Volumetric emission tomography for combustion processes
This is a comprehensive, critical, and pedagogical review of volumetric emission
tomography for combustion processes. Many flames that are of interest to scientists and …
tomography for combustion processes. Many flames that are of interest to scientists and …
Sensitivity and nonlinearity of thermoacoustic oscillations
MP Juniper, RI Sujith - Annual Review of Fluid Mechanics, 2018 - annualreviews.org
Nine decades of rocket engine and gas turbine development have shown that
thermoacoustic oscillations are difficult to predict but can usually be eliminated with …
thermoacoustic oscillations are difficult to predict but can usually be eliminated with …
Dynamics of swirling flames
In many continuous combustion processes, such as those found in aeroengines or gas
turbines, the flame is stabilized by a swirling flow formed by aerodynamic swirlers. The …
turbines, the flame is stabilized by a swirling flow formed by aerodynamic swirlers. The …
Scaling and prediction of transfer functions in lean premixed H2/CH4-flames
Features of the flame transfer function (FTF) are characterized for turbulent, non-swirled,
bluff body stabilized “M” flames for different hydrogen and methane blends including pure …
bluff body stabilized “M” flames for different hydrogen and methane blends including pure …
System identification and impulse response of a methane-fuelled swirling thermoacoustic combustor
D Zhao - Thermal Science and Engineering Progress, 2023 - Elsevier
Self-excited combustion instabilities are characterized by large-amplitude limit cycle
oscillations of thermodynamic properties such as pressure, velocity and heat release. In …
oscillations of thermodynamic properties such as pressure, velocity and heat release. In …
Mixed acoustic–entropy combustion instabilities in gas turbines
A combustion instability in a combustor terminated by a nozzle is analysed and modelled
based on a low-order Helmholtz solver. A large eddy simulation (LES) of the corresponding …
based on a low-order Helmholtz solver. A large eddy simulation (LES) of the corresponding …
Interference mechanisms of acoustic/convective disturbances in a swirl-stabilized lean-premixed combustor
KT Kim, DA Santavicca - Combustion and Flame, 2013 - Elsevier
Interference mechanisms of acoustic/convective disturbances were experimentally
investigated in a swirl-stabilized lean-premixed gas turbine combustor operated with natural …
investigated in a swirl-stabilized lean-premixed gas turbine combustor operated with natural …
[HTML][HTML] Impact of H2-enrichment on the response of a partially premixed CH4–air flame to velocity and equivalence ratio fluctuations
The dynamics of hydrogen-enriched partially premixed methane–air flames are investigated,
focusing on the frequency response to velocity and equivalence ratio fluctuations. Large …
focusing on the frequency response to velocity and equivalence ratio fluctuations. Large …
Combustion instability characteristics via fuel nozzle modification in a hydrogen and natural gas Co-firing gas turbine combustor
In this study, three premixed swirl gas turbine nozzles with different fuel injection hole sizes
were designed to optimize combustion characteristics influenced by changes in the …
were designed to optimize combustion characteristics influenced by changes in the …
The nonlinear heat release response of stratified lean-premixed flames to acoustic velocity oscillations
KT Kim, S Hochgreb - Combustion and Flame, 2011 - Elsevier
This paper analyzes the forced response of swirl-stabilized lean-premixed flames to high-
amplitude acoustic forcing in a laboratory-scale stratified burner operated with CH4 and air …
amplitude acoustic forcing in a laboratory-scale stratified burner operated with CH4 and air …