Large eddy simulations of gaseous flames in gas turbine combustion chambers

LYM Gicquel, G Staffelbach, T Poinsot - Progress in energy and combustion …, 2012 - Elsevier
Recent developments in numerical schemes, turbulent combustion models and the regular
increase of computing power allow Large Eddy Simulation (LES) to be applied to real …

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 …

Large-Eddy Simulation and experimental study of cycle-to-cycle variations of stable and unstable operating points in a spark ignition engine

V Granet, O Vermorel, C Lacour, B Enaux, V Dugué… - Combustion and …, 2012 - Elsevier
This article presents a comparison between experiments and Large-Eddy Simulation (LES)
of a spark ignition engine on two operating points: a stable one characterized by low cycle-to …

LES study of cycle-to-cycle variations in a spark ignition engine

B Enaux, V Granet, O Vermorel, C Lacour… - Proceedings of the …, 2011 - Elsevier
Multi-cycle Large Eddy Simulation (LES) of flow and combustion in a single cylinder engine
set-up are presented in order to validate the ability of this technique to reproduce cyclic …

Large eddy simulations of spray combustion instability in an aero-engine combustor at elevated temperature and pressure

Y Cheng, T Jin, K Luo, Z Li, H Wang, J Fan - Aerospace Science and …, 2021 - Elsevier
Large eddy simulations (LES) of self-excited spray combustion instability in an aero-engine
combustor are performed to investigate the mechanisms of combustion instability. Three …

A review of bias flow liners for acoustic damping in gas turbine combustors

C Lahiri, F Bake - Journal of Sound and Vibration, 2017 - Elsevier
The optimized design of bias flow liner is a key element for the development of low emission
combustion systems in modern gas turbines and aero-engines. The research of bias flow …

A frequency domain linearized Navier–Stokes equations approach to acoustic propagation in flow ducts with sharp edges

A Kierkegaard, S Boij, G Efraimsson - The Journal of the Acoustical …, 2010 - pubs.aip.org
Acoustic wave propagation in flow ducts is commonly modeled with time-domain non-linear
Navier–Stokes equation methodologies. To reduce computational effort, investigations of a …

Experimental investigation of geometric shape effect of coupled Helmholtz resonators on aeroacoustics damping performances in presence of low grazing flow

D Zhao, C Ji, M Yin - Aerospace Science and Technology, 2022 - Elsevier
Helmholtz resonators are widely used as acoustic dampers to mitigate noise in gas turbines
and automotive exhaust systems. In order to increase the damping performance and …

Numerical investigation of aeroacoustics damping performance of a Helmholtz resonator: Effects of geometry, grazing and bias flow

G Wu, Z Lu, X Xu, W Pan, W Wu, J Li, J Ci - Aerospace Science and …, 2019 - Elsevier
In this work, the effects of the grazing flow and its geometric dimensions on the
aeroacoustics damping performance of a Helmholtz resonator are numerically evaluated …

Numerical and experimental investigation of the acoustic damping effect of single-layer perforated liners with joint bias-grazing flow

D Zhao, L Ang, CZ Ji - Journal of Sound and Vibration, 2015 - Elsevier
As one of the most commonly used acoustic dampers, perforated liners are receiving wide
spread interest for reducing engine noise and stabilizing combustion systems. Generally …