A model for bubble-to-jet transition at a submerged orifice

A new theoretical model of the transition between bubbling and jetting at a single submerged orifice has been developed. The model considers the force balance on a film of liquid adjacent to the gas core at the onset of jetting, and estimates the thickness of the film by drawing the analogy with sur...

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Bibliographic Details
Published in:Chemical engineering science 1999-09, Vol.54 (18), p.4053-4060
Main Authors: Sundar, R., Tan, R.B.H.
Format: Article
Language:English
Subjects:
Bubble
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Jet
Multiphase and particle-laden flows
Nonhomogeneous flows
Orifice
Physics
Transition
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Description
Summary:A new theoretical model of the transition between bubbling and jetting at a single submerged orifice has been developed. The model considers the force balance on a film of liquid adjacent to the gas core at the onset of jetting, and estimates the thickness of the film by drawing the analogy with surface waves in gas–liquid annular flow. The model predictions correlated very well with experimental data from the present work and from published sources.
ISSN:0009-2509
1873-4405
DOI:10.1016/S0009-2509(99)00152-9