Recent developments in DNS of turbulent combustion

P Domingo, L Vervisch - Proceedings of the Combustion Institute, 2023 - Elsevier
The simulation of turbulent flames fully resolving the smallest flow scales and the thinnest
reaction zones goes along with specific requirements, which are discussed from …

Impact of H2/CH4 blends on the flexibility of micromix burners applied to industrial combustion systems

G Lopez-Ruiz, I Alava, JM Blanco - Energy, 2023 - Elsevier
The present paper investigates the feasibility of using H 2/CH 4 fuel blends in micromix-type
burners applied to industrial combustion systems. The micromix burner concept …

Differential diffusion effects in the near field of non-premixed NH3/H2/N2-air jet flames at elevated pressure

H Tang, C Yang, Y Krishna, G Wang… - … Thermal and Fluid …, 2023 - Elsevier
Differential diffusion (diff-diff) effects are analyzed in both non-premixed laminar and
turbulent NH 3-H 2-N 2 jet flames at 5 bar using 1D quantitative Raman scattering …

Effects of molecular diffusion modeling on turbulent premixed NH3/H2/air flames

C Chi, W Han, D Thévenin - Proceedings of the Combustion Institute, 2023 - Elsevier
Ammonia (NH 3) is a promising carbon-free energy carrier and can be used as a fuel in gas
turbines for power generation. Using a blend of NH 3 and hydrogen (H 2) has the potential …

A dedicated reduced kinetic model for ammonia/dimethyl-ether turbulent premixed flames

W Guan, A Abdelsamie, C Chi, Z He, D Thévenin - Combustion and Flame, 2023 - Elsevier
Ammonia (NH 3) as a promising energy vector receives growing interest to reduce carbon
emissions in combustion applications. Co-firing with dimethyl ether (DME) is an outstanding …

Flamelet modeling of forced ignition and flame propagation in hydrogen-air mixtures

H Böttler, X Chen, S Xie, A Scholtissek, Z Chen… - Combustion and …, 2022 - Elsevier
Modeling hydrogen-air flames is challenging for several reasons. Due to its high diffusivity
and reactivity, the combustion properties of hydrogen are substantially different from …

A novel flamelet manifold parametrization approach for lean CH4–H2-air flames

Y Luo, F Ferraro, A Breicher, H Böttler, A Dreizler… - International Journal of …, 2023 - Elsevier
Hydrogen is a carbon-free energy carrier that can substantially support the decarbonization
of the power generation and transportation sector in the near future. Blending H 2 into …

Numerical analysis on the combined transport effects of H2 and CO2 on the laminar premixed flame characteristics of biogas-hydrogen blends

Z Wei, M Liu, Z Chen, Z Liu, H Zhen - International Journal of Hydrogen …, 2022 - Elsevier
The combined and respective transport effects of H 2 and CO 2 on the flame structure,
laminar flame speed and radical pool of the BG40H60 blends at different equivalence ratios …

Kinetic incentive of hydrogen addition on nonpremixed laminar methane/air flames

Y He, M Liang, C Liu, S Liao, R Yang, L Qin… - International Journal of …, 2021 - Elsevier
In order to find out the respective influences of chemical reactivity and physical transport of
hydrogen additive on nonpremixed flame, two fabricated hydrogen additions were …

Effects of cryogenic temperature on turbulent premixed hydrogen/air flames

C Chen, C Chi, D Thévenin, W Han, L Yang - Proceedings of the …, 2024 - Elsevier
As a carbon-free fuel, hydrogen (H 2) is of increasing importance in the development of low-
emission engines. Due to a low volumetric energy density, H 2 is preferably stored at …