Heat transfer from micro-finned and flat surfaces to flow of fluorinert coolant; boiling heat transfer

Hitoshi Mizunuma*, Masud Behnia, Wataru Nakayama

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

Abstract

The present paper reports the data of forced convection boiling heat transfer from a 2 cm × 2 cm simulated chip to a fluorocarbon coolant (FX3250) in a parallel-plate channel. The experimental parameters were the channel height (1 and 5 mm), the surface of the simulated chip (flat and micro-finned), and the coolant velocity (0.125 - 4 m/s). The effectiveness of longitudinal micro-fins (0.5 mm high × 0.5 mm wide) in heat transfer enhancement was studied. The experimental results suggest that, in narrow channels, a phenomenon known as 'slugging' could cause boiling crisis at low heat flux. Also, the effect of foreign gas could be diminished in narrow channels.

Original languageEnglish
Title of host publication6th Intersociety on Thermomechanical Phenomena in Electronic Systems, ITHERM '98
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages386-391
Number of pages6
ISBN (Print)0780344758
Publication statusPublished - 1998
Externally publishedYes
EventProceedings of the 1998 6th Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITHERM - Seattle, WA, USA
Duration: 27 May 199830 May 1998

Other

OtherProceedings of the 1998 6th Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITHERM
CitySeattle, WA, USA
Period27/05/9830/05/98

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