Ultrasonic atomization of liquids: Stability analysis of the viscous liquid film free surface
(1998) Atomization and Sprays — Vol. 8, n° 2, p. 217-233 (1998)
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- Abstract
- One of the fundamental steps in the process of liquid fan ultrasonic atomization is the hydrodynamic instability. The resulting surface,waves become unstable and tear. This causes a mist of uniform droplets to be formed and ejected. The study of ideal liquid film free surface behavior in the steps prior to droplet formation leads to a stability analysis based on the Mathieu-Hill equation. Unfortunately, a similar analysis cannot realistically be developed for a viscous liquid. The present work performs a linear analysis derived from the hydrodynamics, which allows a stability analysis of viscous bounded liquid film free surface. Actual results are compared to those obtained in the case of an inviscid fluid.
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Sindayihebura, D., & Bolle, L. (1998). Ultrasonic atomization of liquids: Stability analysis of the viscous liquid film free surface. Atomization and Sprays, 8(2), 217-233. https://hdl.handle.net/2078.5/141607 (Original work published 1998)