Principles of non-intrusive diagnostic techniques and their applications for fundamental studies of combustion instabilities in gas turbine combustors: A brief review

C Ruan, F Chen, W Cai, Y Qian, L Yu, X Lu - Aerospace Science and …, 2019 - Elsevier
Combustion instabilities are often manifested in modern fuel-lean gas turbine combustors.
Investigating the mechanisms and developing control strategies for combustion instabilities …

Imaging flow velocimetry with laser Mie scattering

A Fischer - Applied Sciences, 2017 - mdpi.com
Imaging flow velocity measurements are essential for the investigation of unsteady complex
flow phenomena, eg, in turbomachines, injectors and combustors. The direct optical …

Simultaneous 10 kHz TPIV, OH PLIF, and CH2O PLIF measurements of turbulent flame structure and dynamics

JR Osborne, SA Ramji, CD Carter, S Peltier… - Experiments in …, 2016 - Springer
Simultaneous 10 kHz repetition-rate tomographic particle image velocimetry, hydroxyl
planar laser-induced fluorescence (OH PLIF), and formaldehyde (CH _2 2 O) PLIF were …

Time-resolved measurements of a swirl flame at 4 kHz via computed tomography of chemiluminescence

T Yu, C Ruan, H Liu, W Cai, X Lu - Applied Optics, 2018 - opg.optica.org
Computed tomography of a chemiluminescence (CTC) system was implemented to provide
time-resolved 3D measurements of an unconfined turbulent swirl flame. This system was …

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 …

In-situ characterization of coal particle combustion via long working distance digital in-line holography

X Wu, L Yao, Y Wu, X Lin, L Chen, J Chen, X Gao… - Energy & …, 2018 - ACS Publications
A long working distance digital holographic system is developed to study burning coal
particles, which are less than 200 μm in diameter, in a methane-air flame. A general model …

Characteristics of tomographic reconstruction of light-field Tomo-PIV

L Cao, B Zhang, J Li, X Song, Z Tang, C Xu - Optics Communications, 2019 - Elsevier
Tomographic reconstruction of three-dimensional (3D) flow field is critical to achieve an
accurate measurement of the complex flow field in tomographic particle image velocimetry …

Development and validation of a reconstruction approach for three-dimensional confined-space tomography problems

C Ling, H Chen, Y Wu - Applied Optics, 2020 - opg.optica.org
This work reports the development and validation of a new tomography approach, termed
cross-interfaces computed tomography (CICT), to address confined-space tomography …

Blob-enhanced reconstruction technique

G Castrillo, G Cafiero, S Discetti… - … Science and Technology, 2016 - iopscience.iop.org
A method to enhance the quality of the tomographic reconstruction and, consequently, the
3D velocity measurement accuracy, is presented. The technique is based on integrating …

Experimental investigation on the three-dimensional organization of the flow structures in precessing jets by tomographic PIV

G Ceglia, G Cafiero, T Astarita - Experimental Thermal and Fluid Science, 2017 - Elsevier
A self-excited precessing jet PJ generated by a 5: 1 expansion of a circular jet issuing at Re
d= 42,500 into a short coaxial cylindrical chamber has been investigated in a water facility …