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 …

Data-driven modelling of spray flows: current status and future direction

F Salehi, A Beheshti, E Eftekharian, L Chen… - Journal of the Energy …, 2025 - Elsevier
Spray flows are crucial in a variety of engineering applications across sectors such as
energy and mobility, particularly in enhancing the performance of internal combustion …

[HTML][HTML] Primary spray breakup from a nasal spray atomizer using volume of fluid to discrete phase model

K Shrestha, J Van Strien, DF Fletcher, K Inthavong - Physics of Fluids, 2023 - pubs.aip.org
Spray atomization process involves complex multi-phase phenomena. Abundant literature
and validation of spray modeling for industrial applications like fuel injection in internal …

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 …

Liquid jet breakup and spray formation with annular swirl air

SK Soni, PS Kolhe - International Journal of Multiphase Flow, 2021 - Elsevier
Spray formation is important for liquid fuel combustion from the perspective of emissions and
sustaining combustion. Employing swirl flow increases turbulent intensity, which leads to a …

Investigation of the fluctuating velocity in a single-cell tornado-like vortex based on coherent structure extraction

H Zhang, H Wang, Z Xu, Z Liu, BC Khoo - Physics of Fluids, 2023 - pubs.aip.org
Fluctuating velocity plays an essential role in tornadic winds and the induced transient
loads, while its characteristics are rarely considered in existing tornado models. Based on …

Phase proper orthogonal decomposition of non-stationary turbulent flow

Y Zhang, A Hodžić, F Evrard, B Van Wachem… - Physics of …, 2023 - pubs.aip.org
A phase proper orthogonal decomposition (phase POD) method is demonstrated utilizing
phase averaging for the decomposition of spatiotemporal behavior of statistically non …

A spray of puree: Wave-augmented transonic airblast non-Newtonian atomization

DM Wilson, W Strasser - Physics of Fluids, 2022 - pubs.aip.org
Characterization of viscous, non-Newtonian atomization by means of internal waves is
presented for a twin-fluid injector. Atomization of such fluids is challenging, especially at low …

Influence of steady and oscillating swirl on the near-field spray characteristics in a two-fluid coaxial atomizer

N Machicoane, G Ricard, R Osuna-Orozco… - International Journal of …, 2020 - Elsevier
The mechanisms of interfacial instability due to gas-liquid shear and liquid ligament
acceleration that occurs in the near-field of a coaxial two-fluid atomizer play a determining …

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 …