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- Title
An engineering model of heat transfer through a turbulent falling liquid film for a condensing vapor flow.
- Authors
Eskin, Dmitry
- Abstract
An engineering model of heat transfer through a turbulent falling liquid film for a condensing (or evaporating) vapor flow is suggested. A simple correlation for the eddy diffusivity, based on the Barenblatt's hypothesis of incomplete similarity, is employed for description of momentum and heat transfer across the liquid film. An equation for the dimensionless heat transfer coefficient at a substantial interfacial shear stress is obtained and successfully validated by experimental data available in open literature. • Heat transfer through a liquid film for a condensing vertical vapor flow is modeled. • The eddy diffusivity across a liquid film is calculated by Barenbatt's equation. • The heat transfer model accounts for an effect of the interfacial shear stress. • The model is validated by found experimental data for water vapor condensation.
- Subjects
TURBULENT heat transfer; LIQUID films; HEAT engineering; FALLING films; ENGINEERING models
- Publication
Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers Part A, 2022, Vol 187, p1
- ISSN
0263-8762
- Publication type
Article
- DOI
10.1016/j.cherd.2022.08.047