Performance Assessment of Double Corrugated Tubes in a Tube-In-Shell Heat Exchanger

Kristina Navickaitė*, Michael Penzel, Christian Bahl, Kurt Engelbrecht

*Corresponding author for this work

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Abstract

In this article, the performance of double corrugated tubes applied in a tube-in-shell heat exchanger is analysed and compared to the performance of a heat exchanger equipped with straight tubes. The CFD (computational fluid dynamics) analysis was performed considering a turbulent flow regime at several mass flow rates. It is observed that the double corrugated geometry does not have a significant impact on the pressure drop inside the analysed heat exchanger, while it has the potential to increase its thermal performance by up to 25%. The ε–NTU (effectiveness–number of transfer units) relation also demonstrates the advantage of using double corrugated tubes in tube-in-shell heat exchangers over straight tubes.
Original languageEnglish
Article number1343
JournalEnergies
Volume14
Issue number5
Number of pages17
ISSN1996-1073
DOIs
Publication statusPublished - 2021

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