Tabulation of combustion chemistry via Artificial Neural Networks (ANNs): Methodology and application to LES-PDF simulation of Sydney flame L

LLC Franke, AK Chatzopoulos, S Rigopoulos - Combustion and Flame, 2017 - Elsevier
In this work, a methodology for the tabulation of combustion mechanisms via Artificial Neural
Networks (ANNs) is presented. The objective of the methodology is to train the ANN using …

A modified piloted burner for stabilizing turbulent flames of inhomogeneous mixtures

S Meares, AR Masri - Combustion and flame, 2014 - Elsevier
A modification of the well-known jet piloted burner is introduced to enable the stabilization of
partially premixed flames with varying degrees of inhomogeneity in mixture fraction or …

Survey of turbulent combustion models for large-eddy simulations of propulsive flowfields

RS Miller, JW Foster - AIAA Journal, 2016 - arc.aiaa.org
THIS review of multiregime large-eddy simulation (LES) approaches is motivated by
propulsive applications. Such applications cover a broad range of combustion regimes, with …

[HTML][HTML] Modeling of turbulent flames with the large eddy simulation–probability density function (LES–PDF) approach, stochastic fields, and artificial neural networks

T Readshaw, T Ding, S Rigopoulos, WP Jones - Physics of Fluids, 2021 - pubs.aip.org
This work proposes a chemical mechanism tabulation method using artificial neural
networks (ANNs) for turbulent combustion simulations. The method is employed here in the …

LES/PDF modeling of autoignition in a lifted turbulent flame: Analysis of flame sensitivity to differential diffusion and scalar mixing time-scale

W Han, V Raman, Z Chen - Combustion and Flame, 2016 - Elsevier
The stabilization of lifted flames involves a complex competition between small-scale mixing
and propagation of flame kernels at the base of the flame. Here, the effect of species …

Computational study of lean premixed turbulent flames using RANSPDF and LESPDF methods

DH Rowinski, SB Pope - Combustion Theory and Modelling, 2013 - Taylor & Francis
A computational study is performed on a series of four piloted, lean, premixed turbulent jet
flames. These flames use the Sydney Piloted Premixed Jet Burner (PPJB), and with jet …

LES/PDF modeling of turbulent premixed flames with locally enhanced mixing by reaction

H Wang, T Pant, P Zhang - Flow, Turbulence and Combustion, 2018 - Springer
Large-eddy simulations (LES) combined with the transported probability density function
(PDF) method are carried out for two turbulent piloted premixed methane-air jet flames …

An investigation of mixing in a three-stream turbulent jet

DH Rowinski, SB Pope - Physics of Fluids, 2013 - pubs.aip.org
Mixing models are required to account for the effects of molecular diffusion in probability
density function (PDF) methods for reacting flows, and these models entail one of the …

A unified view of pilot stabilized turbulent jet flames for model assessment across different combustion regimes

H Wang, P Zhang - Proceedings of the Combustion Institute, 2017 - Elsevier
Single-regime turbulent combustion has been the main focus in previous studies. Significant
limitations exist in those studies since most practical combustion applications involve multi …

High-resolution LES of a starting jet

E Inanc, MT Nguyen, S Kaiser, AM Kempf - Computers & Fluids, 2016 - Elsevier
An impulsively started jet is investigated by a highly resolved large-eddy simulation (LES).
The numerical calculations are presented, analyzed and compared to the experimental data …