Boiling mixtures
Phase change heat transfer .Pool boiling

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BE8235 V2 Article

Boiling mixtures


Phase change heat transfer .Pool boiling

Authors : Jocelyn BONJOUR, Monique LALLEMAND

Publication date: January 10, 2021 | Lire en français

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3. Boiling mixtures

Many industrial applications involve the use of mixtures of two or more pure substances. Boiling is widely used for mixtures for the purpose of body separation, e.g. for solvent recovery, seawater distillation, petrochemical processes, etc. In mixtures, heat and mass transfer are closely linked, which generally slows down interfacial mass transfer. Even for the simplest mixtures, i.e. binary mixtures, the phase change mechanisms are complex, making it difficult to predict heat transfer. Although in most cases the exchange coefficients are reduced compared with pure bodies, improvements are possible for certain fluids.

3.1 Phase equilibrium of mixtures

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