Control of self-excited thermoacoustic oscillations using transient forcing, hysteresis and mode switching
In many combustion devices, strong self-excited flow oscillations can arise from feedback
between unsteady heat release and acoustics, resulting in increased vibration and pollutant …
between unsteady heat release and acoustics, resulting in increased vibration and pollutant …
Combustion-acoustic interactions through cross-talk area between adjacent model gas turbine combustors
Longitudinal-mode combustion instabilities in can-annular gas turbine combustion systems
are influenced by acoustic interactions between adjacent combustors; these interactions …
are influenced by acoustic interactions between adjacent combustors; these interactions …
Experimental study of the effects of hydrogen addition on the thermoacoustic instability in a variable-length combustor
The current study examined the self-excited thermoacoustic instability of hydrogen/methane
premixed flames using a variable-length combustor (300–1100 mm). The global dynamic …
premixed flames using a variable-length combustor (300–1100 mm). The global dynamic …
Experimental investigation of combustion instability in a centrally staged combustor under self-excited oscillation conditions
This paper presents an experimental investigation of combustion instability and flame
dynamics in a laboratory-scale lean premixed prevaporized centrally staged combustor …
dynamics in a laboratory-scale lean premixed prevaporized centrally staged combustor …
Mutual synchronization of two flame-driven thermoacoustic oscillators: Dissipative and time-delayed coupling effects
Low-emissions can-annular gas turbines are prone to develop low-frequency self-excited
thermoacoustic oscillations. Such oscillations arise from the coupling between adjacent …
thermoacoustic oscillations. Such oscillations arise from the coupling between adjacent …
Characterization of nonlinear responses of non-premixed flames to low-frequency acoustic excitations
D Pan, C Ji, T Zhu - Applied Sciences, 2023 - mdpi.com
Featured Application Stable design of Combustor in industrial boiler and burner. Abstract
The response of flames' heat release to acoustic excitation is a critical factor for …
The response of flames' heat release to acoustic excitation is a critical factor for …
Chaos, synchronization, and desynchronization in a liquid-fueled diffusion-flame combustor with an intrinsic hydrodynamic mode
We experimentally investigate the nonlinear dynamics of a thermoacoustically self-excited
aero-engine combustion system featuring a turbulent swirling liquid-fueled diffusion flame in …
aero-engine combustion system featuring a turbulent swirling liquid-fueled diffusion flame in …
Inlet temperature driven supercritical bifurcation of combustion instabilities in a lean premixed prevaporized combustor
The present article reports experimental observation and analyses of a supercritical
bifurcation of combustion instabilities triggered by the air inlet temperature (T a). The studies …
bifurcation of combustion instabilities triggered by the air inlet temperature (T a). The studies …
A new modeling method to estimate the heat transfer characteristics of supercritical aviation kerosene RP-3 with pyrolysis
The heat transfer mechanism of hydrocarbon fuels is important for designing cooling
structures for hypersonic craft. This study investigated the supercritical heat transfer …
structures for hypersonic craft. This study investigated the supercritical heat transfer …
The effect of inlet boundaries on combustion instability in a pressure-elevated combustor
The effect of inlet boundaries on combustion instabilities in a spray combustor is
investigated experimentally in this paper. The combustor is operated at pressure-elevated …
investigated experimentally in this paper. The combustor is operated at pressure-elevated …