Thermoacoustic instability is a flow instability that arises due to a two-way coupling between
acoustic waves and unsteady heat release rate. It can cause damaging, large-amplitude …

In this work, we develop a 2D numerical model of a Y-shaped bifurcating combustor with a
Helmholtz resonator attached. Propane (C 3 H 8) is fueled and burnt with air by applying …

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 …

Can-to-can acoustic interactions in a circumferential network of lean-premixed combustors
have a prominent role in the development of complicated modal dynamics and large-scale …

Thermoacoustic instabilities in can-annular combus-tors of stationary gas turbines lead to
unstable Bloch modes which appear as rotating acoustic pressure waves along the turbine …

The intrinsic thermoacoustic (ITA) feedbackloop constitutes a coupling between flow, flame
and acoustics that does not involve the natural acoustic modes of the system. One recent …

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 …

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 …

Thermoacoustic systems can exhibit self-excited instabilities of two nature, namely cavity
modes or intrinsic thermoacoustic (ITA) modes. In heavy-duty land-based gas turbines with …

Heavy-duty land-based gas turbines with can-annular combustors typically exhibit a set of
thermoacoustic modes with similar frequencies, due to their rotational symmetry and the …