Elliptical pressure swirl jet issuing into stagnant air

S Kasmaiee, M Tadjfar - Physics of Fluids, 2024 - pubs.aip.org
In this study, the effect of aspect ratio of elliptical cross section for a pressure swirl nozzle
injecting into stagnant air was investigated experimentally. Three elliptical nozzles with …

Effects of secondary breakup, collision dynamics, gravity and evaporation on droplet size distribution in a pressure-swirl JET A-1 spray

J Jedelský, M Malý, SK Vankeswaram, M Zaremba… - Fuel, 2024 - Elsevier
Size and velocity of droplets in pressure-swirl sprays vary with distance downstream the
nozzle. This study aims to explain the phenomena contributing to size-resolved spatial …

[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] An improved comprehensive atomization model for pressure swirl atomizers

W Qian, J Wang, X Hui, S Yang, R Cheng, P Wang - Aerospace, 2024 - mdpi.com
This study presents an improved comprehensive atomization model for a pressure swirl
atomizer. The model integrates internal flow predictions, linear instability analysis of a …

Hypergolic ignition of paraffin-based hybrid rocket fuels by sprays of liquid oxidizer

O Jobin, B Dumas, J Zahlawi… - Proceedings of the …, 2023 - Elsevier
An experimental study is conducted to measure the ignition delay of ammonia borane doped
paraffin wax with sprays of white fuming nitric acid as oxidizer. The injection pressure and …

Self-Similar Pressure-Atomized Sprays with Heat and Mass Transfer

H Steiner, H Hinterbichler, G Brenn - Industrial & Engineering …, 2023 - ACS Publications
In pressure-atomized sprays, the liquid droplets and the gas in the two-phase flow field may
exhibit self-similar properties, so that the spray flow as a whole may be described as self …

Understanding the fuel spray characteristics in the near-nozzle region for a pressure swirl atomizer

SK Vankeswaram, M Maly, J Jedelsky - Journal of Aerosol Science, 2024 - Elsevier
In the present study, an experimental investigation is carried out to analyze the Jet A-1 fuel
spray characteristics in the near-nozzle region (NNR) of a swirl atomizer for varying injection …

Spatial evolution of droplet size and velocity characteristics in a swirl spray

SK Vankeswaram, V Kulkarni, S Deivandren - International Journal of …, 2024 - Elsevier
Spray drop size distribution generated by atomization of fuel influences several facets of a
combustion process such as, fuel-air mixing, reaction kinetics and thrust generation. In a …

Non-circular pressure swirl nozzles injecting into stagnant air

S Kasmaiee, M Tadjfar - International Journal of Multiphase Flow, 2024 - Elsevier
As far as we are aware, all the previous studies have focused on circular injectors. Here, the
effect of non-circular orifice shape on pressure swirl injector was investigated …

Effect of polydispersity in droplet-driven flows

S Satheesh, P Bragança, C Cuvier… - International Journal of …, 2024 - Elsevier
Experiments were performed on agricultural flat-fan sprays to elucidate the effect of
polydisperse droplets on air induction and entrainment process using shadowgraphy and …