Linear flow analysis inspired by mathematical methods from quantum mechanics
Since its birth in the 1920s, quantum mechanics has motivated and advanced the analysis of
linear operators. In this effort, it significantly contributed to the development of sophisticated …
linear operators. In this effort, it significantly contributed to the development of sophisticated …
[HTML][HTML] Low order modelling of thermoacoustic instabilities and intermittency: flame response delay and nonlinearity
G Bonciolini, A Faure-Beaulieu, C Bourquard… - Combustion and …, 2021 - Elsevier
This paper investigates the simplifying assumptions used for deriving low order models of
thermoacoustic instabilities and thermoacoustic intermittency in turbulent combustor. These …
thermoacoustic instabilities and thermoacoustic intermittency in turbulent combustor. These …
Flame describing function analysis of spinning and standing modes in an annular combustor and comparison with experiments
This article reports a numerical analysis of combustion instabilities coupled by a spinning
mode or a standing mode in an annular combustor. The method combines an iterative …
mode or a standing mode in an annular combustor. The method combines an iterative …
A method to identify thermoacoustic growth rates in combustion chambers from dynamic pressure time series
N Noiray, A Denisov - Proceedings of the Combustion Institute, 2017 - Elsevier
The stochastic nature of combustion instabilities in practical land-based gas turbines and
aeroengines combustors has seldom been investigated. It is shown here that a wealth of …
aeroengines combustors has seldom been investigated. It is shown here that a wealth of …
Thermoacoustics of can-annular combustors
G Ghirardo, C Di Giovine… - … of Engineering for …, 2019 - asmedigitalcollection.asme.org
Can-annular combustors consist of a set of independent cans, connected on the upstream
side to the combustor plenum and on the downstream side to the turbine inlet, where a …
side to the combustor plenum and on the downstream side to the turbine inlet, where a …
Dynamics and mechanisms of pressure, heat release rate, and fuel spray coupling during intermittent thermoacoustic oscillations in a model aeronautical combustor at …
S Kheirkhah, JDM Cirtwill, P Saini, K Venkatesan… - Combustion and …, 2017 - Elsevier
Dynamics of thermoacoustics oscillations occurring in a liquid fueled aeronautical gas
turbine model combustor burning Jet A fuel were investigated experimentally at a pressure …
turbine model combustor burning Jet A fuel were investigated experimentally at a pressure …
Thermoacoustic modes of intrinsic and acoustic origin and their interplay with exceptional points
We propose a general classification of all the modes of a given thermoacoustic system into
two sets: one of acoustic origin and one of intrinsic thermoacoustic (ITA) origin. To do this …
two sets: one of acoustic origin and one of intrinsic thermoacoustic (ITA) origin. To do this …
Weakly nonlinear analysis of thermoacoustic instabilities in annular combustors
Rotationally symmetric annular combustors are of practical importance because they
generically resemble combustion chambers in gas turbines, in which thermoacoustically …
generically resemble combustion chambers in gas turbines, in which thermoacoustically …
Effect of equivalence ratio on the modal dynamics of azimuthal combustion instabilities
The present paper investigates the effect of equivalence ratio on the modal dynamics of self-
excited azimuthal combustion instabilities in a laboratory-scale annular combustor. It is …
excited azimuthal combustion instabilities in a laboratory-scale annular combustor. It is …
High-frequency hydrogen combustion dynamics driven by local flame displacement and multidimensional thermoacoustic interactions
Abstract Knowledge of the underlying physical mechanisms responsible for the triggering of
high-frequency transverse combustion dynamics is of fundamental importance in the …
high-frequency transverse combustion dynamics is of fundamental importance in the …