An adaptive time-integration scheme for stiff chemistry based on computational singular perturbation and artificial neural networks
We leverage the computational singular perturbation (CSP) theory to develop an adaptive
time-integration scheme for stiff chemistry based on a local, projection-based, reduced order …
time-integration scheme for stiff chemistry based on a local, projection-based, reduced order …
Computational analysis of the effect of hydrogen peroxide addition on premixed laminar hydrogen/air flames
EA Tingas - Fuel, 2021 - Elsevier
In the current work, the effect of H 2 O 2 addition on the flame structure, laminar flame speed
and NOx emissions is investigated in the context of 1D laminar premixed H 2/air flames at T …
and NOx emissions is investigated in the context of 1D laminar premixed H 2/air flames at T …
Uncertainty quantification analysis of RANS of spray jets
PP Ciottoli, A Petrocchi, L Angelilli… - AIAA Propulsion and …, 2020 - arc.aiaa.org
Parametric uncertainty is propagated through Reynolds-averaged Navier-Stokes (RANS)
computations of a prototypical acetone/air aerosol stream flowing in a dry air environment …
computations of a prototypical acetone/air aerosol stream flowing in a dry air environment …
Analysis of droplet evaporation dynamics using computational singular perturbation and tangential stretching rate
Computational singular perturbation (CSP) has been successfully used in the analysis of
complex chemically reacting flows by systematically identifying the intrinsic timescales and …
complex chemically reacting flows by systematically identifying the intrinsic timescales and …
A Lagrangian analysis of combustion regimes using multi-modal turbulent combustion model
High Reynolds number turbulent reacting flows poses a modeling challenge due to the multi-
regime, mixed-mode nature of the combustion processes. This study presents a novel …
regime, mixed-mode nature of the combustion processes. This study presents a novel …
Large eddy simulation of multi-regime burner: a reaction mechanism sensitivity analysis
View Video Presentation: https://doi. org/10.2514/6.2022-0639. vid High Reynolds number
jets and mixture inhomogeneities enhance the presence of local reaction zones at different …
jets and mixture inhomogeneities enhance the presence of local reaction zones at different …
Lagrangian Analysis of Droplet Dynamics Using Computational Singular Perturbation
Computational singular perturbation (CSP) has been successfully used in the analysis of
complex chemically reacting flows by systematically identifying the intrinsic timescales and …
complex chemically reacting flows by systematically identifying the intrinsic timescales and …
[HTML][HTML] Tangential stretching rate analysis of DRGEP-based automated target species selection dynamic adaptive chemistry method
R Li, C Yang, Y Bai, W Nie, B He - AIP Advances, 2023 - pubs.aip.org
Automated target species selection dynamic adaptive chemistry (automated DAC) based on
the directed relation graph with error propagation is a dynamic mechanism reduction …
the directed relation graph with error propagation is a dynamic mechanism reduction …
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 …
based fuels. Indeed, the lack of carbon atoms in its molecular structure and the ease of …
A new OH fluorescence signal-to-OH mole fraction conversion model formulation and calibration
In this work a non-linear model to reconstruct OH mole fraction profiles from a stand-alone
experimental OH-PLIF fluorescence signal is provided. Starting from one-dimensional (1D) …
experimental OH-PLIF fluorescence signal is provided. Starting from one-dimensional (1D) …