Aerodynamic droplet atomization model (ADAM)

IM Jackiw, N Ashgriz - Journal of Fluid Mechanics, 2023 - cambridge.org
The present work studies low viscosity twin-fluid atomization experimentally and analytically
to characterize and predict the droplet size distribution of the spray. The study is based on …

Stability of an air–water mixing layer: focus on the confinement effect

C Bozonnet, JP Matas, G Balarac… - Journal of Fluid …, 2022 - cambridge.org
The shear instability occurring at the interface between a slow water layer and a fast air
stream is a complex phenomenon driven by momentum and viscosity differences across the …

Numerical simulations of air-assisted primary atomization at different air-to-liquid injection angles

F Zhang, T Zirwes, S Wachter, T Jakobs… - International Journal of …, 2023 - Elsevier
Numerical simulations have been performed for a coaxial, twin-fluid nozzle to study the
influence of the angle α between the central liquid jet and the annular airflow on the primary …

A computational study of a two-fluid atomizing coaxial jet: Validation against experimental back-lit imaging and radiography and the influence of gas velocity and …

L Vu, N Machicoane, D Li, TB Morgan… - International Journal of …, 2023 - Elsevier
Numerical simulations of liquid atomization in a two-fluid coaxial geometry have been
performed using a geometric Volume-of-Fluid method. Experimental measurements have …

Two-fluid coaxial atomization in a high-pressure environment

KO Fong, X Xue, R Osuna-Orozco… - Journal of Fluid …, 2022 - cambridge.org
We study the dynamics of atomization of a liquid column by a coaxial gas flow with varying
gas pressures. Specifically, we analyse how the gas density increase associated with …

[HTML][HTML] A computational methodology to account for the liquid film thickness evolution in Direct Numerical Simulation of prefilming airblast atomization

R Payri, FJ Salvador, M Carreres… - International Journal of …, 2023 - Elsevier
Prefilming airblast atomization is becoming widely used in current aero engines.
Fundamental studies on the actual annular configuration of airblast atomizers are difficult to …

Effect of gas viscosity on the interfacial instability development in a two-phase mixing layer

T Azad, Y Ling - International Journal of Multiphase Flow, 2024 - Elsevier
The interfacial instability in a two-phase mixing layers between parallel gas and liquid
streams is important to two-phase atomization. Depending on the inflow conditions and fluid …

Analysis of liquid column atomization by annular dual-nozzle gas jet flow

D Choi, J Byun, H Park - Journal of Fluid Mechanics, 2022 - cambridge.org
The atomization of a water column by a gas jet flow (Reynolds number) issued from a two-
stage annular nozzle is investigated experimentally. Varying the nozzle geometry, the …

Global dynamics and topology of two-phase mixing layer flow through simultaneous gas and liquid velocity measurements

A Della Pia, T Michelis, M Chiatto… - Journal of Fluid …, 2024 - cambridge.org
This study reports the first time-resolved particle image velocimetry characterization of a
planar two-phase mixing layer flow, whose velocity field is measured simultaneously in gas …

Breakup of planar liquid sheets injected at high speed in a quiescent gas environment

M Ananth, MF Trujillo - Journal of Fluid Mechanics, 2023 - cambridge.org
Using a combination of mean flow spatial linear stability and two-dimensional volume-of-
fluid (VoF) simulations, the physics governing the instability of high-speed liquid sheets …