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 …

Influence of nozzle geometry on primary and large-scale instabilities in coaxial injectors

A Kumar, S Sahu - Chemical Engineering Science, 2020 - Elsevier
Detailed knowledge on liquid jet instabilities is important to improve the performance of
coaxial injectors, which find wide range of industrial applications. The present paper aims to …

Research progress of jet washing technology and its exploratory decoking application in delayed coking process

F Lv, B Wang, S Yan, Y Zhu, Q Yu… - Reviews in Chemical …, 2024 - degruyter.com
Considering the distinctive features of the delayed coking process and taking into account
various particulate matter control technologies, the feasibility of using jet washing …

Preheated liquid jet breakup dynamics in a twin-fluid injector

A Kumar, S Sahu - Chemical Engineering Science, 2022 - Elsevier
This paper aims to investigate the influence of liquid preheating on primary jet breakup in a
coaxial twin-fluid injector. The injector was operated over a broad range of conditions. Three …

Spray formation by a rotary atomizer operating in the coriolis-induced stream-mode injection

S Rezayat, M Farshchi - Atomization and Sprays, 2019 - dl.begellhouse.com
An experimental investigation of the primary breakup and spray characteristics of a rotary
atomizer with round radial discharge channels operating in the Coriolis-induced stream …

Breakup of a laminar liquid jet by coaxial non-swirling and swirling air streams

Y Liang, LC Johansen, M Linne - Physics of Fluids, 2022 - pubs.aip.org
This paper describes an experimental study on shear-based spray formation. A laminar
liquid jet was ejected inside co-annular non-swirling and swirling air streams. The …

Insight into liquid jet atomization in a swirling crossflow airblast injector: Application of a multi-directional imaging technique

S Patil, S Sahu - International Journal of Multiphase Flow, 2023 - Elsevier
This paper aims to investigate the mechanism of breakup of a transversely injected liquid jet
due to swirling cross-stream flow of air in a model airblast injector. The focus is especially on …

Instability breakup model of power-law fuel annular jets in slight multiple airflows

JP Guo, YB Wang, FQ Bai, Q Du - Physics of Fluids, 2020 - pubs.aip.org
In this paper, a temporal instability model has been derived to explore the influence of slight
multiple airflow movements for the power-law fuel annular jet. Adopting the method of linear …

Whole-field density visualization and abel reconstruction of axisymmetric vortex rings

J Sznitman, T Rosgen - Journal of Flow Visualization and …, 2006 - dl.begellhouse.com
We present a simple non-invasive optical measurement technique to obtain two-
dimensional qualitative and quantitative visualizations of axisymmetric vortex rings. The CO …