This study investigates the effect of partial acoustic reflection at inlet or outlet of a combustor
on thermoacoustic stability. Parametric maps of the thermoacoustic spectrum are utilized for …

It may be generally believed that the thermoacoustic eigenfrequencies of a combustor with
fully acoustically reflecting boundary conditions depend on both flame dynamics and …

This paper presents a finite element methodology to predict the thermoacoustic eigenmodes
of combustion chambers using the linearized Navier-Stokes equations (LNSE) in frequency …

This work investigates the effects of a moving flame front on the thermoacoustic oscillations
in nonuniform combustors considering both the cavity and intrinsic resonant feedbacks. This …

The hybrid computational fluid dynamics/computational aeroacoustics (CFD/CAA) approach
represents an effective method to assess the stability of noncompact thermoacoustic …

The self-induced thermoacoustic instabilities in partially premixed combustors remain a
significant challenge which has received a limited research attention. This numerical work …

Self-excited spinning mode azimuthal instability in an annular combustor with non-swirling
flow is investigated using large eddy simulation (LES). Compressible Navier–Stokes …

Thermoacoustic instability is a phenomenon that occurs in numerous combustion systems,
from rockets to land based gas turbines. The resulting acoustic oscillations can result in …

Thermoacoustic combustion instabilities affect modern gas turbines equipped with lean
premixed dry low emission combustion systems. A hybrid technique based on the use of the …

The energy market is currently experiencing a revolution, driven by a need to reduce
emissions in order to address the societal challenge of climate change. Although renewable …