Spray characteristics of standard and alternative aviation fuels at high ambient pressure conditions

D Shin, A Satija, RP Lucht - Experimental Thermal and Fluid Science, 2022 - Elsevier
The spray characteristics of standard and alternative aviation fuels generated by a hybrid
pressure-swirl airblast (HPSA) atomizer were investigated at high ambient pressure …

Distribution of liquid mass in transient sprays measured using laser-plasma-driven x-ray tomography

D Guénot, K Svendsen, B Lehnert, H Ulrich… - Physical Review …, 2022 - APS
We report, the use of laser-plasma-driven x rays to reveal the three-dimensional (3D)
structure of a highly atomizing water spray. Soft x rays approximately 5 keV are generated by …

[HTML][HTML] Droplet size, spray structure and droplet velocity mapping in hollow cone sprays using SLIPI-based techniques

VV Swami, KA Buist, MW Baltussen, L de Graaf… - Chemical Engineering …, 2024 - Elsevier
Abstract The Structured Laser Illumination Planar Imaging (SLIPI) technique received
significant attention in recent years due to notable improvements in the measurement of …

[HTML][HTML] Denoising and fuel spray droplet detection from light-scattered images using deep learning

VR Hasti, D Shin - Energy and AI, 2022 - Elsevier
A deep learning-based method for denoising and detecting the gas turbine engine spray
droplets in the light-scattered image (Mie scattering) is proposed for the first time. A modified …

3D mapping of droplet Sauter mean diameter in sprays

YN Mishra, M Koegl, K Baderschneider, B Hofbeck… - Applied Optics, 2019 - opg.optica.org
In this study, we report on the three-dimensional (3D) characterization of a spray in terms of
its droplet Sauter mean diameter (SMD) using the laser-induced fluorescence (LIF)/Mie ratio …

Optimization of planar LIF/Mie imaging for droplet sizing characterization of dilute sprays

S Garcia, P Doublet, C Lempereur, G Illac, M Stiti… - Experiments in …, 2023 - Springer
The aim of this work is to investigate the planar LIF/Mie droplet sizing technique from an
experimental and theoretical point of view. This technique is a good alternative compared to …

Polarization-dependent LIF/Mie ratio for sizing of micrometric ethanol droplets doped with Nile red

M Koegl, H Dai, K Baderschneider, H Ulrich, L Zigan - Applied Optics, 2022 - opg.optica.org
The present study deals with droplet sizing based on laser-induced fluorescence (LIF) and
Mie scattering for varied polarization of the utilized laser (parallel or perpendicular). The …

Visualization of liquid ammonia spray using 2p-SLIPI and comparison of liquid ammonia spray and gaseous ammonia combustion in a swirl combustor at atmospheric …

H Yamashita, A Hayakawa, K Oku, S Colson, G Reibel… - Fuel, 2024 - Elsevier
Ammonia fuel is expected to contribute not only to the decarbonization of society but also the
stabilization of the global energy situation. Liquid ammonia (LNH 3) spray combustion is an …

Two-photon fluorescence laser sheet imaging for high contrast visualization of atomizing sprays

E Berrocal, C Conrad, J Püls, CL Arnold… - OSA …, 2019 - opg.optica.org
Two-photon excitation laser induced fluorescence (2p-LIF) is used here for imaging an
optically dense atomizing spray. The main advantage of the approach is that very little …

Application of SLIPI-based techniques for droplet size, concentration, and liquid volume fraction mapping in sprays

YN Mishra, T Tscharntke, E Kristensson, E Berrocal - Applied Sciences, 2020 - mdpi.com
Structured laser illumination planar imaging (SLIPI)-based techniques have been employed
during the past decade for addressing multiple light scattering issues in spray imaging. In …