Automated adaptive chemistry for Large Eddy Simulations of turbulent reacting flows

R Amaduzzi, G D'Alessio, P Pagani, A Cuoci… - Combustion and …, 2024 - Elsevier
Abstract Large Eddy Simulations (LES) of turbulent reacting flows carried out with detailed
kinetic mechanisms have a key role for the discovery of the physical and chemical …

On the application of principal component transport for compression ignition of lean fuel/air mixtures under engine relevant conditions

KS Jung, A Kumar, T Echekki, JH Chen - Combustion and Flame, 2024 - Elsevier
Principal component transport-based data-driven reduced-order models (PC-transport
ROM) are being increasingly adopted as a combustion model of turbulent reactive flows to …

Artificial intelligence as a catalyst for combustion science and engineering

M Ihme, WT Chung - Proceedings of the Combustion Institute, 2024 - Elsevier
Combustion and energy conversion play critical roles in all facets of environmental and
technological applications, including the utilization of sustainable energy sources for power …

[PDF][PDF] Reduced-order modeling of reacting flows using data-driven approaches

K Zdybał, MR Malik, A Coussement… - … Learning and Its …, 2023 - library.oapen.org
Data-driven modeling of complex dynamical systems is becoming increasingly popular
across various domains of science and engineering. This is thanks to advances in numerical …

Acceleration of the complex reacting flow simulation with a generalizable neural network based on meta-learning

T Bai, Y Huai, T Liu, S Jia, M You, N Chang - Fuel, 2024 - Elsevier
A chemical decoupled method is proposed in this paper. To accelerate the complex reacting
flow simulation, the chemistry and flow computation is decoupled by a Neural Network (NN) …

[HTML][HTML] Hierarchical higher-order dynamic mode decomposition for clustering and feature selection

A Corrochano, G D'Alessio, A Parente… - … & Mathematics with …, 2024 - Elsevier
This article introduces a novel, fully data-driven method for forming reduced order models
(ROMs) in complex flow databases that consist of a large number of variables. The algorithm …

A Bayesian optimization framework for the control of combustion instability of a bluff-body stabilized combustor

J Yang, C Shao, L Wang, Q Wen, N Yang, ZX Chen… - Physics of …, 2024 - pubs.aip.org
Control of combustion instability for a realistic gas-turbine combustor is challenging. This
work aims to establish an efficient numerical framework for optimization to improve the …

[HTML][HTML] Data-driven identification of precursors of flashback in a lean hydrogen reheat combustor

M Floris, TS Sai, D Nayak, I Langella, K Aditya… - Proceedings of the …, 2024 - Elsevier
In this work, we propose a data-driven framework to identify precursors of extreme events in
turbulent reacting flows. Specifically, we tackle the problem of flashback prediction in a lean …

[PDF][PDF] Machine Learning Strategy for Subgrid Modeling of Turbulent Combustion Using Linear Eddy Mixing Based Tabulation

R Ranjan, A Panchal, S Karpe… - Machine Learning and Its …, 2023 - library.oapen.org
This chapter describes the use of machine learning (ML) algorithms with the linear-eddy
mixing (LEM) based tabulation for modeling of subgrid turbulencechemistry interaction. The …