Alternative Sizing Methodology for Compact Heat Exchangers of the Spiral Type

A rapid sizing methodology for compact heat exchangers of the spiral plate type is presented. The methodology allows for the determination of the exchanger geometry such that full pressure drop utilization is achieved on both streams. This is done by considering plate width and plate spacing as cont...

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Bibliographic Details
Published in:Heat transfer engineering 2009-08, Vol.30 (9), p.744-750
Main Authors: Picón-Núñez, Martín, Canizalez-Dávalos, Lázaro, Medina-Flores, José Martín
Format: Article
Language:English
Subjects:
Applied sciences
Devices using thermal energy
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Heat exchangers
Heat exchangers (included heat transformers, condensers, cooling towers)
Heat transfer
Methods
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Summary:A rapid sizing methodology for compact heat exchangers of the spiral plate type is presented. The methodology allows for the determination of the exchanger geometry such that full pressure drop utilization is achieved on both streams. This is done by considering plate width and plate spacing as continuous variables. The resulting values are the basis for selecting the final exchanger dimensions according to standard dimensions. The design approach makes use of empirical correlations for the calculation of heat transfer coefficient and friction factor based on average curvature. The approach is demonstrated using two case studies.
ISSN:0145-7632
1521-0537
DOI:10.1080/01457630802678508