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 …

Reducing the footprint of greenhouse gases and nitrogen oxides (NOx) emissions from
combustion systems means that they have been operating under lean or ultra-lean fuel–air …

This paper presents recent progress in the field of thermoacoustic combustion instabilities in
propulsion engines such as rockets or gas turbines. Combustion instabilities have been …

Open-loop control of self-excited flame pulsating oscillations and thermo-acoustic instability
is considered in this work. The performance of the control strategy is numerically evaluated …

The thermoacoustic effect is a complicated occurrence that involves the mutual conversion
of sound and thermal energy. Thermoacoustic heat engines built on this effect have …

Conditions are examined under which acoustic modes of a chamber filled with hot
combustion products can be considered to be decoupled from the plenum acoustics …

Abstract Large-Eddy Simulation (LES) is combined with advanced System Identification (SI)
to simultaneously infer models for the source of combustion noise and the dynamic …

Acoustic absorption properties of perforated screens traversed by a bias flow and backed by
a resonant cavity are examined at a new absorption regime. The reflection coefficient of …

While lean combustion in gas turbines is known to reduce NOx, it makes combustors more
prone to thermo-acoustic instabilities, which can lead to deterioration in engine …

Combustion instability is one significant issue in the development of aero-engines and gas
turbines. In practical combustors, the exit boundary of the combustion chamber is complex …