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 …
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 …
Supercritical bifurcations and nonlinear mode interactions of combustion instabilities in a centrally-staged swirl spray combustor
Centrally-staged combustors, characterized by a center pilot flame surrounded by an annual
main stage flame, are widely used in modern aeroengines to achieve low NO x emissions …
main stage flame, are widely used in modern aeroengines to achieve low NO x emissions …
Understanding the heat release fluctuations and combustion noise characteristics of non-premixed co/counter-swirl syngas flames at MILD conditions
A Dolai, RV Ravikrishna - Fuel, 2024 - Elsevier
The heat release fluctuations and combustion noise of co/counter-swirl non-premixed
syngas (mixture of CO and H 2) and air flames at moderate or intense low-oxygen dilution …
syngas (mixture of CO and H 2) and air flames at moderate or intense low-oxygen dilution …
Large eddy simulation of non-premixed flame behavior and NOx emission characteristics in a staged combustor with multi-swirling flows
T Zhou, F Li - Applied Thermal Engineering, 2024 - Elsevier
Abstract This study utilizes Large Eddy Simulation (LES) to investigate flame characteristics
and NOx emission generation in a concentric staged combustor with three distinct pilot …
and NOx emission generation in a concentric staged combustor with three distinct pilot …
Influence of momentum ratio on heat release rate and noise of co/counter-swirl non-premixed diluted CO/H2 flames
A Dolai, RV Ravikrishna - Experimental Thermal and Fluid Science, 2025 - Elsevier
Understanding co/counter-swirl or twin-swirl flames remains challenging due to the complex
interaction of two swirling streams. In the present study, we investigate the heat release …
interaction of two swirling streams. In the present study, we investigate the heat release …
Attenuation of thermoacoustic instabilities in a swirl-stabilized NH3–CH4–air combustor with secondary air injection
Abstract Ammonia–methane (NH3–CH4) mixtures have potentials to serve as low-carbon
fuels for gas turbines. Recent studies demonstrated that secondary air injection was an …
fuels for gas turbines. Recent studies demonstrated that secondary air injection was an …
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 …
Experimental Observation of the Turbulent Jet Ignition for Extending the Lean Combustion Tolerance with Carbon Dioxide Diluted Mixture
ABSTRACT Exhaust Gas Recirculation (EGR) technology is widely employed to reduce NOx
emissions from engine combustion, and a major challenge of this technology is to achieve …
emissions from engine combustion, and a major challenge of this technology is to achieve …
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 …