Experimental and numerical investigation of thermo-acoustic instability in a liquid-fuel aero-engine combustor at elevated pressure: Validity of large-eddy simulation of …

S Tachibana, K Saito, T Yamamoto, M Makida… - Combustion and …, 2015 - Elsevier
The feasibility of applying the large-eddy simulation (LES) of spray combustion to the
investigation of the thermo-acoustic instability mechanisms in practical aero-engine …

Large eddy simulations of mean pressure and H2 addition effects on the stabilization and dynamics of a partially-premixed swirled-stabilized methane flame

PW Agostinelli, D Laera, I Chterev, I Boxx… - Combustion and …, 2023 - Elsevier
This work analyzes pressure and hydrogen enrichment effects on the stabilization and
combustion dynamics of a partially-premixed swirled-stabilized methane flame operated at …

[HTML][HTML] Turbulent flame image classification using Convolutional Neural Networks

R Roncancio, A El Gamal, JP Gore - Energy and AI, 2022 - Elsevier
Pockets of unburned material in turbulent premixed flames burning CH 4, air, and CO 2 were
studied using OH Planar Laser-Induced Fluorescence (PLIF) images to improve current …

Hybrid algorithm for the detection of turbulent flame fronts

O Chaib, Y Zheng, S Hochgreb, I Boxx - Experiments in Fluids, 2023 - Springer
This paper presents a hybrid and unsupervised approach to flame front detection for low
signal-to-noise planar laser-induced fluorescence (PLIF) images. The algorithm combines …

Using machine learning to construct velocity fields from OH-PLIF images

S Barwey, M Hassanaly, V Raman… - … Science and Technology, 2022 - Taylor & Francis
This work utilizes data-driven methods to morph a series of time-resolved experimental OH-
PLIF images into corresponding three-component planar PIV fields in the closed domain of a …

Combustion for aircraft propulsion: Progress in advanced laser-based diagnostics on high-pressure kerosene/air flames produced with low-NOx fuel injection systems

S Legros, C Brunet, P Domingo-Alvarez, P Malbois… - Combustion and …, 2021 - Elsevier
The challenges in designing high-performance aeronautical combustion systems have not
changed significantly over the years, but the increase of stringent regulations and the need …

Development and evaluation of gappy-POD as a data reconstruction technique for noisy PIV measurements in gas turbine combustors

P Saini, CM Arndt, AM Steinberg - Experiments in Fluids, 2016 - Springer
Low signal-to-noise in particle image velocimetry (PIV) measurements in systems such as
high pressure gas turbine combustors can result in significant data gaps that negatively …

[HTML][HTML] Lean methane flame stability in a premixed generic swirl burner: Isothermal flow and atmospheric combustion characterization

J Runyon, R Marsh, P Bowen, D Pugh, A Giles… - … Thermal and Fluid …, 2018 - Elsevier
Gas turbine combustors operating in lean premixed mode are known to be susceptible to
flame blowoff due to competing influences of increasing chemical timescales and …

Evolution characteristics of 3D vortex structures in stratified swirling flames studied by dual-plane stereoscopic PIV

S Wang, J Zheng, L Li, Z Yang, X **a, C Fu, Y Gao… - Combustion and …, 2022 - Elsevier
Stratified swirling flames are typically formed in centrally-staged combustors of modern aero
engines. The pilot flame plays an indispensable role in stabilizing the stratified swirling …

Investigation on unsteady formation and evolution of high-temperature zone in a staged swirl combustor

D Li, W Zhang, G Hu, W **, J Wang, Z Huang - Applied Thermal …, 2024 - Elsevier
The high-temperature zone of a laboratory staged swirl gas turbine combustor was studied
under different Stratification Ratios (SR) based on experimentally validated Large Eddy …