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 …

Time-resolved particle image velocimetry

SJ Beresh - Measurement Science and Technology, 2021 - iopscience.iop.org
Time-resolved particle image velocimetry (TR-PIV) has become widespread in fluid
dynamics. Essentially a velocity field movie, the dynamic content provides temporal as well …

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 …

Machine learning applied to retrieval of temperature and concentration distributions from infrared emission measurements

T Ren, MF Modest, A Fateev, G Sutton, W Zhao, F Rusu - Applied Energy, 2019 - Elsevier
Inversion of temperature and species concentration distributions from radiometric
measurements involves solving nonlinear, ill-posed and high-dimensional problems …

Flame dynamics in an optically accessible solid fuel ramjet combustor

WCB Senior, RM Gejji, CD Slabaugh - Journal of Propulsion and Power, 2023 - arc.aiaa.org
Flow–flame interactions were investigated in an optically accessible solid fuel ramjet
combustor. Experiments were performed with a single hydroxyl-terminated polybutadiene …

Characteristics of laser ignition and spark discharge ignition in a cavity-based supersonic combustor

B An, L Yang, Z Wang, X Li, M Sun, J Zhu, W Yan - Combustion and Flame, 2020 - Elsevier
An experimental study was conducted to compare laser ignition (LI) and spark discharge
ignition (SDI) in an ethylene fueled supersonic combustor operating at a global equivalence …

Contributions of flame thickening and extinctions to a heat release rate marker of intensely turbulent premixed hydrogen-enriched methane-air flames

S Mohammadnejad, Q An, P Vena, S Yun… - Combustion and …, 2021 - Elsevier
Influences of the reaction zone thickening and extinctions on a heat release rate marker of
extremely turbulent hydrogen-enriched methane-air flames are investigated using …

Numerical investigation of turbulent flame-vortex interaction in premixed cavity stabilized flames

CJ Rising, GB Goodwin, RF Johnson… - Aerospace Science and …, 2022 - Elsevier
The combustion dynamics of a mixture of ethylene and air in a cavity flameholder are
examined using high-resolution numerical simulations. The simulations are performed using …

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 …