Tomographic absorption spectroscopy for the study of gas dynamics and reactive flows

W Cai, CF Kaminski - Progress in energy and combustion science, 2017 - Elsevier
Optical imaging techniques are ubiquitous for the resolution of non-uniformities in gas flows.
Planar imaging techniques such as laser-induced fluorescence are well established and …

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 …

Premixed flames subjected to extreme levels of turbulence part I: Flame structure and a new measured regime diagram

AW Skiba, TM Wabel, CD Carter, SD Hammack… - Combustion and …, 2018 - Elsevier
This paper presents high-fidelity flame structure measurements of premixed methane–air
Bunsen flames subjected to extreme levels of turbulence. Specifically, 28 cases were …

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 …

Thin reaction zone and distributed reaction zone regimes in turbulent premixed methane/air flames: Scalar distributions and correlations

B Zhou, C Brackmann, Z Wang, Z Li, M Richter… - Combustion and …, 2017 - Elsevier
A series of premixed turbulent methane/air jet flames in the thin reaction zone (TRZ) and
distributed reaction zone (DRZ) regimes were studied using simultaneous three-scalar high …

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 …

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 …

Evolution of turbulence through a broadened preheat zone in a premixed piloted Bunsen flame from conditionally-averaged velocity measurements

TM Wabel, AW Skiba, JF Driscoll - Combustion and Flame, 2018 - Elsevier
This work assesses two hypotheses that predict how turbulence properties vary within
premixed turbulent flames that lie in the regime of Broadened Preheat-Thin Reaction layers …

Blowoff of bluff body flames: Transient dynamics and three dimensional effects

RM Kumar, S Adhikari, B Emerson, CA Fugger… - Combustion and …, 2022 - Elsevier
This work examines the dynamics of confined bluff body flames in the process of lean
blowoff (LBO) using simultaneous stereo-PIV (particle image velocimetry), OH PLIF (planar …

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 …