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Transition from dripping to jetting

CLANET, CHRISTOPHE, LASHERAS, JUAN C.·1999·Journal of Fluid Mechanics

Abstract

We consider the critical Weber number (Wec≡ ρ V20D/σ) at which the transition from dripping to jetting occurs when a Newtonian liquid of density ρ and surface tension σ is injected with a velocity V0 through a tube of diameter D downward into stagnant air, under gravity g. We extend Taylor's (1959) model for the recession speed of a free edge, and obtain in the inviscid limit an exact solution which includes gravity and inertia effects. This solution provides a criterion for the transition which is shown to occur at a critical Weber number formula here where Bo and Boo are the Bond numbers (Bo≡[ρg D2/(2σ)]1/2), respectively based on the inside and outside diameter of the tube, and K is a constant equal to 0.37 for the case of water injected in air. This critical Weber number is shown to be in good agreement with existing experimental values as well as with new measurements performed over a wide range of Bond numbers.

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Metadata

Authors
CLANET, C., & LASHERAS, J. C.
Venue
Journal of Fluid Mechanics
Published
1999-03-25
Volume
383
Pages
307-326
ISSN
  • 0022-1120 (ISSN-L)
  • 1469-7645
OpenAlex
W2143453560
Cited by
381
References
0
FWCI
1.90
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Transition from dripping to jetting. https://app.cochat.ai/papers/10.1017/s0022112098004066
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CLANET, C., & LASHERAS, J. C. (1999). Transition from dripping to jetting. Journal of Fluid Mechanics. https://doi.org/10.1017/s0022112098004066

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