Nonlinear pressure-heat release transfer function measurements in a premixed combustor

T Lieuwen, Y Neumeier - Proceedings of the Combustion Institute, 2002 - Elsevier
This paper describes an experimental study of the response of a premixed combustion
process to imposed pressure oscillations. These data were obtained to improve current …

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 …

The effect of variable fuel staging transients on self-excited instabilities in a multiple-nozzle combustor

W Culler, X Chen, J Samarasinghe, S Peluso… - Combustion and …, 2018 - Elsevier
Combustion instability in gas turbine engines is often mitigated using fuel staging. Fuel
staging, sometimes referred to as fuel splitting, is a strategy by which fuel is unevenly …

The role of equivalence ratio oscillations in driving combustion instabilities in low NOx gas turbines

T Lieuwen, BT Zinn - Symposium (International) on combustion, 1998 - Elsevier
This paper presents a theoretical investigation of combustion instabilities in low NOX gas
turbines (LNGT) that burn fuel in a lean premixed mode. It is shown that these instabilities …

A mechanism of combustion instability in lean premixed gas turbine combustors

T Lieuwen, H Torres, C Johnson… - J. Eng. Gas …, 2001 - asmedigitalcollection.asme.org
There has been increased demand in recent years for gas turbines that operate in a lean,
premixed (LP) mode of combustion in an effort to meet stringent emissions goals …

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 …

Laminar premixed flame response to equivalence ratio oscillations

JH Cho, T Lieuwen - Combustion and flame, 2005 - Elsevier
Self-excited oscillations in low emission, premixed combustion systems are often caused by
feedback between unsteady heat release rates and reactive mixture equivalence ratio …

Measurement of air-fuel ratio fluctuations caused by combustor driven oscillations

R Mongia, R Dibble, J Lovett - … Expo: Power for …, 1998 - asmedigitalcollection.asme.org
Lean premixed combustion has emerged as a method of achieving low pollutant emissions
from gas turbines. A common problem of lean premixed combustion is combustion …

A mechanism of combustion instability in lean premixed gas turbine combustors

T Lieuwen, H Torres, C Johnson… - … Expo: Power for …, 1999 - asmedigitalcollection.asme.org
There has been increased demand in recent years for gas turbines that operate in a lean,
premixed (LP) mode of combustion in an effort to meet stringent emissions goals …

The role of unmixedness and chemical kinetics in driving combustion instabilities in lean premixed combustors

T Lieuwen, Y Neumeier, BT Zinn - Combustion Science and …, 1998 - Taylor & Francis
This paper presents the results of a study of the potential causes of frequently observed
combustion instabilities in low NOx gas turbines (LNGT) that burn gaseous fuels in a …