[HTML][HTML] Structure and dynamics of highly turbulent premixed combustion
Turbulent premixed combustion involves simultaneous and mutually interacting fluid,
chemical, and transport phenomena spanning a wide range of spatial and temporal scales …
chemical, and transport phenomena spanning a wide range of spatial and temporal scales …
4D temperature measurements using tomographic two-color pyrometry
This work presents a new approach for high-speed four-dimensional (3D+ t) thermometry
using only two high-speed cameras which are equipped with different band pass filters to …
using only two high-speed cameras which are equipped with different band pass filters to …
[HTML][HTML] Stochastic particle advection velocimetry (SPAV): theory, simulations, and proof-of-concept experiments
Particle tracking velocimetry (PTV) is widely used to measure time-resolved, three-
dimensional velocity and pressure fields in fluid dynamics research. Inaccurate localization …
dimensional velocity and pressure fields in fluid dynamics research. Inaccurate localization …
Data assimilation using high-speed measurements and LES to examine local extinction events in turbulent flames
Data assimilation techniques are investigated to determine how high-speed experimental
measurements can be infused into a combustion simulation with the goal of capturing …
measurements can be infused into a combustion simulation with the goal of capturing …
Time-resolved measurements of a swirl flame at 4 kHz via computed tomography of chemiluminescence
Computed tomography of a chemiluminescence (CTC) system was implemented to provide
time-resolved 3D measurements of an unconfined turbulent swirl flame. This system was …
time-resolved 3D measurements of an unconfined turbulent swirl flame. This system was …
Compact burst-mode Nd: YAG laser for kHz–MHz bandwidth velocity and species measurements
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 …
oscillator pulsed-amplifier laser is reported with a fundamental 1064 nm output of over 14 J …
Simultaneous high-speed 3D flame front detection and tomographic PIV
D Ebi, NT Clemens - Measurement Science and Technology, 2016 - iopscience.iop.org
A technique capable of detecting the instantaneous, time-resolved, 3D flame topography is
successfully demonstrated in a lean-premixed swirl flame undergoing flashback. A …
successfully demonstrated in a lean-premixed swirl flame undergoing flashback. A …
Ensemble Kalman filter for assimilating experimental data into large-eddy simulations of turbulent flows
Data assimilation techniques are investigated for integrating high-speed high-resolution
experimental data into large-eddy simulations. To this end, an ensemble Kalman filter is …
experimental data into large-eddy simulations. To this end, an ensemble Kalman filter is …
Quasi-4D laser diagnostics using an acousto-optic deflector scanning system
T Li, J Pareja, L Becker, W Heddrich, A Dreizler… - Applied Physics B, 2017 - Springer
In this paper, a novel scanning system for laser diagnostics was developed and
characterized. The system is based on the acousto-optic deflection of a high-speed pulsed …
characterized. The system is based on the acousto-optic deflection of a high-speed pulsed …
[HTML][HTML] Experimental study of vorticity-strain rate interaction in turbulent partially premixed jet flames using tomographic particle image velocimetry
In turbulent flows, the interaction between vorticity, ω, and strain rate, s, is considered a
primary mechanism for the transfer of energy from large to small scales through vortex …
primary mechanism for the transfer of energy from large to small scales through vortex …