[HTML][HTML] Flame structure and burning velocity of ammonia/air turbulent premixed flames at high Karlovitz number conditions

Q Fan, X Liu, L Xu, AA Subash, C Brackmann… - Combustion and …, 2022 - Elsevier
This paper presents experimental studies of the structures and burning velocities of
premixed ammonia/air jet flames at high Karlovitz (Ka) number conditions. Simultaneous …

Structure and scalar correlation of ammonia/air turbulent premixed flames in the distributed reaction zone regime

Q Fan, X Liu, X Cai, C Brackmann, M Alden, XS Bai… - Combustion and …, 2022 - Elsevier
Instantaneous structures of turbulent premixed ammonia/air flames on a piloted jet burner
were investigated using simultaneous planar laser-induced fluorescence (PLIF) and …

Numerical study of heat release rate markers in laminar premixed Ammonia-methane-air flames

X Zhu, TF Guiberti, R Li, WL Roberts - Fuel, 2022 - Elsevier
Ammonia has the potential of being a future fuel for carbon-free combustion to reduce
greenhouse gases (GHG) emission. The heat release rate (HRR) information of ammonia …

The effects of turbulence on the flame structure and NO formation of ammonia turbulent premixed combustion at various equivalence ratios

T Tian, C Song, H Wang, C Xu, K Luo, J Fan - Fuel, 2023 - Elsevier
Ammonia is carbon-free and is regarded as a potential fuel to address global warming
issues. In this work, three-dimensional direct numerical simulations (DNS) of ammonia/air …

Simultaneous imaging of NO and NH in an ammonia-hydrogen-nitrogen flame using a single dye laser

G Wang, H Shi, WL Roberts, TF Guiberti - Combustion and Flame, 2022 - Elsevier
This study describes a technique that utilizes a single, tunable, pulsed dye laser and two
intensified CCD cameras to image NH and NO simultaneously in turbulent ammonia …

Numerical study of experimental feasible heat release rate markers for NH3–H2-air premixed flames

H Zhang, X Han, J Jiang, X Li, X Gan, B Zhou - International Journal of …, 2022 - Elsevier
Abstract Ammonia (NH 3) and hydrogen (H 2) as carbon-free fuels have attracted much
attention for combustion applications in recent years. Co-firing ammonia with hydrogen …

[HTML][HTML] Flame/turbulence interaction in ammonia/air premixed flames at high karlovitz numbers

L Xu, Q Fan, X Liu, X Cai, AA Subash… - Proceedings of the …, 2023 - Elsevier
Turbulent premixed flames subjected to extreme levels of turbulence exhibit reaction zone
broadening and thinning. Instantaneous flame structures visualized using advanced laser …

Strategy for simultaneous multi-scalar imaging in turbulent NH3/H2 premixed flames using a single laser system

Z Wang, X Li, L Li, Z Zhao, B Zhou, X Gan - Combustion and Flame, 2022 - Elsevier
In this communication, we propose a simplified laser diagnostic approach to simultaneously
visualize three key scalars (ie, NH 3, NH, and Rayleigh scattering signals) in turbulent …

Internal structure of hydrogen-enriched methane–air turbulent premixed flames: Flamelet and non-flamelet behavior

S Mohammadnejad, P Vena, S Yun, S Kheirkhah - Combustion and Flame, 2019 - Elsevier
Internal structure of pure and hydrogen-enriched methane–air flames were investigated
experimentally, using simultaneous Planar Laser-Induced Fluorescence of formaldehyde …

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 …