Nonlinear analysis and modelling of combustion instabilities in a laboratory combustor

JD Sterling - Combustion Science and Technology, 1993 - Taylor & Francis
The spectra of pressure oscillations in combustion chambers often contain large peaks at
frequencies corresponding to chamber acoustic modes. Pulsed combustors are designed to …

Triggering of longitudinal pressure oscillations in combustion chambers. i: Nonlinear gasdynamics

V Yang, SI Kim, FEC CULICK - Combustion Science and …, 1990 - Taylor & Francis
Based on spatial and temporal averaging of the conservation equations, an approximate
analysis provides a convenient vehicle for analyzing the nonlinear behavior of unsteady …

Nonlinear dynamics of laboratory combustor pressure oscillations

JD Sterling, EE Zukoski - Combustion science and technology, 1991 - Taylor & Francis
The mechanisms responsible for driving and damping of pressure oscillations in a
laboratory combustor have been investigated. The chamber contains a turbulent …

Numerical simulation of self-excited combustion oscillations in a non-premixed burner

CC Hantschk, D Vortmeyer - Combustion science and technology, 2002 - Taylor & Francis
Self-excited combustion oscillations or instabilities in combustion chambers are generated
by periodical and feedback interactions between flow, acoustics, and the heat released by …

A unified framework for nonlinear combustion instability analysis based on the flame describing function

N Noiray, D Durox, T Schuller… - Journal of Fluid Mechanics, 2008 - cambridge.org
Analysis of combustion instabilities relies in most cases on linear analysis but most
observations of these processes are carried out in the nonlinear regime where the system …

Nonlinear interactions between forced and self-excited acoustic oscillations in premixed combustor

BD Bellows, A Hreiz, T Lieuwen - Journal of propulsion and power, 2008 - arc.aiaa.org
THIS note describes an investigation of the nonlinear interactions between natural acoustic
modes and forced oscillations in an unstable combustor. Such instabilities are a serious …

Phase drift characteristics of self-excited, combustion-driven oscillations

TC Lieuwen - Journal of sound and vibration, 2001 - Elsevier
This paper describes an experimental characterization of the phase drift characteristics of
the oscillating pressure in an unstable combustor. It is shown that the phase continuously …

Active control of nonlinear pressure oscillations in combustion chambers

YT Fung, V Yang - Journal of Propulsion and Power, 1992 - arc.aiaa.org
COMBUSTION instabilities have plagued the develop-ment of propulsion systems for many
years. While conventional instability-suppression devices have reached their design limits in …

Chaos in thermal pulse combustion

CS Daw, JF Thomas, GA Richards… - … Journal of Nonlinear …, 1995 - pubs.aip.org
An experimental thermal pulse combustor and a differential equation model of this device
are shown to exhibit chaotic behavior under certain conditions. Chaos arises in the model by …

On the existence and stability of limit cycles. for longitudinal acoustic modes in a combustion chamber

E Awad, FEC Culick - Combustion Science and Technology, 1986 - Taylor & Francis
Unsteady motions in combustion chambers have previously been treated with an
approximate analysis in which an acoustic field is represented as a collection of coupled …