COMBUSTION-DRIVEN pressure and heat-release oscilla-tions, or thermoacoustic
instabilities, are a major problem in low-emission gas-turbine engines [1–4]. These …

Unstable thermoacoustic modes were investigated and controlled in an experimental low-
emission swirl stabilized combustor, in which the acoustic boundary conditions were modi …

Thermoacoustic instability was investigated and controlled in an experimental low-emission
swirl stabilized combustor, in which the acoustic boundary conditions were modified to …

Unstable thermoacoustic modes were investigated and controlled in an experimental low-
emission swirlstabilized combustor. Axisymmetric and helical unstable modes were identi ed …

Combustion instabilities are frequently encountered in gas turbine engines. The main
physical mechanism that leads to combustion instability is thermoacoustic coupling, where …

RECENT efforts to improve power and propulsion systems are mostly directed toward
cleaner and more environmentally friendly power generation. Emissions legislation has …

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 …

Unstable thermoacoustic modes were investigated and controlled in an experimental low-
emission swirl-stabilized combustor, in which the acoustic boundary conditions were …

Thermoacoustic combustion instability is one of the most challenging operational issues in
several high-performance, low-emissions combustion technologies, including gas turbines …

Increasing efficiency and lowering NOx emissions are the main goals of modern gas-turbine
development. Prevention of thermo-acoustic instabilities is an important design requirement …