Interaction among flame structures and thermoacoustic instabilities in a centrally staged combustor
P Fu, Q Wen, L Hou, J Li, H Ma - Applied Thermal Engineering, 2024 - Elsevier
The centrally staged combustor is an effective way to reduce pollutant emissions. However,
combustion instability is one of the prominent and unavoidable problems for lean premixed …
combustion instability is one of the prominent and unavoidable problems for lean premixed …
Learning thermoacoustic interactions in combustors using a physics-informed neural network
Many gas turbine and rocket engines exhibit unwanted combustion instability at the
experimental testing phase. Instability leads to large amplitude pressure oscillations and …
experimental testing phase. Instability leads to large amplitude pressure oscillations and …
The effect of diverging angle on flame dynamics of near lean blowout in a centrally staged spray combustor
This article focuses on the effect of diverging angle of the pilot stage on swirl spray flame
dynamics near lean blowout conditions in a centrally staged lean premixed pre-vaporized …
dynamics near lean blowout conditions in a centrally staged lean premixed pre-vaporized …
Dynamic behavior and driving region of spray combustion instability in a backward-facing step combustor
K Kato, H Hashiba, J Nagao, H Gotoda, Y Nabae… - Physical Review E, 2024 - APS
We numerically study the dynamic behavior and driving region of spray combustion
instability in a backward-facing step combustor using analytical methodologies based on …
instability in a backward-facing step combustor using analytical methodologies based on …
Injection height impact on combustion instability in a centrally staged combustor
Centrally staged lean premixed pre-vaporized (LPP) combustors are widely applied in
aeroengines to reduce pollutant emissions. However, combustion instability represents a …
aeroengines to reduce pollutant emissions. However, combustion instability represents a …
Influence of swirl intensity on combustion dynamics and emissions in an ammonia-enriched methane/air combustor
Ammonia (NH 3) has been widely considered as a promising carbon-free energy and
hydrogen carrier for various applications. The large-scale direct utilization of NH 3 as fuel in …
hydrogen carrier for various applications. The large-scale direct utilization of NH 3 as fuel in …
Measurement of jet gas–liquid interface fluctuations based on ultrasonic scattering
X Liu, X Yu, X Yu, H Zhou, S Zhang, J Li, L Yang - Physics of Fluids, 2024 - pubs.aip.org
Aero-engines and rocket engines regularly experience unstable combustion phenomena. In
order to reveal the complex mechanism, it is necessary to measure the jet gas–liquid …
order to reveal the complex mechanism, it is necessary to measure the jet gas–liquid …
Flame structure transition and instability excitation by pilot fuel in a centrally staged combustor
P Fu, S Li, L Hou, Q Wen, J Li, H Ma - Physics of Fluids, 2025 - pubs.aip.org
The pilot stage plays a crucial role in central-staged combustion technology. This study
aimed to investigate the impact of the jet-type pilot stage on the flame structure and …
aimed to investigate the impact of the jet-type pilot stage on the flame structure and …
Comparisons between the disturbances in chemiluminescence and heat release rate from acoustically perturbed partially premixed and diffusion flames
X Liang, Z Wang, L Ji, L Yang, J Li - Physics of Fluids, 2024 - pubs.aip.org
Heat release rate is a critical parameter in the combustion process, yet its quantification can
be challenging to obtain experimentally. In this study, an acoustical measurement system …
be challenging to obtain experimentally. In this study, an acoustical measurement system …
Research on a new pressure pulsator
S Yong, G Wu-Qi - Physics of Fluids, 2024 - pubs.aip.org
Pulsators are widely used to study the dynamic characteristics of liquid flow components.
However, it is difficult to adapt the existing actuators to the excitation requirements under …
However, it is difficult to adapt the existing actuators to the excitation requirements under …