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A model of liquid film breakdown formed due to impingement of a two-phase jet on a horizontal surface
Abstract
The present work aims to provide an explanation to the phenomenon of breakdown of the thin liquid film created by impinging two-phase, liquid-gas jet. Existing in the literature models describe merely thebreakdown of single phase liquid films. The model presented here is based on examination of mass and energy equations under the applied criterion of the minimum of total energy. That allows to determinethe minimum thickness of isothermal, thin liquid film created by impinging two-phase jet on a solid surface. The mechanical energy of the system consists of kinetic energy of liquid film and surface energy of all physical surfaces consisting for the control surface. An analytical expression for the minimum thickness of such liquid film is derived. The liquid film thickness at the breakdown is a function of the contact angle and shear stresses on the liquid-gas interface. Some comparisons with the experimental data areshown exhibiting a good performance of the postulated model.
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ijheatmasstransfer.2010.07.012
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
no. 53,
pages 5456 - 5464,
ISSN: 0017-9310 - Language:
- English
- Publication year:
- 2010
- Bibliographic description:
- Mikielewicz J., Mikielewicz D., Gumkowski S.: A model of liquid film breakdown formed due to impingement of a two-phase jet on a horizontal surface// INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER. -Vol. 53, nr. iss. 23-24 (2010), s.5456-5464
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.ijheatmasstransfer.2010.07.012
- Verified by:
- Gdańsk University of Technology
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