Experimental investigation of limit-cycle oscillations in an unstable gas turbine combustor

TC Lieuwen - Journal of propulsion and power, 2002 - arc.aiaa.org
THE occurrence of detrimental instabilities in lean, premixed combustors continues to hinder
the development of modern gas turbines. 1¡ 3 These instabilities arise from interactions …

System identification and early warning detection of thermoacoustic oscillations in a turbulent combustor using its noise-induced dynamics

M Lee, KT Kim, V Gupta, LKB Li - Proceedings of the Combustion Institute, 2021 - Elsevier
Despite significant research, self-excited thermoacoustic oscillations continue to hinder the
development of lean-premixed gas turbines, making the early detection of such oscillations …

Statistical characteristics of pressure oscillations in a premixed combustor

TC Lieuwen - Journal of Sound and Vibration, 2003 - Elsevier
This paper describes an investigation of the statistical characteristics of self-excited and
noise-driven pressure oscillations in a premixed combustor. This work was motivated by …

Nonlinear dynamics of combustor azimuthal modes: Experiments and modeling

J Kim, T John, S Adhikari, D Wu, B Emerson… - Combustion and …, 2022 - Elsevier
This paper provides an experimental and theoretical investigation of azimuthal instabilities
in a lean, premixed combustor. It presents data from a high Reynolds number, industrial …

Turbulence-induced noise effects on high-frequency combustion instabilities

P Clavin, JS Kim, FA Williams - Combustion Science and …, 1994 - Taylor & Francis
A statistical approach is introduced for describing influences of turbulence on high-
frequency combustion instability in liquid-propellent rocket motors. The Rayleigh criterion is …

Combustion instabilities in propulsion systems

FEC Culick - Unsteady combustion, 1996 - Springer
The purpose of this paper is to give a broad overview of the field of combustion instabilities
in propulsion systems. Virtually all of the material included here has appeared elsewhere …

Rate-dependent bifurcation dodging in a thermoacoustic system driven by colored noise

X Zhang, Y Xu, Q Liu, J Kurths, C Grebogi - Nonlinear Dynamics, 2021 - Springer
Tipping in multistable systems occurs usually by varying the input slightly, resulting in the
output switching to an often unsatisfactory state. This phenomenon is manifested in …

Effect of colored noise on precursors of thermoacoustic instability in model gas turbine combustors

N Vishnoi, V Gupta, A Saurabh… - International Journal of …, 2024 - journals.sagepub.com
In this work, we numerically investigate the dynamics of a prototypical thermoacoustic
system, the generalized Van der Pol oscillator, in the presence of additive noise of varying …

A review on noise-induced dynamics of thermoacoustic systems

L Kabiraj, N Vishnoi, A Saurabh - Dynamics and Control of Energy …, 2020 - Springer
Practical combustion systems such as gas turbine combustors, rocket engines, industrial
furnaces, and boilers are essentially thermoacoustic oscillators involving acoustic energy …

Effect of background noise characteristics on early warning indicators of thermoacoustic instability

N Vishnoi, L Kabiraj - Combustion and Flame, 2024 - Elsevier
In this work, we investigate the effects of background noise characteristics—specifically
noise color (or correlation time) and intensity—arising from velocity-coupled and additive …