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 …

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 …

Investigations of the effect of the primary hole on ignition performance of a three-dome model combustor with RP-3 liquid aviation fuel

K Yao, X He, Y Jin, Y Huang, Y Wang… - Aerospace Science and …, 2023 - Elsevier
The primary hole exerts a substantial influence on the ignition performance of gas turbine
combustors. The current investigation delves into the effect of primary hole jets on the …

Experimental study on flame/flow dynamics in a multi-nozzle gas turbine model combustor under thermo-acoustically unstable condition with different swirler …

C Ruan, F Chen, T Yu, W Cai, X Li, X Lu - Aerospace Science and …, 2020 - Elsevier
This paper presents an experimental study on the combustion stability characteristics and
flame/flow dynamics in a multi-nozzle, lean premixed prevaporized (LPP), swirl-stabilized …

Time-resolved three-dimensional imaging of flame refractive index via endoscopic background-oriented Schlieren tomography using one single camera

H Liu, C Shui, W Cai - Aerospace Science and Technology, 2020 - Elsevier
Due to the recent progresses in sensor and laser technologies, volumetric tomography has
become a popular diagnostic for combustion studies. Background-oriented Schlieren …

Suppression and excitation of the precessing vortex core by acoustic velocity fluctuations: An experimental and analytical study

S Terhaar, B Ćosić, CO Paschereit… - Combustion and Flame, 2016 - Elsevier
Swirl-stabilized flames can feature a self-excited hydrodynamic instability known as the
precessing vortex core (PVC). In the present study it is shown how this instability is affected …

Measurements from flame chemiluminescence tomography of forced laminar premixed propane flames

SM Wiseman, MJ Brear, RL Gordon, I Marusic - Combustion and Flame, 2017 - Elsevier
The unsteady, visible, chemiluminescence fields of two non-axisymmetric, forced, laminar,
premixed, propane–air flames are tomographically reconstructed using between 3 and 36 …

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 …

Effects of hydrogen addition on the forced response of H2/CH4 flames in a dual-nozzle swirl-stabilized combustor

S Kwak, J Choi, M Ahn, Y Yoon - International Journal of Hydrogen Energy, 2022 - Elsevier
The effects of hydrogen addition on the forced response of H 2/CH 4 flames are analyzed in
a dual-nozzle swirl-stabilized combustor. The hydrogen volumetric content in the fuel is …

Experimental characterization of the spatiotemporal dynamics of a turbulent flame in a gas turbine model combustor using computed tomography of …

C Ruan, T Yu, F Chen, S Wang, W Cai, X Lu - Energy, 2019 - Elsevier
An experimental study was conducted based on the recently available computed
tomography of chemiluminescence (CTC) technique with a swirl-stabilized gas turbine …