[引用][C] Large eddy simulation of a thermoacoustic instability within a swirl-stabilized burner using impedance boundary conditions

JM Lourier, B Noll, M Aigner - … Expo: Power for …, 2014 - asmedigitalcollection.asme.org
A thermoacoustic instability observed within a lean swirl-stabilized burner is analyzed by
means of numerical calculations. As extension to previously reported numerical data for the …

Effect of wall thermal inertia upon transient thermoacoustic dynamics of a swirl-stabilized flame

G Bonciolini, D Ebi, U Doll, M Weilenmann… - Proceedings of the …, 2019 - Elsevier
This paper shows the importance of considering the thermal state of a combustor to
investigate or predict its thermoacoustic stability. This aspect is often neglected or regarded …

Coupling heat transfer and large eddy simulation for combustion instability prediction in a swirl burner

C Kraus, L Selle, T Poinsot - Combustion and Flame, 2018 - Elsevier
Large eddy simulations (LES) of combustion instabilities are often performed with simplified
thermal wall boundary conditions, typically adiabatic walls. However, wall temperatures …

Enhanced stability and reduced emissions in an elliptic swirl-stabilized burner

CO Paschereit, EJ Gutmark - AIAA journal, 2008 - arc.aiaa.org
Unstable thermoacoustic modes were studied and controlled passively by changing the
geometry of a swirlstabilized burner to an elliptic shape. The elliptic burner modified the …

Nonlinear instability analysis for partially premixed swirl flames

B Ćosić, JP Moeck, CO Paschereit - Combustion Science and …, 2014 - Taylor & Francis
Limit-cycle prediction of thermoacoustic instabilities for unstable practical gas turbine
combustion systems is still a challenge for the gas turbine industry. The nonlinear stability …

Experimental study of equivalence ratio and fuel flow rate effects on nonlinear thermoacoustic instability in a swirl combustor

H Zhao, G Li, D Zhao, Z Zhang, D Sun, W Yang, S Li… - Applied Energy, 2017 - Elsevier
Industrial combustion systems such as power generation gas turbines, rocket motors,
furnaces and boilers often face the problem of large-amplitude self-excited pressure …

Passive control of the inlet acoustic boundary of a swirled burner at high amplitude combustion instabilities

N Tran, S Ducruix, T Schuller - 2009 - asmedigitalcollection.asme.org
Perforated panels placed upstream of the premixing tube of a turbulent swirled burner are
investigated as a passive control solution for combustion instabilities. Perforated panels …

Acoustic Transfer Function in a Multi-duct System and Its Application for Closed-loop Instability Analysis

S Kim, D Kim - Journal of Propulsion and Energy, 2020 - dbpia.co.kr
We have developed a 1D thermoacoustic network model based on a transfer function
approach for predicting combustion instabilities in a multi-duct system. Two different …

Infrared measurements of thermoacoustic instabilities in a swirl-stabilized combustor

D Allgood, S Murugappan, S Acharya… - Combustion Science …, 2003 - Taylor & Francis
An experimental study of the pressure and temperature fluctuations associated with
thermoacoustic instabilities was performed on a 30-kW model gas turbine combustor. The …

High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors: Part Two—Modeling and Analysis

T Hummel, F Berger, M Hertweck… - … Expo: Power for …, 2016 - asmedigitalcollection.asme.org
This paper deals with high-frequency thermoacoustic instabilities in swirl-stabilized gas
turbine combustors. Driving mechanisms associated with periodic flame displacement and …