Accounting for the effect of the heat exchanger length in the performance evaluation of compact fin and tube heat exchangers

Often a performance evaluation criterion (PEC) is used to compare different fin geometries. Based on several assumptions and imposed constraints, the PEC can predict the performance of a heat exchanger using the considered fin geometry. One of these assumptions is that the fin characteristics are in...

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Bibliographic Details
Published in:Applied thermal engineering 2014-04, Vol.65 (1-2), p.544-553
Main Authors: Ameel, Bernd, Degroote, Joris, T'Joen, Christophe, Huisseune, Henk, De Schampheleire, Sven, Vierendeels, Jan, De Paepe, Michel
Format: Article
Language:English
Subjects:
Applied sciences
CFD
Devices using thermal energy
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Heat exchanger
Heat exchangers (included heat transformers, condensers, cooling towers)
Heat transfer
Optimization
PEC
Performance evaluation
Theoretical studies. Data and constants. Metering
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Summary:Often a performance evaluation criterion (PEC) is used to compare different fin geometries. Based on several assumptions and imposed constraints, the PEC can predict the performance of a heat exchanger using the considered fin geometry. One of these assumptions is that the fin characteristics are independent of the heat exchanger length. Different fin geometries however result in heat exchanger designs with different lengths. In this work the effect of the length is investigated for compact (Dh 
ISSN:1359-4311
DOI:10.1016/j.applthermaleng.2014.01.061