Fin shape effects in turbulent heat transfer in tubes with helical fins

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Authors
Kim, Je-Hoon.
Issue Date
2000-12
Type
Electronic thesis
Thesis
Language
ENG
Keywords
Mechanical engineering
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Abstract
From both local and global analysis of the flow field and heat transfer, it was indicated that significant variations (as much as 20%) in both friction factors and Nusselt numbers can occur depending on small changes in fin profile in microfin tubes. A complete set of local flow visualization results and analysis for four different fin shapes are presented to help explain governing flow mechanisms which cause this phenomenon.
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December 2000
School of Engineering
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Rensselaer Polytechnic Institute, Troy, NY
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