General presentation
Heat exchangers - Heat transfer enhancement

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BE9518 V1 Quizzed article

General presentation
Heat exchangers - Heat transfer enhancement

Authors : Philippe BANDELIER, Nadia CANEY, Zoé MINVIELLE

Review date: April 26, 2021 | Lire en français

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1. General presentation

The well-known relationship between the heat flux or power exchanged Φ and the mean logarithmic temperature difference DTLM (see article Heat exchangers. Definitions and general principles[BE 9 515]) is expressed by :

Φ=KS DTLM 

with :

K
 : 
(W · m–2· K–1) global exchange coefficient,
S
 : 
(m2)...
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