A review of acoustic dampers applied to combustion chambers in aerospace industry
D Zhao, XY Li - Progress in Aerospace Sciences, 2015 - Elsevier
In engine combustion systems such as rockets, aero-engines and gas turbines, pressure
fluctuations are always present, even during normal operation. One of design prerequisites …
fluctuations are always present, even during normal operation. One of design prerequisites …
Large-eddy simulations of self-excited thermoacoustic instability in a premixed swirling combustor with an outlet nozzle
Y Sun, D Zhao, C Ji, T Zhu, Z Rao, B Wang - Physics of Fluids, 2022 - pubs.aip.org
Reducing the footprint of greenhouse gases and nitrogen oxides (NOx) emissions from
combustion systems means that they have been operating under lean or ultra-lean fuel–air …
combustion systems means that they have been operating under lean or ultra-lean fuel–air …
A unified framework for nonlinear combustion instability analysis based on the flame describing function
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 …
observations of these processes are carried out in the nonlinear regime where the system …
Review of novel combustion techniques for clean power production in gas turbines
The tremendous increase in energy demand due to increased population and rapid
economics results in an increased level of atmospheric pollutants and global warming. The …
economics results in an increased level of atmospheric pollutants and global warming. The …
Intrinsic thermoacoustic instability of premixed flames
The thermoacoustic stability of velocity sensitive premixed flames is investigated. A causal
representation of the flow-flame-acoustic interactions reveals a flame-intrinsic feedback …
representation of the flow-flame-acoustic interactions reveals a flame-intrinsic feedback …
Stabilization and Dynamic of Premixed Swirling Flames: Prevaporized, Stratified, Partially, and Fully Premixed Regimes
P Palies - 2020 - books.google.com
Stabilization and Dynamic of Premixed Swirling Flames: Prevaporized, Stratified, Partially,
and Fully Premixed Regimes focuses on swirling flames in various premixed modes …
and Fully Premixed Regimes focuses on swirling flames in various premixed modes …
A comprehensive investigation of LSTM-CNN deep learning model for fast detection of combustion instability
Z Lyu, X Jia, Y Yang, K Hu, F Zhang, G Wang - Fuel, 2021 - Elsevier
In this paper, we propose a deep learning model to detect combustion instability using high-
speed flame image sequences. The detection model combines Convolutional Neural …
speed flame image sequences. The detection model combines Convolutional Neural …
[HTML][HTML] A novel method for stable thermoacoustic system design based on exceptional points-Part II: Application to laminar and turbulent flame configurations
M Casel, A Ghani - Combustion and Flame, 2024 - Elsevier
In this paper, we apply the novel EPTD (Exceptional Point-based Thermoacoustic Design)-
method derived in part I of this study (M. Casel & A. Ghani, Combust. Flame, 2024) to two lab …
method derived in part I of this study (M. Casel & A. Ghani, Combust. Flame, 2024) to two lab …
Rayleigh criterion and acoustic energy balance in unconfined self-sustained oscillating flames
Instabilities of confined combustion systems are often discussed in terms of the Rayleigh
criterion, which provides a necessary condition for unstable operation and is commonly …
criterion, which provides a necessary condition for unstable operation and is commonly …
Thermal versus acoustic response of velocity sensitive premixed flames
Premixed flames respond to velocity perturbations with fluctuations in heat release rate
(“thermal response”), which in turn generate acoustic perturbations (“acoustic response”) …
(“thermal response”), which in turn generate acoustic perturbations (“acoustic response”) …