The flame-acoustic interaction mechanisms which drive high-frequency thermoacoustic instabilities in reheat flames are investigated in this work. Reheat flames are present in sequentially-staged gas turbine combustion systems which are a key technology for a decarbonised energy infrastructure. The investigations presented in this thesis provide insight into the flame-acoustic coupling mechanisms present in reheat combustors to assist in the development of prediction and mitigation strategies for thermoacoustic instabilities in these combustion systems.     «

The flame-acoustic interaction mechanisms which drive high-frequency thermoacoustic instabilities in reheat flames are investigated in this work. Reheat flames are present in sequentially-staged gas turbine combustion systems which are a key technology for a decarbonised energy infrastructure. The investigations presented in this thesis provide insight into the flame-acoustic coupling mechanisms present in reheat combustors to assist in the development of prediction and mitigation strategies for...     »