Practical active control system for combustion oscillations
PJ Langhorne, AP Dowling, N Hooper - Journal of Propulsion and …, 1990 - arc.aiaa.org
WHEN combustion takes place within an acoustic res-onator, the interaction between
acoustic waves and unsteady combustion may lead to oscillations of damaging intensity …
acoustic waves and unsteady combustion may lead to oscillations of damaging intensity …
Active control of unsteady combustion-induced oscillations
A Gulati, R Mani - Journal of Propulsion and Power, 1992 - arc.aiaa.org
MOST aircraft engines, afterburners, and land-based gas and liquid-fired combustors under
some operating conditions exhibit combustion-induced instability of one form or the other …
some operating conditions exhibit combustion-induced instability of one form or the other …
Feedback control of combustion oscillations
AP Dowling, AS Morgans - Annu. Rev. Fluid Mech., 2005 - annualreviews.org
▪ Abstract Early work and recent advances in feedback control of combustion oscillations are
described. The physics of combustion oscillations, most commonly caused by a coupling …
described. The physics of combustion oscillations, most commonly caused by a coupling …
A review of active control of combustion instabilities
Combustion instabilities in modern high-performance propulsion systems are often
manifested as large amplitude pressure oscillations and can result in serious performance …
manifested as large amplitude pressure oscillations and can result in serious performance …
State-feedback control of longitudinal combustion instabilities
THE desire to advance propulsion technology has led to efforts to control and optimize
various operating characteristics of combustion systems. Principal among these is the …
various operating characteristics of combustion systems. Principal among these is the …
Suppression of combustion instabilities by active control
The principle of" antisound" is applied to define a method for the suppression of combustion
instabilities. This active instability control (AIC) method uses external acoustic excitation by a …
instabilities. This active instability control (AIC) method uses external acoustic excitation by a …
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 …
years. While conventional instability-suppression devices have reached their design limits in …
Active control of an acoustically driven combustion instability
GJ Bloxsidge, AP Dowling, N Hooper… - Journal de …, 1987 - ui.adsabs.harvard.edu
A low-frequency combustion instability has been successfully controlled on a laboratory rig
with significant mean flow and about 250 kW of mean heat released. The control was …
with significant mean flow and about 250 kW of mean heat released. The control was …
Active control of reheat buzz
GJ Bloxsidge, AP Dowling, N Hooper, PJ Langhorne - AIAA journal, 1988 - arc.aiaa.org
Reheat buzz is a low-frequency combustion instability involving the propagation of
longitudinal pressure waves inside a duct in which a flame is anchored. Active control has …
longitudinal pressure waves inside a duct in which a flame is anchored. Active control has …
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 …
modes and forced oscillations in an unstable combustor. Such instabilities are a serious …