Modeling heat efficiency, flow and scale-up in the corotating disc scraped surface heat exchanger

Alan Friis, Peter Szabo, Torben Karlson

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A comparison of two different scale corotating disc scraped surface heat exchangers (CDHE) was performed experimentally. The findings were compared to predictions from a finite element model. We find that the model predicts well the flow pattern of the two CDHE's investigated. The heat transfer performance predicted by the model agrees well with experimental observations for the laboratory scale CDHE whereas the overall heat transfer in the scaled-up version was not in equally good agreement. The lack of the model to predict the heat transfer performance in scale-up leads us to identify the key dimensionless parameters relevant for scale-up.
Original languageEnglish
JournalJournal of Food Process Engineering
Volume25
Issue number4
Pages (from-to)285-305
ISSN0145-8876
DOIs
Publication statusPublished - 2002

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