Boiling of FC-72 on straight pin fin
Journal Article
·
· International Communications in Heat and Mass Transfer
- National Taiwan Univ., Taipei (Taiwan, Province of China). Dept. of Chemical Engineering
This paper deals with an experimental investigation of pin fin boiling of saturated and subcooled FC-72 under atmospheric pressure. Fin base temperature and heat flux data are measured along with the fin tip temperature. The basic features of boiling stability of fluorocarbon boiling on pin fin has been reported for the first time. For a given liquid/heating surface combination there exist upper steady-state (USS) branch and lower steady-state (LSS) branch, and a large, unstable regime located in between. Zones with different stability characteristics are mapped according to boiling on fins with different aspect ratios. Liquid subcooling can largely enhance heat transfer performance. A longer fin can provide a safer operation.
- OSTI ID:
- 343663
- Journal Information:
- International Communications in Heat and Mass Transfer, Journal Name: International Communications in Heat and Mass Transfer Journal Issue: 3 Vol. 26; ISSN 0735-1933; ISSN IHMTDL
- Country of Publication:
- United States
- Language:
- English
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