Volumetric emission tomography for combustion processes

SJ Grauer, K Mohri, T Yu, H Liu, W Cai - Progress in Energy and …, 2023 - Elsevier
This is a comprehensive, critical, and pedagogical review of volumetric emission
tomography for combustion processes. Many flames that are of interest to scientists and …

[HTML][HTML] Advances in burst-mode laser diagnostics for reacting and nonreacting flows

MN Slipchenko, TR Meyer, S Roy - Proceedings of the Combustion Institute, 2021 - Elsevier
High-energy burst-mode lasers have enabled the development of kHz–MHz rate, multi-
dimensional diagnostics for characterizing highly dynamic and transient phenomena in …

Single-pulse real-time billion-frames-per-second planar imaging of ultrafast nanoparticle-laser dynamics and temperature in flames

YN Mishra, P Wang, FJ Bauer, Y Zhang… - Light: Science & …, 2023 - nature.com
Unburnt hydrocarbon flames produce soot, which is the second biggest contributor to global
warming and harmful to human health. The state-of-the-art high-speed imaging techniques …

High-speed, three-dimensional tomographic laser-induced incandescence imaging of soot volume fraction in turbulent flames

TR Meyer, BR Halls, N Jiang, MN Slipchenko, S Roy… - Optics express, 2016 - opg.optica.org
High-speed, laser-based tomographic imaging of the three-dimensional time evolution of
soot volume fraction in turbulent jet diffusion flames is demonstrated to be feasible at rates of …

4D spatiotemporal evolution of combustion intermediates in turbulent flames using burst-mode volumetric laser-induced fluorescence

BR Halls, N Jiang, TR Meyer, S Roy, MN Slipchenko… - Optics letters, 2017 - opg.optica.org
High-speed (20 kHz rate), volumetric laser-induced-fluorescence imaging of combustion
intermediates such as a formaldehyde (CH_2O) and polycyclic aromatic hydrocarbon (PAH) …

Time-resolved study of transient soot formation in an aero-engine model combustor at elevated pressure

M Stöhr, KP Geigle, R Hadef, I Boxx, CD Carter… - Proceedings of the …, 2019 - Elsevier
The mechanisms of transient formation and oxidation of soot in an aero-engine model
combustor at elevated pressure are studied for the first time using a combination of high …

Megahertz-rate shock-wave distortion cancellation via phase conjugate digital in-line holography

YC Mazumdar, ME Smyser, JD Heyborne… - Nature …, 2020 - nature.com
Holography is a powerful tool for three-dimensional imaging. However, in explosive,
supersonic, hypersonic, cavitating, or ionizing environments, shock-waves and density …

Dual-pulse laser-induced incandescence to quantify carbon nanostructure and related soot particle properties in transient flows–Concept and exploratory study

FP Hagen, R Suntz, H Bockhorn, D Trimis - Combustion and Flame, 2022 - Elsevier
In this work a dual-pulse laser-induced incandescence method is presented, which is
potentially suitable for the in-situ determination of E (m, λ UV)/E (m, λ NIR) in transient flows …

Compact burst-mode Nd: YAG laser for kHz–MHz bandwidth velocity and species measurements

ME Smyser, KA Rahman, MN Slipchenko, S Roy… - Optics Letters, 2018 - opg.optica.org
A compact-footprint (0.18 m^ 2) flash-lamp-pumped, burst-mode Nd: YAG-based master-
oscillator pulsed-amplifier laser is reported with a fundamental 1064 nm output of over 14 J …

Three-dimensional particle size determination in a laminar diffusion flame by tomographic laser-induced incandescence

FJ Bauer, T Yu, W Cai, FJT Huber, S Will - Applied Physics B, 2021 - Springer
Non-intrusive measurement techniques are required to gain a comprehensive
understanding about the processes of soot formation, growth and oxidation. Time-resolved …