Passive control of thermoacoustic instabilities in swirl-stabilized combustion at elevated pressures
LJ Williams, J Meadows… - International Journal of …, 2016 - journals.sagepub.com
In this study, a porous insert is placed at the dump plane of a swirl-stabilized lean premixed
combustor to passively suppress thermoacoustic instabilities. The diffuser-shaped annular …
combustor to passively suppress thermoacoustic instabilities. The diffuser-shaped annular …
POD and DMD analysis of dynamic flow structures in the recirculation region of an unconfined swirl cup
The flow field of the swirl-stabilized combustor plays a significant role in fuel atomization and
flame stability. The experimental investigation of the non-reacting flow field downstream of a …
flame stability. The experimental investigation of the non-reacting flow field downstream of a …
Effect of Insert Porosity on Combustion Instability in a Lean Premixed Combustor Analyzed by a POD-Based Phase Reconstruction Technique
Lean premixed (LPM) combustion is very effective at mitigating emissions but is vulnerable
to strong thermoacoustic instabilities. A porous insert in the shape of an annular ring placed …
to strong thermoacoustic instabilities. A porous insert in the shape of an annular ring placed …
Porous inserts for passive control of noise and thermo-acoustic instabilities in LDI combustion
JW Meadows, AK Agrawal - Combustion Science and Technology, 2015 - Taylor & Francis
In this study, ring-shaped porous inserts made from high-strength, temperature-resistant
ceramic materials are utilized within the combustor to passively reduce noise and thermo …
ceramic materials are utilized within the combustor to passively reduce noise and thermo …
Simultaneous three-component velocity measurements in a swirl-stabilized flame
Modern gas turbines are operated with lean fuel mixtures causing instabilities of the heat
release and, by means of a thermoacoustic coupling, oscillations of the flow velocity within …
release and, by means of a thermoacoustic coupling, oscillations of the flow velocity within …
Effect of Insert Porosity on Combustion Instability in a Lean Premixed Combustor Analyzed by a Proper Orthogonal Decomposition-Based Phase Reconstruction …
Lean premixed (LPM) combustion is very effective at mitigating emissions but is vulnerable
to strong thermoacoustic instabilities. A porous insert in the shape of an annular ring placed …
to strong thermoacoustic instabilities. A porous insert in the shape of an annular ring placed …
Prediction of a Swirl-Stabilized CH4/H2 Flame Structure Using Conditional Moment Closure Coupled with OpenFOAM
P Gaikwad, S Sreedhara - Energy & Fuels, 2020 - ACS Publications
A numerical study was performed to explicate the structure of non-premixed swirl-stabilized
CH4/H2 flames. Swirl-stabilized flames involve a highly complex interaction between …
CH4/H2 flames. Swirl-stabilized flames involve a highly complex interaction between …
[图书][B] Flame Diagnostics of Swirl Stabilized Combustion Without and With Porous Inert Media for Passive Mitigation of Thermo-Acoustic Instabilities
JC Allen - 2018 - search.proquest.com
Implementing the combustion strategy of lean premixed (LPM), gas turbines can significantly
reduce regulated emissions from the combustion process but are susceptible to …
reduce regulated emissions from the combustion process but are susceptible to …
Effect of preheating on flame structure of a swirl stabilized combustor with porous insert to control thermoacoustics
DL Depperschmidt, JA Kornegay… - … Expo: Power for …, 2016 - asmedigitalcollection.asme.org
Lean premixed (LPM) combustion is a common strategy in the turbine industry for power
generation to reduce emissions of nitric oxides and other pollutants. LPM combustion tends …
generation to reduce emissions of nitric oxides and other pollutants. LPM combustion tends …
Effect of Reactant Inlet Temperature on Passive Mitigation of Thermo-acoustic Instabilities by Implementation of 3D Additive Manufactured Metallic Porous Insert
J Kornegay, D Depperschmidt… - 54th AIAA Aerospace …, 2016 - arc.aiaa.org
Lean premixed (LPM) combustion, although very effective in reducing harmful emissions, is
susceptible to developing thermoacoustic instabilities which can negatively affect the …
susceptible to developing thermoacoustic instabilities which can negatively affect the …