Low-order modeling of can-annular combustors

GJJ Fournier, M Meindl, CF Silva… - … for Gas Turbines …, 2021 - asmedigitalcollection.asme.org
Heavy-duty land-based gas turbines are often designed with can-annular combustors, which
consist of a set of identical cans, acoustically connected on the upstream side via the …

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 …

Thermo-acoustic cross-talk between cans in a can-annular combustor

F Farisco, L Panek, JBW Kok - International journal of spray …, 2017 - journals.sagepub.com
Thermo-acoustic instabilities in gas turbine engines are studied to avoid engine failure.
Compared to the engines with annular combustors, the can-annular combustor design …

[HTML][HTML] Reduced-order modelling of thermoacoustic instabilities in can-annular combustors

A Orchini, T Pedergnana, PE Buschmann… - Journal of Sound and …, 2022 - Elsevier
Thermoacoustic instabilities in stationary gas turbines may cause high-amplitude limit
cycles, leading to damaged components and costly down-time. To better understand the …

Effect of noise and nonlinearities on thermoacoustics of can-annular combustors

G Ghirardo, JP Moeck… - … of Engineering for …, 2020 - asmedigitalcollection.asme.org
Can-annular combustors consist of N distinct cans setup symmetrically around the axis of
the gas turbine. Each can is connected to the turbine inlet by means of a transition duct. At …

Pressurized infusion: A new and improved liquid composite molding process

M Akif Yalcinkaya, GE Guloglu… - Journal of …, 2019 - asmedigitalcollection.asme.org
Vacuum-assisted resin transfer molding (VARTM) has several inherent shortcomings such
as long mold filling times, low fiber volume fraction, and high void content in fabricated …

Thermoacoustics and combustion instability analysis for multi-burner combustors

M Yoon - Journal of Sound and Vibration, 2021 - Elsevier
This paper presents a low-order thermoacoustic model for multi-burner combustors and
proposes a control theoretic approach to linear combustion instability analysis in frequency …

A non-compact effective impedance model for can-to-can acoustic communication: analysis and optimization of damping mechanisms

JGR von Saldern, A Orchini… - … of Engineering for …, 2021 - asmedigitalcollection.asme.org
Can-annular combustors can feature azimuthal instabilities even if the acoustic coupling
between the individual cans is weak. Recently, various studies have focused on modeling …

Acoustics of can-annular combustors: Experimental characterisation and modelling of a lab-scale multi-can setup with adjustable geometry

SC Humbert, A Orchini - Journal of Sound and Vibration, 2023 - Elsevier
In can-annular combustors, a narrow can-turbine junction leads to an acoustic coupling
between the cans, yielding unique features that greatly impact the (thermo) acoustic …

A strategy to tune acoustic terminations of single-can test-rigs to mimic thermoacoustic behavior of a full engine

M Haeringer, GJJ Fournier… - … of Engineering for …, 2021 - asmedigitalcollection.asme.org
Thermoacoustic properties of can-annular combustors are commonly investigated by means
of single-can test-rigs. To obtain representative results, it is crucial to mimic can–can …