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Evaporating characteristics of a microlayer under a bubble

✍ Scribed by C.H. Li; X.F. Peng; Z.M. Li

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
274 KB
Volume
31
Category
Article
ISSN
1099-2871

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✦ Synopsis

Abstract

Using the Hallinan‐Ervin model, the flow and evaporation in a bubble microlayer were theoretically analyzed, and the dryout characteristics and Staub's criterion were discussed in detail. It was revealed that the critical dryout radius is associated with the wettability of the heated surface, and that the dominant role for microlayer evaporation is disjoining pressure, not surface tension gradient. Β© 2002 Wiley Periodicals, Inc. Heat Trans Asian Res, 31(6): 456–462, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/htj.10052

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Microlayer thickness under a vapor bubbl
Microlayer thickness under a vapor bubble on a cylindrical probe
✍ D.M. Christopher; X.F. Peng; B.X. Wang πŸ“‚ Article πŸ“… 2000 πŸ› John Wiley and Sons 🌐 English βš– 81 KB

The thickness of a liquid microlayer underneath a vapor bubble on a heated, cylindrical probe was determined by simultaneously solving the fourth-order differential equation for the microlayer thickness that incorporates the momentum and energy equations in the microlayer in conjunction with the pre