...Mitchell Johnson; Ashley James; Ajay Agrawal Lean premixed (LPM) combustion is very effective at mitigating emissions but is vulnerable to strong thermoacoustic instabilities. A porous insert in the shape of an annular ring placed at the dump plane of the combustor has been proven...

... of the gas turbine failure by prediction, for given operating conditions, of the hazardous frequency at which the thermoacoustic instabilities appear. fluid-structure interaction thermoacoustic instabilities acoustics vibrations The lifetime of a typical gas turbine engine is mostly limited...