Uncertainty quantification analysis of Reynolds-averaged Navier–Stokes simulation of spray swirling jets undergoing vortex breakdown

J Liberatori, RM Galassi, M Valorani… - … Journal of Spray and …, 2023 - journals.sagepub.com
The computational fluid dynamics-based design of next-generation aeronautical combustion
chambers is challenging due to many geometrical and operational parameters to be …

Direct numerical simulation of vortex breakdown in evaporating dilute sprays

J Liberatori, F Battista, F Dalla Barba… - Flow, Turbulence and …, 2024 - Springer
The effects of different vortex breakdown states on the evaporation process characterizing
air-acetone vapor swirling jets laden with liquid acetone droplets in the dilute regime are …

Numerical Investigation of High Pressure CO2-Diluted Combustion Using a Flamelet-based Approach

G Indelicato, PE Lapenna, R Concetti… - Combustion Science …, 2020 - Taylor & Francis
Direct-fired oxy-fuel combustion as a heat source is utilized in supercritical carbon dioxide
(sCO2) power cycles, such as the Allam cycle, which has shown promise in delivering …

Effects of pressure on the structure of partially premixed turbulent diffusion flames: Calculations using MMC-LES

S Aldawsari, S Galindo-Lopez, MJ Cleary… - Combustion and …, 2023 - Elsevier
This study numerically investigates the detailed structure of twelve partially premixed
turbulent diffusion flames of methane and air across a pressure range between 1 and 20 …

Large eddy simulation with flamelet progress variable approach combined with artificial neural network acceleration

L Angelilli, PP Ciottoli, R Malpica Galassi… - AIAA Scitech 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0412. vid In the context of large
eddy simulation of turbulent reacting flows, flamelet-based models are key to affordable …

Finite-Rate Chemistry Favre-Averaged Navier–Stokes Based Simulation of a Non-Premixed SynGas/AirFlame

SJ Bissai Nkaa… - Journal of …, 2024 - asmedigitalcollection.asme.org
This paper is devoted to the study of the influence of chemical mechanisms, turbulence
models, and gas radiative properties models on the characteristics of a turbulent diffusion …

A method to convert stand-alone OH fluorescence images into OH mole fraction

L Angelilli, PP Ciottoli, TF Guiberti, RM Galassi… - Proceedings of the …, 2021 - Elsevier
Due to the accessibility of the planar laser-induced fluorescence technique, images of OH
fluorescence intensity are often used to study the structure of turbulent flames. However …

Influence of LES Inflow Conditions on Simulations of a Piloted Diffusion Flame

T Zhang, J Li, Y Yan, Y Fan - International Journal of …, 2023 - Taylor & Francis
This study investigates the influence of different turbulent inflow conditions on the Large
Eddy Simulation (LES) of turbulent combustion problems. Four turbulent inflow conditions …

Asymptotic analysis of detonation development at SI engine conditions using computational singular perturbation

ID Dimitrova, MB Luong, S Sanal… - … Theory and Modelling, 2024 - Taylor & Francis
The occurrence and intensity of the detonation phenomenon at spark-ignition (SI) engine
conditions is investigated, with the objective to successfully predict super-knock and to …

Predictive simulations of ammonia spray dynamics and multi-regime combustion: fundamental physics and modeling aspects

L Angelilli - 2023 - repository.kaust.edu.sa
Because of its thermochemical qualities, ammonia is an attractive alternative to carbon-
based fuels. Indeed, the lack of carbon atoms in its molecular structure and the ease of …