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Shared expertise | REF: REX38 V1

Optimising the thermal-hydraulic performance of heat exchangers

Authors: Vincent MELOT, Joris BARDOU, Jean-François SIGRIST

Publication date: September 10, 2023 | Lire en français

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    2. Project implementation-actions carried out

    2.1 Technical aspects

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    2.1.1 Modeling principle

    The proposed model is based on the phenomena observed in a shell-and-tube heat exchanger:

    • the flow inside the tubes is relatively simple to model, since it takes place mainly in the longitudinal direction: it can therefore be represented using 1D equations in this direction;

    • flow outside the tubes is more complex to model, as it presents strong spatial heterogeneities, both in hydraulic and thermal terms....

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