Patent ID: 8607573

Claim:
A combustor comprising: a chamber mixing and burning fuel and air; an air hole plate disposed on a wall surface of the chamber, the air hole plate including a plurality of rows, disposed concentrically, each of a plurality of air holes jetting coaxial jets of fuel and air into the chamber; and a first fuel nozzle and a second fuel nozzle, each disposed near an air hole and jetting fuel into an air hole in an air hole row on an inner peripheral side of the air hole plate, the first fuel nozzle being structured to suppress turbulence of a surrounding air flow and the second fuel nozzle being structured to promote turbulence of a surrounding air flow, wherein, in at least one of first and second air hole rows on the inner peripheral side of the air hole plate, the first fuel nozzles and the second fuel nozzles are disposed one of irregularly and regularly in a circumferential direction of the air hole plate.