Collisions of droplets on spherical particles

G Charalampous, Y Hardalupas - Physics of Fluids, 2017 - pubs.aip.org
The spray drying process is widely used to convert liquid slurry to dry particles for the
manufacture of a range of products, including foodstuffs, like instant coffee and powdered …

Large scale instabilities in coaxial air-water jets with annular air swirl

A Kumar, S Sahu - Physics of Fluids, 2019 - pubs.aip.org
The aim of this paper is to characterize large-scale instabilities during the primary breakup
process in liquid centered coaxial air-water jets. The interest here is to investigate the role of …

Liquid jet disintegration memory effect on downstream spray fluctuations in a coaxial twin-fluid injector

A Kumar, S Sahu - Physics of Fluids, 2020 - pubs.aip.org
This paper intends to investigate the influence of unsteadiness in the liquid jet disintegration
process on downstream fluctuations of spray characteristics in a coaxial twin-fluid injector …

Proper orthogonal decomposition of primary breakup and spray in co-axial airblast atomizers

G Charalampous, C Hadjiyiannis, Y Hardalupas - Physics of Fluids, 2019 - pubs.aip.org
The primary atomization of a liquid jet by a coaxial stream of high speed gas is analyzed by
means of Proper Orthogonal Decomposition (POD) for gas to liquid momentum ratios (MR) …

Linear stability analysis of surface waves of liquid jet injected in transverse gas flow with different angles

S Kasmaiee, M Tadjfar, S Kasmaiee… - … and Computational Fluid …, 2024 - Springer
A theoretical and experimental study was conducted to investigate the effect of injection
angle on surface waves. Linear stability theory was utilized to obtain the analytical relation …

PIV based POD analysis of coherent structures in flow patterns generated by triple interacting buoyant plumes

S Yin, Y Fan, M Sandberg, Y Li - Building and Environment, 2019 - Elsevier
The paper performs an investigation on multi-scale coherent structures that exist in different
flow patterns of triple interacting plumes. Time-averaged and turbulent flow characteristics …

Large scale unsteadiness during self-pulsation regime in a swirl coaxial injector and its influence on the downstream spray statistics

SK Sahoo, H Gadgil - International Journal of Multiphase Flow, 2022 - Elsevier
The focus of the present paper is to understand the large scale unsteadiness in the
atomization of swirl coaxial jets and correlate it with the downstream spray statistics. A gas …

Spatio-temporal dynamics and disintegration of a fan liquid sheet

M Broumand, A Asgarian, M Bussmann… - Physics of …, 2021 - pubs.aip.org
The dynamic behavior and disintegration mechanisms of a fan liquid sheet in a quiescent
atmosphere are investigated over a broad range of differential injection pressures up to Δ …

Study on instability of circular liquid jets at subcritical to supercritical conditions using dynamic mode decomposition

D Ayyappan, A Vaidyanathan - Physics of Fluids, 2020 - pubs.aip.org
The thermodynamic and fluid-dynamic properties associated with the injectant jet
significantly influence its fluid dynamic characteristics. In most of the earlier studies on the …

Liquid jet primary breakup in a turbulent cross-airflow at low Weber number

M Broumand, M Birouk - Journal of fluid mechanics, 2019 - cambridge.org
The influence of turbulence characteristics of a cross-airflow including its velocity
fluctuations and integral length and time scales on the primary breakup regime, trajectory …