A model of liquid film breakdown formed due to impingement of a two-phase jet on a horizontal surface - Publikacja - MOST Wiedzy

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A model of liquid film breakdown formed due to impingement of a two-phase jet on a horizontal surface

Abstrakt

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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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER nr 53, strony 5456 - 5464,
ISSN: 0017-9310
Język:
angielski
Rok wydania:
2010
Opis bibliograficzny:
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:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.ijheatmasstransfer.2010.07.012
Weryfikacja:
Politechnika Gdańska

wyświetlono 17 razy

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