF
ISBN	0780359127
ISSN	10899870
DOI	10.1109/ITHERM.2000.866825
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Strips Heat sinks Ducts Computational fluid dynamics Thermal resistance Thermodynamics Refrigeration Flow production systems System testing Heat transfer
Content Type	Text
Resource Type	Article

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