## Abstract A numerical simulation and experimental study were carried out for evaporation heat transfer of a falling water film on a smooth horizontal tube bundle evaporator. A laminar model and a turbulence model were respectively adopted to calculate the heat transfer coefficients of falling wat
Falling-film evaporation on horizontal tubes—a critical review
✍ Scribed by Gherhardt Ribatski; Anthony M. Jacobi
- Book ID
- 108147788
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 480 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0140-7007
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Patterns of a liquid film falling across a vertical array of horizontal tubes change from droplet mode at low flow rates to liquid sheet at high flow rates. Between these limits, liquid columns form as a further stable flow pattern. The transition from one flow mode to another occurs via unstable st
A simplified theoretical approach for the prediction of evaporation (nonucleate boiling) heat transfer coefficient in a horizontal tube falling film is proposed. The correlation is derived from an analysis of the thermal boundary layer under the assumption of turbulent flow regime and taking into ac