Premixed flames subjected to extreme turbulence: Some questions and recent answers

JF Driscoll, JH Chen, AW Skiba, CD Carter… - Progress in Energy and …, 2020 - Elsevier
It has been predicted that several changes will occur when premixed flames are subjected to
the extreme levels of turbulence that can be found in practical combustors. This paper is a …

Structure and dynamics of highly turbulent premixed combustion

AM Steinberg, PE Hamlington, X Zhao - Progress in Energy and …, 2021 - Elsevier
Turbulent premixed combustion involves simultaneous and mutually interacting fluid,
chemical, and transport phenomena spanning a wide range of spatial and temporal scales …

Challenges for turbulent combustion

AR Masri - Proceedings of the Combustion Institute, 2021 - Elsevier
Turbulent combustion will remain central to the next generation of combustion devices that
are likely to employ blends of renewable and fossil fuels, transitioning eventually to …

[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 …

Statistics of local and global flame speed and structure for highly turbulent H2/air premixed flames

W Song, FEH Perez, EA Tingas, HG Im - Combustion and Flame, 2021 - Elsevier
A statistical analysis is conducted for turbulent hydrogen-air premixed flames at a range of
Karlovitz numbers up to 1,126 by direct numerical simulations (DNS) with detailed chemistry …

Thick reaction zones in non-flamelet turbulent premixed combustion

S Mohammadnejad, Q An, P Vena, S Yun… - Combustion and …, 2020 - Elsevier
Internal structure of extremely turbulent flames is investigated experimentally using
simultaneous planar laser-induced fluorescence of formaldehyde molecule and hydroxyl …

Large eddy simulation/dynamic thickened flame modeling of a high Karlovitz number turbulent premixed jet flame

W Han, H Wang, G Kuenne, ER Hawkes… - Proceedings of the …, 2019 - Elsevier
Due to the complex multiscale interaction between intense turbulence and relatively weak
flames, turbulent premixed flames in the thin and broken reaction zones regimes exhibit …

Freestream and shear layer effects in bluff-body-stabilized turbulent premixed flames

CA Fugger, RA Forlines, BT Paxton, AW Caswell… - Combustion and …, 2024 - Elsevier
The effects of low and high approach flow turbulence levels on a large-scale, confined,
premixed bluff-body-stabilized flame are experimentally characterized. The flame and flow …

Structure and burning velocity of turbulent premixed methane/air jet flames in thin-reaction zone and distributed reaction zone regimes

Z Wang, B Zhou, S Yu, C Brackmann, Z Li… - Proceedings of the …, 2019 - Elsevier
A series of turbulent premixed methane/air jet flames are studied using simultaneous planar
laser diagnostic imaging of OH/CH/temperature and CH/OH/CH 2 O. The Karlovitz number …