Combustion machine learning: Principles, progress and prospects

M Ihme, WT Chung, AA Mishra - Progress in Energy and Combustion …, 2022 - Elsevier
Progress in combustion science and engineering has led to the generation of large amounts
of data from large-scale simulations, high-resolution experiments, and sensors. This corpus …

Assessment of numerical accuracy and parallel performance of OpenFOAM and its reacting flow extension EBIdnsFoam

T Zirwes, M Sontheimer, F Zhang, A Abdelsamie… - Flow, Turbulence and …, 2023 - Springer
OpenFOAM is one of the most widely used open-source computational fluid dynamics tools
and often employed for chemical engineering applications. However, there is no systematic …

Numerical Study on Heat Release Rate Markers with Nonunity Exponents for Ammonia–Methane Premixed Flames

Q Xue, J Xing, X Tang, K Luo, H Wang, J Fan - Energy & Fuels, 2023 - ACS Publications
As one of the carbon-free fuels, ammonia has great application potential in energy systems.
However, its relatively low reactivity makes it usually required to be cofired with small …

[HTML][HTML] Heat release rate surrogate for ammonia–hydrogen premixed flames under various conditions

J Xing, AL Pillai, R Kurose - Applications in Energy and Combustion …, 2023 - Elsevier
Blending hydrogen has proven an efficient method to enhance the combustion stability of
gaseous ammonia flames. Heat release rate (HRR), as an important parameter to indicate …

The Taylor–Green vortex as a benchmark for high-fidelity combustion simulations using low-Mach solvers

A Abdelsamie, G Lartigue, CE Frouzakis, D Thevenin - Computers & Fluids, 2021 - Elsevier
Verification and validation are crucial steps for the development of any numerical model.
While suitable processes have been established for commercial Computational Fluid …

DNS study on reactivity stratification with prechamber H2/air turbulent jet flame to enhance NH3/air combustion in gas engines

C Chi, D Thévenin - Fuel, 2023 - Elsevier
The present study investigates turbulent flame dynamics and pollutant emission
characteristics in a prechamber/main chamber system. AH 2/air turbulent jet flame issued …

Data-driven discovery of heat release rate markers for premixed NH3/H2/air flames using physics-informed machine learning

C Chi, S Sreekumar, D Thévenin - Fuel, 2022 - Elsevier
The spatial distribution of heat release rate (HRR) is important for flame front identification.
However, direct measurement of HRR is impossible using the current experimental …

Interactions between high hydrogen content syngas–air premixed flames and homogeneous isotropic turbulence: Flame thickening

H Ganti, L Bravo, P Khare - Physics of Fluids, 2023 - pubs.aip.org
This paper reports the findings from a three-dimensional direct numerical simulation
conducted to investigate the turbulent flame behaviors of premixed high-hydrogen content …

Nanoparticle formation and behavior in turbulent spray flames investigated by DNS

A Abdelsamie, FE Kruis, H Wiggers… - Flow, Turbulence and …, 2020 - Springer
This work is a first direct numerical simulation of a configuration closely related to the
SpraySyn burner (Schneider et al. in Rev Sci Instrum 90: 085108, 2019). This burner has …

A DNS study of heat release rate surrogates with unity and non-unity exponents for ammonia/air premixed flames

C Song, H Wang, M Cheng, T Tian, K Luo… - International Journal of …, 2023 - Elsevier
Ammonia is a carbon-free fuel that can potentially be used to reduce the greenhouse effect.
However, the characteristics of ammonia combustion are not well understood, which …