Resolving the initial spray structure of fire sprinklers with a volume-of-fluid modeling

T Kim - Fire safety journal, 2022 - Elsevier
The initial spray formation process of commercial fire sprinklers was investigated with a
Large-eddy simulation and a Volume-of-Fluid model. The water-supply flow rate was set to …

Visualization of features of atomizing circular liquid sheet using simultaneous Volume Laser-Induced Fluorescence

CS Vegad, A Kumar, SR Chakravarthy - Experimental Thermal and Fluid …, 2020 - Elsevier
Present work is an experimental investigation of primary atomization of a radially expanding
circular liquid sheet produced from a cylindrical vertical water jet issuing out from the …

Experimental and model investigation of spreading characteristics of the liquid sheet formed by jet impinging on a circular plane

T Kang, Q Yu, Z Liu, S Tao - Physics of Fluids, 2024 - pubs.aip.org
The focus of this paper is on the spreading characteristics of the liquid sheet formed by jet
impinging on a circular plane. The liquid sheet is studied in two parts: the liquid film that …

Rim dynamics and instability of a curved liquid sheet formed by jet impinging on a circular plane

T Kang, Q Yu, Z Liu, S Tao - Physics of Fluids, 2024 - pubs.aip.org
The free liquid sheet formed by jet impingement often has a certain bending, and this paper
focuses on the influence of this bending on the rim dynamics and instability. The derivations …

Dynamics of free-surface mutually perpendicular twin liquid sheets and their atomization characteristics

CS Vegad, A Kumar, SR Chakravarthy - Physics of Fluids, 2019 - pubs.aip.org
The radially expanding twin (circular and vertical) liquid sheets produced by impingement of
a vertical cylindrical liquid jet onto a horizontally placed cone-disk deflector with a single slot …

Experimental study of a free-surface circular liquid sheet using planar laser-induced fluorescence

CS Vegad, A Kumar, SR Chakravarthy - Experiments in Fluids, 2020 - Springer
This work presents an experimental study of various spatiotemporal events leading to the
primary atomization of a radially expanding circular liquid sheet. A cylindrical liquid (water) …

On the Rayleigh-Taylor instability induced atomization

K Dhivyaraja, M Jegan, M Vadivukkarasan - International Journal of …, 2021 - Elsevier
A new atomization method to destabilize an annular liquid sheet ejected from a gas turbine
engine injector, called the Rayleigh-Taylor instability induced atomization (RTA) is …

Experimental study on spray breakup in turbulent atomization using a spiral nozzle

O Krištof, P Bulejko, T Svěrák - Processes, 2019 - mdpi.com
Spiral nozzles are widely used in wet scrubbers to form an appropriate spray pattern to
capture the polluting gas/particulate matterwith the highest possible efficiency. Despite this …

How to tame a free non-laminar Savart sheet into individual jets?

SOT Salah, G Chouk, A Duchesne, N De Cock… - International Journal of …, 2022 - Elsevier
In this article, we study the division of a non-laminar Savart sheet into individual jets by
mean of local disturbances. We paint a precise portrait of a free non-laminar Savart sheet …

[PDF][PDF] Proper Orthogonal Decomposition of Atomizing Free-Surface Circular Liquid Sheet

CS Vegad, NA Baraiya, SR Chakravarthy… - … Conference on Liquid …, 2021 - journals.ed.ac.uk
The most dominant events associated with expanding thin circular liquid sheet breakup
dynamics are extracted and quantified using proper orthogonal decomposition (POD). The …